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Lily M, Lv X, Chandra AK, Tsona Tchinda N, Du L. New insights into the mechanism and kinetics of the addition reaction of unsaturated Criegee intermediates to CF 3COOH and tropospheric implications. ENVIRONMENTAL SCIENCE. PROCESSES & IMPACTS 2024; 26:751-764. [PMID: 38465670 DOI: 10.1039/d3em00554b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/12/2024]
Abstract
In this work, we have investigated the mechanism, thermochemistry and kinetics of the reaction of syn-cis-CH2RzCRyCO+O- (where Rz, Ry = H, CH3-) unsaturated Criegee intermediates (CIs) with CF3COOH using quantum chemical methods. The rate coefficients for the barrierless reactions were calculated using variable reaction coordinate variational transition state theory (VRC-VTST). For the syn-cis-CH2RzCRyCO+O- conformation in which conjugated CC and CO double bonds are aligned with each other, we propose a new pathway for the unidirectional addition of an OC-OH molecule (CF3COOH) to the CC double bond of syn-cis-CH2RzCRyCO+O-. The rate coefficient for the 1,4-CC addition reaction at 298 K is ∼10-10 to 10-11 cm3 s-1, resulting in the formation of CF3C(O)OCH2CRzRyCOOH trifluoroacetate alkyl allyl hydroperoxide (TFAAAH) as a new transitory adduct. It can act as a precursor for the formation of secondary organic aerosols (SOAs). This novel TFAAAH hydroperoxide was identified through a detailed quantum chemical study of the 1,4-addition mechanism and will provide new insights into the significance of the 1,4-addition reaction of unsaturated Cls with trace tropospheric gases on -CRzCH2 vinyl carbon atoms.
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Affiliation(s)
- Makroni Lily
- Environment Research Institute, Shandong University, Qingdao, 266237, China.
| | - Xiaofan Lv
- Environment Research Institute, Shandong University, Qingdao, 266237, China.
| | - Asit K Chandra
- Department of Chemistry, North-Eastern Hill University, Shillong 793 022, India.
| | | | - Lin Du
- Environment Research Institute, Shandong University, Qingdao, 266237, China.
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Sun C, Xu B, Zeng Y. Pressure and temperature dependent kinetics and the reaction mechanism of Criegee intermediates with vinyl alcohol: a theoretical study. Phys Chem Chem Phys 2024; 26:9524-9533. [PMID: 38451236 DOI: 10.1039/d3cp06115a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/08/2024]
Abstract
Criegee intermediates (CIs), the key intermediates in the ozonolysis of olefins in atmosphere, have received much attention due to their high activity. The reaction mechanism of the most simple Criegee intermediate CH2OO with vinyl alcohol (VA) was investigated by using the HL//M06-2X/def2TZVP method. The temperature and pressure dependent rate constant and product branching ratio were calculated using the master equation method. For CH2OO + syn-VA, 1,4-insertion is the main reaction channel while for the CH2OO + anti-VA, cycloaddition and 1,2-insertion into the O-H bond are more favorable than the 1,4-insertion reaction. The 1,4-insertion or cycloaddition intermediates are stabilized collisionally at 300 K and 760 torr, and the dissociation products involving OH are formed at higher temperature and lower pressure. The rate constants of the CH2OO reaction with syn-VA and anti-VA both show negative temperature effects, and they are 2.95 × 10-11 and 2.07 × 10-13 cm3 molecule-1 s-1 at 300 K, respectively, and the former is agreement with the prediction in the literature.
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Affiliation(s)
- Cuihong Sun
- Shijiazhuang Key Laboratory of Low Carbon Energy Materials, Technology Innovation Center of HeBei for Heterocyclic Compound, College of Chemical Engineering, Shijiazhuang University, Shijiazhuang 050035, P. R. China
| | - Baoen Xu
- Shijiazhuang Key Laboratory of Low Carbon Energy Materials, Technology Innovation Center of HeBei for Heterocyclic Compound, College of Chemical Engineering, Shijiazhuang University, Shijiazhuang 050035, P. R. China
| | - Yanli Zeng
- College of Chemistry and Materials Science, Hebei Normal University, Shijiazhuang 050024, P.R. China.
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Zhang YQ, Francisco JS, Long B. Rapid Atmospheric Reactions between Criegee Intermediates and Hypochlorous Acid. J Phys Chem A 2024; 128:909-917. [PMID: 38271208 DOI: 10.1021/acs.jpca.3c06144] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2024]
Abstract
Hypochlorous acid (HOCl) is a paramount compound in the atmosphere due to its significant contribution to both tropospheric oxidation capacity and ozone depletion. The main removal routes for HOCl are photolysis and the reaction with OH during the daytime, while these processes are unimportant during the nighttime. Here, we report the rapid reactions of Criegee intermediates (CH2OO and anti/syn-CH3CHOO) with HOCl by using high-level quantum chemical methods as the benchmark; their accuracy is close to coupled cluster theory with single, double, and triple excitations and quasiperturbative connected quadruple excitations with a complete basis limit by extrapolation [CCSDT(Q)/CBS]. Their rate constants have been calculated by using a dual-level strategy; this combines conventional transition state theory calculated at the benchmark level with variational transition state theory with small-curvature tunneling by a validated density functional method. We find that the introduction of the methyl group into Criegee intermediates not only affects their reactivities but also exerts a remarkable influence on anharmonicity. The calculated results uncover that anharmonicity increases the rate constants of CH2OO + HOCl by a factor of 18-5, while it is of minor importance in the anti/syn-CH3CHOO + HOCl reaction at 190-350 K. The present findings reveal that the loose transition state for anti-CH3CHOO and HOCl is a rate-determining step at 190-350 K. We also find that the reaction of Criegee intermediates with HOCl contributes significantly to the sink of HOCl during the nighttime in the atmosphere.
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Affiliation(s)
- Yu-Qiong Zhang
- College of Physics and Mechatronic Engineering, Guizhou Minzu University, Guiyang 550025, China
| | - Joseph S Francisco
- Department of Earth and Environmental Sciences and Department of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
| | - Bo Long
- College of Physics and Mechatronic Engineering, Guizhou Minzu University, Guiyang 550025, China
- College of Materials Science and Engineering, Guizhou Minzu University, Guiyang 550025, China
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Babu G, Das A, Chakrabarty A, Chowdhury G, Goswami M. Criegee Intermediate-Mediated Oxidation of Dimethyl Disulfide: Effect of Formic Acid and Its Atmospheric Relevance. J Phys Chem A 2023; 127:8415-8426. [PMID: 37782474 DOI: 10.1021/acs.jpca.3c04730] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/03/2023]
Abstract
The oxidation-reduction reactions of disulfides are important in both chemistry and biology. Dimethyl disulfide (DMDS), the smallest reduced sulfur species with a disulfide bond, is emitted in significant quantities from natural sources and contributes to the formation of aerosols and hazardous haze. Although atmospheric removal of DMDS via the reactions with OH or NO3 radicals and photolysis is known, the reactions of DMDS with other atmospheric oxidants are yet to be explored. Herein, using quantum chemical calculations, we explored the reactions of DMDS with CH2OO (formaldehyde oxide) and other methyl-substituted Criegee intermediates. The various reaction pathways evaluated were found to have positive energy barriers. However, in the presence of formic acid, a direct oxygen-transfer pathway leading to the corresponding sulfoxide (CH3SS(O)CH3) was found to proceed through a submerged transition state below the separated reactants. Calculations for the methyl-substituted Criegee intermediates, particularly for anti-CH3CHOO, show a significant increase in the rate of the direct oxygen-transfer reaction when catalyzed by formic acid. The presence of formic acid also alters the mechanism and reduces the enthalpic barrier of a second pathway, forming thioformaldehyde and hydroperoxide without any rate enhancement. Our data indicated that, although Criegee intermediates are unlikely to be an important atmospheric sink of DMDS under normal conditions, in regions rich in DMDS and formic acid, the formic acid-catalyzed Criegee intermediate-mediated oxidation of DMDS via the direct oxygen-transfer pathway could lead to organic sulfur compounds contributing to atmospheric aerosol.
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Affiliation(s)
- Gowtham Babu
- Department of Chemistry, School of Advanced Sciences, Vellore Institute of Technology, Vellore, TN 632014, India
| | - Arijit Das
- Department of Inorganic and Physical Chemistry, Indian Institute of Science, Bangalore, KA 560012, India
| | - Anindita Chakrabarty
- Department of Life Science, School of Natural Sciences, Shiv Nadar Institution of Eminence Deemed to be University, Delhi-NCR, UP 201314, India
| | | | - Mausumi Goswami
- Department of Chemistry, School of Advanced Sciences, Vellore Institute of Technology, Vellore, TN 632014, India
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Su ZS, Lee YP. Infrared Characterization of the Products of the Reaction between the Criegee Intermediate CH 3CHOO and HCl. J Phys Chem A 2023; 127:6902-6915. [PMID: 37561815 DOI: 10.1021/acs.jpca.3c03527] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/12/2023]
Abstract
The rapid reactions between Criegee intermediates and hydrogen halides play important roles in atmospheric chemistry, particularly in the polluted urban atmosphere. Employing a step-scan Fourier transform spectrometer, we recorded infrared absorption spectra of transient species and end products of the reaction CH3CHOO + HCl in a flowing mixture of CH3CHI2/HCl/O2/N2 irradiated at 308 nm. Bands at 1453.6, 1383.7, 1357.9, 1323.8, 1271.8, 1146.2, 1098.2, 1017.5, 931.5, and 847.0 cm-1 were observed and assigned to the anti-conformer of chloroethyl hydroperoxide (anti-CEHP or anti-CH3CHClOOH). In addition, absorption bands of H2O and acetyl chloride [CH3C(O)Cl, at 1819.1 cm-1] were observed; some of them were produced from the secondary reactions of CH3CHClO + O2 → CH3C(O)Cl + HO2 and OH + HCl → H2O + Cl, according to temporal profiles of H2O and CH3C(O)Cl. These secondary reactions are conceivable because the nascent formation of CH3CHClO + OH via decomposition of internally excited CEHP was predicted by theory, and both HCl and O2 are major species in the system. The nascent formation of CH3CHClO + OH appears to be more important than that of CH3C(O)Cl + H2O, consistent with theoretical predictions. By adding methanol to deplete some anti-CH3CHOO, we observed only anti-CEHP with a reduced proportion; this observation indicates that the conversion from syn-CEHP, expected to be produced from syn-CH3CHOO + HCl, to anti-CEHP is facile. We also estimated the overall rate coefficient of the reaction syn-/anti-CH3CHOO + HCl to be kHCl = (2.7 ± 1.0) × 10-10 cm3 molecule-1 s-1 at ∼70 Torr and 298 K; this rate coefficient is about six times the only literature value kHClsyn = (4.77 ± 0.95) × 10-11 cm3 molecule-1 s-1 reported for syn-CH3CHOO + HCl by Liu et al., indicating that anti-CH3CHOO reacts with HCl much more rapidly than syn-CH3CHOO.
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Affiliation(s)
- Zih-Syuan Su
- Department of Applied Chemistry and Institute of Molecular Science, National Yang Ming Chiao Tung University, Hsinchu 300093, Taiwan
| | - Yuan-Pern Lee
- Department of Applied Chemistry and Institute of Molecular Science, National Yang Ming Chiao Tung University, Hsinchu 300093, Taiwan
- Center for Emergent Functional Matter Science, National Yang Ming Chiao Tung University, Hsinchu 300093, Taiwan
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Xiao W, Yan S, Liu X, Sun S, Ui Haq Khan Z, Wu W, Sun J. Theoretical study on the degradation mechanism, kinetics and toxicity for aqueous ozonation reaction of furan derivatives. CHEMOSPHERE 2023; 332:138782. [PMID: 37142106 DOI: 10.1016/j.chemosphere.2023.138782] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/17/2023] [Revised: 03/29/2023] [Accepted: 04/24/2023] [Indexed: 05/06/2023]
Abstract
The compounds including Furan-2,5-dicarboxylic acid (FDCA), 2-methyl-3-furoic acid (MFA), and 2-furoic acid (FA), containing Furan rings are considered to be possessing high ozone reactivity, although in depth studies of their ozonation processes have not been carried out yet. Hence, mechanism, kinetics and toxicity by quantum chemical, and their structure activity relationship are being investigated in this study. Studies of reaction mechanisms revealed that during the ozonolysis of three furan derivatives containing C=C double bond, furan ring opening occurs. At temperature (298 K) and pressure of 1 atm the degradations rates of 2.22 × 103 M-1 s-1 (FDCA), 5.81 × 106 M-1 s-1 (MFA) and 1.22 × 105 M-1 s-1 (FA) suggested that the reactivity order is: MFA > FA > FDCA. In the presence of water, oxygen and ozone, the primary product of ozonation, the Criegee intermediates (CIs) would produce lower molecule weight of aldehydes and carboxylic acids by undergoing degradation pathways. The aquatic toxicity reveals that three furan derivatives play green chemicals roles. Significantly, most of degradation products are least harmful to organisms residing the hydrosphere. The mutagenicity and developmental toxicity of FDCA is minimum as compared to FA and MFA, which shows the applicability of FDCA in a wider and broader field. Results of this study revealed its importance in the industrial sector and degradation experiments.
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Affiliation(s)
- Weikang Xiao
- Hubei Key Laboratory of Pollutant Analysis & Reuse Technology, College of Chemistry and Chemical Engineering, Hubei Normal University, Cihu Road 11, Huangshi, Hubei, 435002, PR China
| | - Suding Yan
- College of Urban and Environmental Sciences, Hubei Normal University, Huangshi, 435002, PR China
| | - Xiufan Liu
- Hubei Key Laboratory of Pollutant Analysis & Reuse Technology, College of Chemistry and Chemical Engineering, Hubei Normal University, Cihu Road 11, Huangshi, Hubei, 435002, PR China
| | - Simei Sun
- Huangshi Key Laboratory of Photoelectric Technology and Materials, College of Physics and Electronic Science, Hubei Normal University, Huangshi, 435002, PR China
| | - Zia Ui Haq Khan
- Department of Environmental Sciences, COMSATS University Islamabad, Vehari Campus, 61100, Pakistan
| | - Wenzhong Wu
- College of Foreign Languages, Hubei Normal University, Cihu Road 11, Huangshi, Hubei, 435002, PR China
| | - Jingyu Sun
- Hubei Key Laboratory of Pollutant Analysis & Reuse Technology, College of Chemistry and Chemical Engineering, Hubei Normal University, Cihu Road 11, Huangshi, Hubei, 435002, PR China.
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Theoretical Study on the Gas-Phase and Aqueous Interface Reaction Mechanism of Criegee Intermediates with 2-Methylglyceric Acid and the Nucleation of Products. Int J Mol Sci 2023; 24:ijms24065400. [PMID: 36982477 PMCID: PMC10049390 DOI: 10.3390/ijms24065400] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2023] [Revised: 03/04/2023] [Accepted: 03/10/2023] [Indexed: 03/14/2023] Open
Abstract
Criegee intermediates (CIs) are important in the sink of many atmospheric substances, including alcohols, organic acids, amines, etc. In this work, the density functional theory (DFT) method was used to calculate the energy barriers for the reactions of CH3CHOO with 2-methyl glyceric acid (MGA) and to evaluate the interaction of the three functional groups of MGA. The results show that the reactions involving the COOH group of MGA are negligibly affected, and that hydrogen bonding can affect the reactions involving α-OH and β-OH groups. The water molecule has a negative effect on the reactions of the COOH group. It decreases the energy barriers of reactions involving the α-OH and β-OH groups as a catalyst. The Born-Oppenheimer molecular dynamic (BOMD) was applied to simulate the reactions of CH3CHOO with MGA at the gas-liquid interface. Water molecule plays the role of proton transfer in the reaction. Gas-phase calculations and gas-liquid interface simulations demonstrate that the reaction of CH3CHOO with the COOH group is the main pathway in the atmosphere. The molecular dynamic (MD) simulations suggest that the reaction products can form clusters in the atmosphere to participate in the formation of particles.
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Theoretical Study on the Gas Phase and Gas-Liquid Interface Reaction Mechanism of Criegee Intermediates with Glycolic Acid Sulfate. Int J Mol Sci 2023; 24:ijms24043355. [PMID: 36834768 PMCID: PMC9965808 DOI: 10.3390/ijms24043355] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2022] [Revised: 01/09/2023] [Accepted: 01/11/2023] [Indexed: 02/11/2023] Open
Abstract
Criegee intermediates (CIs) are important zwitterionic oxidants in the atmosphere, which affect the budget of OH radicals, amines, alcohols, organic/inorganic acids, etc. In this study, quantum chemical calculation and Born-Oppenheimer molecular dynamic (BOMD) simulation were performed to show the reaction mechanisms of C2 CIs with glycolic acid sulfate (GAS) at the gas-phase and gas-liquid interface, respectively. The results indicate that CIs can react with COOH and OSO3H groups of GAS and generate hydroperoxide products. Intramolecular proton transfer reactions occurred in the simulations. Moreover, GAS acts as a proton donor and participates in the hydration of CIs, during which the intramolecular proton transfer also occurs. As GAS widely exists in atmospheric particulate matter, the reaction with GAS is one of the sink pathways of CIs in areas polluted by particulate matter.
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Luo PL. Kinetics and pressure-dependent HO x yields of the reaction between the Criegee intermediate CH 2OO and HNO 3. Phys Chem Chem Phys 2023; 25:4062-4069. [PMID: 36651102 DOI: 10.1039/d2cp03660f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
The reaction of Criegee intermediates with nitric acid (HNO3) plays an important role for removal of Criegee intermediates as well as in oxidation of atmospheric HNO3 because of its fast reaction rate. Theoretical prediction suggests that the product branching ratios of the reaction of the simplest Criegee intermediate CH2OO with HNO3 are strongly pressure dependent and the CH2OO may be catalytically converted to OH and HCO radicals by HNO3. The direct quantification of HOx radicals formed from this reaction is hence crucial to evaluate its atmospheric implications. By employing mid-infrared multifunctional dual-comb spectrometers, the kinetics and product yields of the reaction CH2OO + HNO3 are investigated. A pressure independent rate coefficient of (1.9 ± 0.2) × 10-10 cm3 molecule-1 s-1 is obtained under a total pressure of 6.3-58.6 Torr at 296 K. The product branching ratios are derived by simultaneous determination of CH2OO, formaldehyde (CH2O), OH and HO2 radicals. At the total pressure of 12.5 Torr, the yield for the formation of NO2 + CH2O + HO2 is 36% and only 3.2% for OH + CH2(O)NO3, whereas the main remainder may be thermalized nitrooxymethyl hydroperoxide (NMHP, NO3CH2OOH). Additionally, the fractional yields of both the OH and HO2 product channels are decreased by a factor of roughly 2 from 12 to 60 Torr, indicating that there is almost no catalytic conversion of CH2OO to the OH radicals in the presence of HNO3.
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Affiliation(s)
- Pei-Ling Luo
- Institute of Atomic and Molecular Sciences, Academia Sinica, Taipei 10617, Taiwan.
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10
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Wang S, Zhao Y, Chan AWH, Yao M, Chen Z, Abbatt JPD. Organic Peroxides in Aerosol: Key Reactive Intermediates for Multiphase Processes in the Atmosphere. Chem Rev 2023; 123:1635-1679. [PMID: 36630720 DOI: 10.1021/acs.chemrev.2c00430] [Citation(s) in RCA: 21] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
Organic peroxides (POs) are organic molecules with one or more peroxide (-O-O-) functional groups. POs are commonly regarded as chemically labile termination products from gas-phase radical chemistry and therefore serve as temporary reservoirs for oxidative radicals (HOx and ROx) in the atmosphere. Owing to their ubiquity, active gas-particle partitioning behavior, and reactivity, POs are key reactive intermediates in atmospheric multiphase processes determining the life cycle (formation, growth, and aging), climate, and health impacts of aerosol. However, there remain substantial gaps in the origin, molecular diversity, and fate of POs due to their complex nature and dynamic behavior. Here, we summarize the current understanding on atmospheric POs, with a focus on their identification and quantification, state-of-the-art analytical developments, molecular-level formation mechanisms, multiphase chemical transformation pathways, as well as environmental and health impacts. We find that interactions with SO2 and transition metal ions are generally the fast PO transformation pathways in atmospheric liquid water, with lifetimes estimated to be minutes to hours, while hydrolysis is particularly important for α-substituted hydroperoxides. Meanwhile, photolysis and thermolysis are likely minor sinks for POs. These multiphase PO transformation pathways are distinctly different from their gas-phase fates, such as photolysis and reaction with OH radicals, which highlights the need to understand the multiphase partitioning of POs. By summarizing the current advances and remaining challenges for the investigation of POs, we propose future research priorities regarding their origin, fate, and impacts in the atmosphere.
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Affiliation(s)
- Shunyao Wang
- School of Environmental Science and Engineering, Shanghai Jiao Tong University, Shanghai200240, China
- School of Environmental and Chemical Engineering, Shanghai University, Shanghai200444, China
- Department of Chemical Engineering and Applied Chemistry, University of Toronto, Toronto, OntarioM5S 3E5, Canada
| | - Yue Zhao
- School of Environmental Science and Engineering, Shanghai Jiao Tong University, Shanghai200240, China
| | - Arthur W H Chan
- Department of Chemical Engineering and Applied Chemistry, University of Toronto, Toronto, OntarioM5S 3E5, Canada
- School of the Environment, University of Toronto, Toronto, OntarioM5S 3E8, Canada
| | - Min Yao
- School of Environmental Science and Engineering, Shanghai Jiao Tong University, Shanghai200240, China
| | - Zhongming Chen
- State Key Laboratory of Environmental Simulation and Pollution Control, College of Environmental Sciences and Engineering, Peking University, Beijing100871, China
| | - Jonathan P D Abbatt
- Department of Chemistry, University of Toronto, Toronto, OntarioM5S 3H6, Canada
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Photoionization energetics and dissociation pathways of hydroperoxyethyl formate produced in the reaction of CH3CHOO + formic acid. Chem Phys Lett 2022. [DOI: 10.1016/j.cplett.2022.140179] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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Fan H, Ma J, Zhu L, Liu B, Liu F, Shan X, Wang Z, Wang L. Unusual Diradical Intermediates in Ozonolysis of Alkenes: A Combined Theoretical and Synchrotron Radiation Photoionization Mass Spectrometric Study on Ozonolysis of Alkyl Vinyl Ethers. J Phys Chem A 2022; 126:8021-8027. [DOI: 10.1021/acs.jpca.2c04382] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Hanlin Fan
- School of Chemistry & Chemical Engineering, South China University of Technology, Guangzhou 510640, China
| | - Jun Ma
- School of Chemistry & Chemical Engineering, South China University of Technology, Guangzhou 510640, China
| | - Long Zhu
- National Synchrotron Radiation Laboratory, University of Sciences and Technology of China, Hefei, 230029, China
| | - Bingzhi Liu
- National Synchrotron Radiation Laboratory, University of Sciences and Technology of China, Hefei, 230029, China
| | - Fuyi Liu
- National Synchrotron Radiation Laboratory, University of Sciences and Technology of China, Hefei, 230029, China
| | - Xiaobin Shan
- National Synchrotron Radiation Laboratory, University of Sciences and Technology of China, Hefei, 230029, China
| | - Zhandong Wang
- National Synchrotron Radiation Laboratory, University of Sciences and Technology of China, Hefei, 230029, China
| | - Liming Wang
- School of Chemistry & Chemical Engineering, South China University of Technology, Guangzhou 510640, China
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Zhao YC, Long B, Francisco JS. Quantitative Kinetics of the Reaction between CH 2OO and H 2O 2 in the Atmosphere. J Phys Chem A 2022; 126:6742-6750. [DOI: 10.1021/acs.jpca.2c04408] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Yong-Chao Zhao
- College of Mechanical and Electrical Engineering, Guizhou Minzu University, Guiyang 550025, China
- College of Materials Science and Engineering, Guizhou Minzu University, Guiyang 550025, China
| | - Bo Long
- College of Mechanical and Electrical Engineering, Guizhou Minzu University, Guiyang 550025, China
- College of Materials Science and Engineering, Guizhou Minzu University, Guiyang 550025, China
| | - Joseph S. Francisco
- Department of Earth and Environmental Sciences and Department of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
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14
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Xiao W, Sun S, Yan S, Wu W, Sun J. Theoretical study on the formation of Criegee intermediates from ozonolysis of pentenal: An example of trans-2-pentenal. CHEMOSPHERE 2022; 303:135142. [PMID: 35636604 DOI: 10.1016/j.chemosphere.2022.135142] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/29/2021] [Revised: 05/17/2022] [Accepted: 05/25/2022] [Indexed: 06/15/2023]
Abstract
In this study, we investigated the reaction mechanism and kinetics of ozone with trans-2-pentenal using density functional theory (DFT) and conventional transition state theory (CTST). At 298 K and 1 atm, the gas-phase reaction mechanisms and kinetic parameters were calculated at the level of CCSD(T)/6-311+G(d,p)//M06-2X/6-311+G(d,p). Both CC and CO bond cycloaddition as well as hydrogen abstraction were found. The calculations indicated that the main reaction path is 1,3-dipole cycloaddition reactions of ozone with CC bond with the relatively lower syn-energy-barrier of 3.35 kcal mol-1 to form primary ozonide which decomposed to produce a carbonyl oxide called a Criegee intermediate (CI) and an aldehyde. The subsequent reactions of CIs were analysed in detail. It is found that the reaction pathways of the novelty CIs containing an aldehyde group are extremely similar with general CIs when they react with NO, NO2, SO2, H2O, CH2O and O2. The condensed Fukui function were calculated to identify the active site of the chosen molecules. At 298 K and 1 atm, the reaction rate coefficient was 9.13 × 10-18 cm3 molecule-1 s-1 with atmospheric lifetime of 1.3 days. The calculated rate constant is in general agreement with the available experimental data. The branching ratios indicated that syn-addition pathways are prior to anti-addition. The atmospheric ratios for CIs formation and the bimolecular reaction rate constants for the Criegee intermediates with the variety of partners were calculated. Our theoretical results are of importance in atmospheric chemistry of unsaturated aldehyde oxidation by ozone.
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Affiliation(s)
- Weikang Xiao
- Hubei Key Laboratory of Pollutant Analysis & Reuse Technology, College of Chemistry and Chemical Engineering, Hubei Normal University, Cihu Road 11, Huangshi, Hubei, 435002, PR China
| | - Simei Sun
- Huangshi Key Laboratory of Photoelectric Technology and Materials, College of Physics and Electronic Science, Hubei Normal University, Huangshi, 435002, PR China
| | - Suding Yan
- College of Urban and Environmental Sciences, Hubei Normal University, Huangshi, 435002, PR China
| | - Wenzhong Wu
- College of Foreign Languages, Hubei Normal University, Cihu Road 11, Huangshi, Hubei, 435002, PR China
| | - Jingyu Sun
- Hubei Key Laboratory of Pollutant Analysis & Reuse Technology, College of Chemistry and Chemical Engineering, Hubei Normal University, Cihu Road 11, Huangshi, Hubei, 435002, PR China.
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15
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Chung CA, Hsu CW, Lee YP. Infrared Characterization of the Products and Rate Coefficient of the Reaction between Criegee Intermediate CH 2OO and HNO 3. J Phys Chem A 2022; 126:5738-5750. [PMID: 35994612 DOI: 10.1021/acs.jpca.2c04557] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The reactions of Criegee intermediates with HNO3 are important in the polluted urban atmosphere because of their large rate coefficients and the significant concentration of HNO3. Employing a step-scan Fourier-transform spectrometer, we recorded infrared spectra of transient species and end products in the reaction CH2OO + HNO3 upon irradiation of a flowing mixture of CH2I2/HNO3/N2/O2 at 308 nm. Eight bands at 1686, 1426, 1348, 1294, 1052, 965, 891, and 825 cm-1 were assigned to the absorption of the adduct nitrooxymethyl hydroperoxide (NMHP, NO3CH2OOH). Additional products from two dissociation channels were observed. Four bands at 1709, 1325, 1276, and 886 cm-1 were assigned to H2C(O)ONO2 (with coproduct OH), produced from the fission of the O-O bond of internally hot NMHP (NMHP*). Simultaneous detection of H2CO (1746 cm-1), NO2 (1617 cm-1), and HO2 (1392 and 1098 cm-1) indicated a direct cleavage of the N-OC and C-OO bonds of NMHP*. The relative yields of these three channels in pressure range 10-150 Torr were estimated. At 10 Torr, the absorption of internally excited HNO3 near 885 and 1320 cm-1 was also detected at an early stage of the reaction. We investigated also the rate coefficient of the reaction CH2OO + HNO3 by probing the temporal profiles of the formation of NMHP and NO2 under total pressures of 40 and 70 Torr at 298 K. The rate coefficient kHNO3 = (2.4 ± 0.4) × 10-10 cm3 molecule-1 s-1 is less than half the only literature value, (5.4 ± 1.0) × 10-10 cm3 molecule-1 s-1, reported by Foreman et al. (Angew. Chem. Int. Ed. 2016, 55, 10419-10422).
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16
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Behera B, Takahashi K, Lee YP. Mechanism and kinetics of the reaction of the Criegee intermediate CH 2OO with acetic acid studied using a step-scan Fourier-transform IR spectrometer. Phys Chem Chem Phys 2022; 24:18568-18581. [PMID: 35917139 DOI: 10.1039/d2cp01053d] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Acetic acid, CH3C(O)OH, plays an important role in the acidity of the troposphere. The reactions of Criegee intermediates with CH3C(O)OH have been proposed to be a potential source of secondary organic aerosol in the atmosphere. We investigated the detailed mechanism and kinetics of the reaction of the Criegee intermediate CH2OO with CH3C(O)OH. The time-resolved infrared absorption spectra of transient species produced upon irradiation at 308 nm of a flowing mixture of CH2I2/O2/CH3C(O)OH at 298 K were recorded using a step-scan Fourier-transform infrared spectrometer. The decrease in the intensity of the bands of CH2OO was accompanied by the appearance of bands near 886, 971, 1021, 1078, 1160, 1225, 1377, 1402, 1434, and 1777 cm-1, assigned to the absorption of hydroperoxymethyl acetate [CH3C(O)OCH2OOH, HPMA], the hydrogen-transferred adduct of CH2OO and CH3C(O)OH. Two types of conformers of HPMA, an open form and an intramolecularly hydrogen-bonded form, were identified. At a later reaction period, bands of the open-form HPMA became diminished, and new bands appeared at 930, 1045, 1200, 1378, 1792, and 1810 cm-1, assigned to formic acetic anhydride [CH3C(O)OC(O)H, FAA], a dehydrated product of HPMA. The intramolecularly hydrogen-bonded HPMA is more stable. From the temporal profiles of HPMA and FAA, we derived a rate coefficient k = (1.3 ± 0.3) × 10-10 cm3 molecule-1 s-1 for the reaction CH2OO + CH3C(O)OH to form HPMA and a rate coefficient k = 980 ± 40 s-1 for the dehydration of the open-form HPMA to form FAA. Theoretical calculations were performed to elucidate the CH2OO + CH3C(O)OH reaction pathway and to understand the distinct reactivity of these two forms of HPMA.
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Affiliation(s)
- Bedabyas Behera
- Department of Applied Chemistry and Institute of Molecular Science, National Yang Ming Chiao Tung University, 1001, Ta-Hsueh Road, Hsinchu 300093, Taiwan
| | - Kaito Takahashi
- Institute of Atomic and Molecular Science, Academia Sinica, Taipei 106319, Taiwan.
| | - Yuan-Pern Lee
- Department of Applied Chemistry and Institute of Molecular Science, National Yang Ming Chiao Tung University, 1001, Ta-Hsueh Road, Hsinchu 300093, Taiwan.,Center for Emergent Functional Matter Science, National Yang Ming Chiao Tung University, Hsinchu 300093, Taiwan.
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17
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Wei Y, Zhang Q, Huo X, Wang W, Wang Q. The reaction of Criegee intermediates with formamide and its implication to atmospheric aerosols. CHEMOSPHERE 2022; 296:133717. [PMID: 35077731 DOI: 10.1016/j.chemosphere.2022.133717] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/30/2021] [Revised: 01/19/2022] [Accepted: 01/19/2022] [Indexed: 06/14/2023]
Abstract
The reactions of Criegee intermediates (CIs) play an important role in the formation of secondary organic aerosols that have negative effect on visibility, human health, and global climate. New particle formation (NPF) can contribute to more than half of the aerosols in terms of their number concentration. Here, the reactions of CIs with formamide (FA) in the gas-phase and at the air/water interface were investigated using quantum chemistry calculation and Born-Oppenheimer molecular dynamic simulations. The results show that the reaction mechanism of CIs with FA is similar to that with formic acid, and the formation of hydroperoxymethyl formimidate (P4) is the most favorable pathway both in the gas-phase and at the air/water interface. Moreover, the potential contribution of the products to NPF was also evaluated by means of the molecular dynamic simulations. The results indicate that the product (P4) can participate in the SA-based NPF and water molecules are beneficial to enhance the NPF. The exploration will provide insight into the reaction of CIs with amide and the effect of the Criegee chemistry on the atmospheric aerosols.
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Affiliation(s)
- Yuanyuan Wei
- Environment Research Institute, Shandong University, Qingdao, 266237, PR China
| | - Qingzhu Zhang
- Environment Research Institute, Shandong University, Qingdao, 266237, PR China.
| | - Xinxi Huo
- Office of Supervisory and Audit, Shandong University, Qingdao, 266237, PR China.
| | - Wenxing Wang
- Environment Research Institute, Shandong University, Qingdao, 266237, PR China
| | - Qiao Wang
- Environment Research Institute, Shandong University, Qingdao, 266237, PR China
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18
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Luo PL, Chen IY. Synchronized Two-Color Time-Resolved Dual-Comb Spectroscopy for Quantitative Detection of HO x Radicals Formed from Criegee Intermediates. Anal Chem 2022; 94:5752-5759. [PMID: 35377143 DOI: 10.1021/acs.analchem.1c04583] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Criegee intermediates, derived from ozonolysis of alkenes and recognized as key species in the production of nonphotolytic free radicals, play a crucial role in atmospheric chemistry. Here, we present a spectrometer based on synchronized two-color time-resolved dual-comb spectroscopy, enabling simultaneous spectral acquisitions in two molecular fingerprint regions near 2.9 and 7.8 μm. Upon flash photolysis of CH2I2/O2/N2 gas mixtures, multiple reaction species, involving the simplest Criegee intermediates (CH2OO), formaldehyde (CH2O), hydroxyl (OH) and hydroperoxy (HO2) radicals are simultaneously detected with microsecond time resolution. The concentration of each molecule can be determined based on high-resolution rovibrational absorption spectroscopy. With quantitative detection and simulation of temporal concentration profiles of the targeted molecules at various conditions, the underlying reaction mechanisms and pathways related to the formation of the HOx radicals, which can be generated from decomposition of initially energized and vibrationally excited Criegee intermediates, are explored. This approach capable of achieving multispectral measurements with simultaneously high spectral and temporal resolutions opens up the opportunities for quantification of transient intermediates and products, thus, enabling elucidation of complex reaction mechanisms.
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Affiliation(s)
- Pei-Ling Luo
- Institute of Atomic and Molecular Sciences, Academia Sinica, Taipei, 10617, Taiwan
| | - I-Yun Chen
- Institute of Atomic and Molecular Sciences, Academia Sinica, Taipei, 10617, Taiwan
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19
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Vereecken L, Novelli A, Kiendler-Scharr A, Wahner A. Unimolecular and water reactions of oxygenated and unsaturated Criegee intermediates under atmospheric conditions. Phys Chem Chem Phys 2022; 24:6428-6443. [DOI: 10.1039/d1cp05877k] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Ozonolysis of unsaturated hydrocarbons (VOCs) is one of the main oxidation processes in the atmosphere. The stabilized Criegee intermediates (SCI) formed are highly reactive oxygenated species that potentially influence the...
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20
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Liu S, Zhou X, Chen Y, Liu Y, Yu S, Takahashi K, Ding H, Ding Z, Yang X, Dong W. Experimental and Computational Studies of Criegee Intermediate syn-CH 3CHOO Reaction with Hydrogen Chloride. J Phys Chem A 2021; 125:8587-8594. [PMID: 34558283 DOI: 10.1021/acs.jpca.1c05578] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Hydrogen chloride (HCl) contributes substantially to the atmospheric Cl; both species could affect the composition of Earth's atmosphere and the fate of pollutants. Here, we present the kinetics study for syn-CH3CHOO reaction with HCl using experimental measurement and theoretical calculations. The experiment was conducted in a flow tube reactor at a pressure of 10 Torr and temperatures ranging from 283 to 318 K by using the OH laser-induced fluorescence (LIF) method. Transition-state theory and quantum chemistry calculations with QCISD(T) were used to calculate the rate coefficients. Weak negative temperature dependence was observed with a measured activation energy of -(2.98 ± 0.12) kcal mol-1 and a calculated zero-point-corrected barrier energy of -3.29 kcal mol-1. At 298 K, the rate coefficient was measured to be (4.77 ± 0.95) × 10-11 cm3 s-1, which was in reasonable agreement with 2.2 × 10-11 cm3 s-1 from the theoretical calculation.
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Affiliation(s)
- Siyue Liu
- Key Laboratory of Materials Modification by Laser, Ion, and Electron Beams, Chinese Ministry of Education, School of Physics, Dalian University of Technology, Dalian 116024, China.,State Key Laboratory of Molecular Reaction Dynamics, Chinese Academy of Sciences, Dalian Institute of Chemical Physics, Dalian 116023, China
| | - Xiaohu Zhou
- State Key Laboratory of Molecular Reaction Dynamics, Chinese Academy of Sciences, Dalian Institute of Chemical Physics, Dalian 116023, China.,Key Laboratory of Industrial Ecology and Environmental Engineering (Ministry of Education), School of Environmental Science and Technology, Dalian University of Technology, Dalian 116024, China.,Zhang Dayu School of Chemistry, Dalian University of Technology, Dalian 116024, China
| | - Yang Chen
- State Key Laboratory of Molecular Reaction Dynamics, Chinese Academy of Sciences, Dalian Institute of Chemical Physics, Dalian 116023, China.,Key Laboratory of Chemical Lasers, Chinese Academy of Sciences, Dalian Institute of Chemical Physics, Dalian 116023, China.,University of Chinese Academy of Sciences, Beijing 100049, China
| | - Yiqiang Liu
- State Key Laboratory of Molecular Reaction Dynamics, Chinese Academy of Sciences, Dalian Institute of Chemical Physics, Dalian 116023, China.,School of Materials Science and Engineering, Anyang Institute of Technology, Anyang 455000, China
| | - Shengrui Yu
- Hangzhou Institute of Advanced Studies, Zhejiang Normal University, 1108 Gengwen Road, Hangzhou 311231, Zhejiang Province, P. R. China
| | - Kaito Takahashi
- Institute of Atomic and Molecular Science, Academia Sinica, Taipei 10617, Taiwan
| | - Hongbin Ding
- Key Laboratory of Materials Modification by Laser, Ion, and Electron Beams, Chinese Ministry of Education, School of Physics, Dalian University of Technology, Dalian 116024, China
| | - Zhenfeng Ding
- Key Laboratory of Materials Modification by Laser, Ion, and Electron Beams, Chinese Ministry of Education, School of Physics, Dalian University of Technology, Dalian 116024, China
| | - Xueming Yang
- State Key Laboratory of Molecular Reaction Dynamics, Chinese Academy of Sciences, Dalian Institute of Chemical Physics, Dalian 116023, China.,Department of Chemistry, Southern University of Science and Technology, Shenzhen 518055, China
| | - Wenrui Dong
- State Key Laboratory of Molecular Reaction Dynamics, Chinese Academy of Sciences, Dalian Institute of Chemical Physics, Dalian 116023, China
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21
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Li L, Zhang R, Ma X, Wei Y, Zhao X, Zhang R, Xu F, Li Y, Huo X, Zhang Q, Wang W. Gas-phase and aqueous-surface reaction mechanism of Criegee radicals with serine and nucleation of products: A theoretical study. CHEMOSPHERE 2021; 280:130709. [PMID: 34162082 DOI: 10.1016/j.chemosphere.2021.130709] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/23/2021] [Revised: 04/20/2021] [Accepted: 04/24/2021] [Indexed: 06/13/2023]
Abstract
Criegee intermediates (CIs) are short-lived carbonyl oxides, which can affect the budget of OH radicals, ozone, ammonia, organic/inorganic acids in the troposphere. This study investigated the reaction of CIs with serine (Ser) in the gas phase by using density functional theory (DFT) calculations and at the gas-liquid interface by using Born-Oppenheimer molecular dynamics (BOMD). The results reveal that the reactivity of the three functional groups of Ser can be ordered as follows: COOH > NH2 > OH. Water-mediated reactions of CIs with NH2 and OH groups of Ser on the droplet follow the proton exchange mechanism. The products, sulfuric acids, ammonia, and water molecules form stable clusters within 20 ns. This study shows that hydroperoxide products can contribute to new particle formation (NPF). The result deepens the understanding of the reaction of CIs with multifunctional pollutants and atmospheric behavior of CIs in polluted areas.
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Affiliation(s)
- Lei Li
- Environment Research Institute, Shandong University, Qingdao, 266237, PR China
| | - Ruiying Zhang
- Environment Research Institute, Shandong University, Qingdao, 266237, PR China
| | - Xiaohui Ma
- Environment Research Institute, Shandong University, Qingdao, 266237, PR China
| | - Yuanyuan Wei
- Environment Research Institute, Shandong University, Qingdao, 266237, PR China
| | - Xianwei Zhao
- Environment Research Institute, Shandong University, Qingdao, 266237, PR China
| | - Ruiming Zhang
- Environment Research Institute, Shandong University, Qingdao, 266237, PR China
| | - Fei Xu
- Environment Research Institute, Shandong University, Qingdao, 266237, PR China
| | - Yanwei Li
- Environment Research Institute, Shandong University, Qingdao, 266237, PR China
| | - Xinxi Huo
- Environment Research Institute, Shandong University, Qingdao, 266237, PR China; Office of Supervisory and Audit, Shandong University, Qingdao, 266237, PR China.
| | - Qingzhu Zhang
- Environment Research Institute, Shandong University, Qingdao, 266237, PR China.
| | - Wenxing Wang
- Environment Research Institute, Shandong University, Qingdao, 266237, PR China
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22
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Takahashi K. Theoretical analysis on reactions between
syn‐
methyl Criegee intermediate and amino alcohols. J CHIN CHEM SOC-TAIP 2021. [DOI: 10.1002/jccs.202100249] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Kaito Takahashi
- Institute of Atomic and Molecular Sciences Academia Sinica Taipei Taiwan
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23
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Taatjes CA, Caravan RL, Winiberg FAF, Zuraski K, Au K, Sheps L, Osborn DL, Vereecken L, Percival CJ. Insertion products in the reaction of carbonyl oxide Criegee intermediates with acids: Chloro(hydroperoxy)methane formation from reaction of CH2OO with HCl and DCl. Mol Phys 2021. [DOI: 10.1080/00268976.2021.1975199] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
- Craig A. Taatjes
- Combustion Research Facility, Mailstop 9055, Sandia National Laboratories, Livermore, CA, USA
| | - Rebecca L. Caravan
- Combustion Research Facility, Mailstop 9055, Sandia National Laboratories, Livermore, CA, USA
- NASA Postdoctoral Program Fellow, NASA Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, USA
- Chemical Sciences and Engineering Division, Argonne National Laboratory, Lemont, IL, USA
| | - Frank A. F. Winiberg
- NASA Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, USA
- California Institute of Technology, Pasadena, CA, USA
| | - Kristen Zuraski
- NASA Postdoctoral Program Fellow, NASA Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, USA
| | - Kendrew Au
- Combustion Research Facility, Mailstop 9055, Sandia National Laboratories, Livermore, CA, USA
| | - Leonid Sheps
- Combustion Research Facility, Mailstop 9055, Sandia National Laboratories, Livermore, CA, USA
| | - David L. Osborn
- Combustion Research Facility, Mailstop 9055, Sandia National Laboratories, Livermore, CA, USA
- Department of Chemical Engineering, University of California, Davis, CA, USA
| | - Luc Vereecken
- Institute of Energy and Climate Research, Forschungszentrum Jülich GmbH, Jülich, Germany
| | - Carl J. Percival
- NASA Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, USA
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24
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Shyama M, Cheviri M, Mano Priya A, Lakshmipathi S. Complexes of criegee intermediate CH2OO with CO, CO2, H2O, SO2, NO2, CH3OH, HCOOH and CH3CH3CO molecules – A DFT study on bonding, energetics and spectra. COMPUT THEOR CHEM 2021. [DOI: 10.1016/j.comptc.2021.113341] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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25
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Kuo MT, Yang JN, Lin JJM, Takahashi K. Substituent Effect in the Reactions between Criegee Intermediates and 3-Aminopropanol. J Phys Chem A 2021; 125:6580-6590. [PMID: 34314585 DOI: 10.1021/acs.jpca.1c03737] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Via intramolecular H atom transfer, 3-aminopropanol is more reactive toward Criegee intermediates, in comparison with amines or alcohols. Here we accessed the substituent effect of Criegee intermediates in their reactions with 3-aminopropanol. Through real-time monitoring the concentrations of two Criegee intermediates with their strong UV absorption at 340 nm, the experimental rate coefficients at 298 K (100-300 Torr) were determined to be (1.52 ± 0.08) × 10-11 and (1.44 ± 0.22) × 10-13 cm3 s-1 for the reactions of 3-aminopropanol with (CH3)2COO (acetone oxide) and CH2CHC(CH3)OO (methyl vinyl ketone oxide), respectively. Compared to our previous experimental value for the reaction with syn-CH3CHOO, (1.24 ± 0.13) × 10-11 cm3 s-1, we can see that the methyl substitution at the anti position has little effect on the reactivity while the vinyl substitution causes a drastic decrease in the reactivity. Our theoretical calculations based on CCSD(T)-F12 energies reproduce this 2-order-of-magnitude decrease in the rate coefficient caused by the vinyl substitution. Using the activation strain model, we found that the interaction of Criegee intermediates with 3-aminopropanol is weaker for the case of vinyl substitution. This effect can be further rationalized by the delocalization of the lowest unoccupied molecular orbital for the vinyl-substituted Criegee intermediates. These results would help us better estimate the impact of similar reactions like the reactions of Criegee intermediates with water vapor, some of which could be difficult to measure experimentally but can be important in the atmosphere. We also found that the B2PLYP-D3BJ/aug-cc-pVTZ calculation can reproduce the CCSD(T)-F12 reaction barrier energies within ca. 1 kcal mol-1, indicating that the use of the B2PLYP-D3BJ method is promising for future predictions of the reactions of larger Criegee intermediates.
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Affiliation(s)
- Mei-Tsan Kuo
- Institute of Atomic and Molecular Sciences, Academia Sinica, Taipei 10617, Taiwan
| | - Jie-Ning Yang
- Institute of Atomic and Molecular Sciences, Academia Sinica, Taipei 10617, Taiwan.,Department of Chemistry, National Taiwan University, Taipei 10617, Taiwan
| | - Jim Jr-Min Lin
- Institute of Atomic and Molecular Sciences, Academia Sinica, Taipei 10617, Taiwan.,Department of Chemistry, National Taiwan University, Taipei 10617, Taiwan
| | - Kaito Takahashi
- Institute of Atomic and Molecular Sciences, Academia Sinica, Taipei 10617, Taiwan
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26
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Chen M, Tong S, Wang Z, Li W, Xu Y, Wang S, Ge M. Reaction mechanism and kinetics of Criegee intermediate and hydroperoxymethyl formate. J Environ Sci (China) 2021; 105:128-137. [PMID: 34130830 DOI: 10.1016/j.jes.2020.12.029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2020] [Revised: 12/24/2020] [Accepted: 12/25/2020] [Indexed: 06/12/2023]
Abstract
The reaction mechanism and kinetics of the simplest Criegee intermediate CH2OO reaction with hydroperoxymethyl formate (HPMF) was investigated at high-level quantum chemistry calculations. HPMF has two reactive functional groups, -C(O)OH and -OOH. The calculated results of thermodynamic data and rate constants indicated that the insertion reactions of CH2OO with -OOH group of HPMF were more favorable than the reactions of CH2OO with -C(O)OH group. The calculated overall rate constant was 2.33 × 10-13 cm3/(molecule⋅sec) at 298 K and the rate constants decreased as the temperature increased from 200 to 480 K. In addition, we also proved the polymerization reaction mechanism between CH2OO and -OOH of HPMF. This theoretical study interpreted the previous experimental results, and supplied the structures of the intermediate products that couldn't be detected during the experiment.
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Affiliation(s)
- Meifang Chen
- College of Chemistry and Material Science, Anhui Normal University, Wuhu 241000, China; State Key Laboratory for Structural Chemistry of Unstable and Stable Species, Chinese Academy of Sciences Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
| | - Shengrui Tong
- State Key Laboratory for Structural Chemistry of Unstable and Stable Species, Chinese Academy of Sciences Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China.
| | - Zhen Wang
- State Key Laboratory for Structural Chemistry of Unstable and Stable Species, Chinese Academy of Sciences Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China; Center for Excellence in Regional Atmos. Environ., Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China
| | - Weiran Li
- State Key Laboratory for Structural Chemistry of Unstable and Stable Species, Chinese Academy of Sciences Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China; Center for Excellence in Regional Atmos. Environ., Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China
| | - Yanyong Xu
- College of Chemistry and Material Science, Anhui Normal University, Wuhu 241000, China
| | - Sufan Wang
- College of Chemistry and Material Science, Anhui Normal University, Wuhu 241000, China.
| | - Maofa Ge
- State Key Laboratory for Structural Chemistry of Unstable and Stable Species, Chinese Academy of Sciences Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China; Center for Excellence in Regional Atmos. Environ., Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China; University of Chinese Academy of Sciences, Beijing 100049, China
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27
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Long B, Wang Y, Xia Y, He X, Bao JL, Truhlar DG. Atmospheric Kinetics: Bimolecular Reactions of Carbonyl Oxide by a Triple-Level Strategy. J Am Chem Soc 2021; 143:8402-8413. [PMID: 34029069 DOI: 10.1021/jacs.1c02029] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Criegee intermediates in the atmosphere serve as oxidizing agents to initiate aerosol formation, which are particularly important for atmospheric modeling, and understanding their kinetics is one of the current outstanding challenges in climate change modeling. Because experimental kinetics are still limited, we must rely on theory for the complete picture, but obtaining absolute rates from theory is a formidable task. Here, we report the bimolecular reaction kinetics of carbonyl oxide with ammonia, hydrogen sulfide, formaldehyde, and water dimer by designing a triple-level strategy that combines (i) benchmark results close to the complete-basis limit of coupled-cluster theory with the single, double, triple, and quadruple excitations (CCSDTQ/CBS), (ii) a new hybrid meta density functional (M06CR) specifically optimized for reactions of Criegee intermediates, and (iii) variational transition-state theory with both variable rection coordinates and optimized reaction paths, with multidimensional tunneling, and with pressure effects. For (i) we have found that quadruple excitations are required to obtain quantitative reaction barriers, and we designed new composite methods and strategies to reach CCSDTQ/CBS accuracy. The present findings show that (i) the CH2OO + HCHO reaction can make an important contribution to the sink of HCHO under wide atmospheric conditions in the gas phase and that (ii) CH2OO + (H2O)2 dominates over the CH2OO + H2O reaction below 10 km.
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Affiliation(s)
- Bo Long
- College of Materials Science and Engineering, Guizhou Minzu University, Guiyang 550025, China.,Department of Chemistry, Chemical Theory Center, and Supercomputing Institute, University of Minnesota, Minneapolis, Minnesota 55455-0431, United States
| | - Ying Wang
- Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development, School of Chemistry and Molecular Engineering, East China Normal University, Shanghai 200062, China.,The National and Local Joint Engineering Laboratory of Animal Peptide Drug Development, College of Life Sciences, Hunan Normal University, Changsha 410006, China
| | - Yu Xia
- College of Materials Science and Engineering, Guizhou Minzu University, Guiyang 550025, China
| | - Xiao He
- Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development, School of Chemistry and Molecular Engineering, East China Normal University, Shanghai 200062, China.,NYU-ECNU Center for Computational Chemistry at NYU Shanghai, Shanghai 200062, China
| | - Junwei Lucas Bao
- Department of Chemistry, Boston College, Chestnut Hill, Massachusetts 02467, United States
| | - Donald G Truhlar
- Department of Chemistry, Chemical Theory Center, and Supercomputing Institute, University of Minnesota, Minneapolis, Minnesota 55455-0431, United States
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28
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Vansco MF, Zuraski K, Winiberg FAF, Au K, Trongsiriwat N, Walsh PJ, Osborn DL, Percival CJ, Klippenstein SJ, Taatjes CA, Lester MI, Caravan RL. Functionalized Hydroperoxide Formation from the Reaction of Methacrolein-Oxide, an Isoprene-Derived Criegee Intermediate, with Formic Acid: Experiment and Theory. Molecules 2021; 26:3058. [PMID: 34065491 PMCID: PMC8161369 DOI: 10.3390/molecules26103058] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2021] [Revised: 05/11/2021] [Accepted: 05/13/2021] [Indexed: 11/16/2022] Open
Abstract
Methacrolein oxide (MACR-oxide) is a four-carbon, resonance-stabilized Criegee intermediate produced from isoprene ozonolysis, yet its reactivity is not well understood. This study identifies the functionalized hydroperoxide species, 1-hydroperoxy-2-methylallyl formate (HPMAF), generated from the reaction of MACR-oxide with formic acid using multiplexed photoionization mass spectrometry (MPIMS, 298 K = 25 °C, 10 torr = 13.3 hPa). Electronic structure calculations indicate the reaction proceeds via an energetically favorable 1,4-addition mechanism. The formation of HPMAF is observed by the rapid appearance of a fragment ion at m/z 99, consistent with the proposed mechanism and characteristic loss of HO2 upon photoionization of functional hydroperoxides. The identification of HPMAF is confirmed by comparison of the appearance energy of the fragment ion with theoretical predictions of its photoionization threshold. The results are compared to analogous studies on the reaction of formic acid with methyl vinyl ketone oxide (MVK-oxide), the other four-carbon Criegee intermediate in isoprene ozonolysis.
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Affiliation(s)
- Michael F. Vansco
- Department of Chemistry, University of Pennsylvania, Philadelphia, PA 19104-6323, USA; (M.F.V.); (N.T.); (P.J.W.)
- Argonne National Laboratory, Chemical Sciences and Engineering Division, Lemont, IL 60439, USA;
| | - Kristen Zuraski
- NASA Postdoctoral Program Fellow, NASA Jet Propulsion Laboratory, California Institute of Technology, 4800 Oak Grove Drive, Pasadena, CA 91109, USA;
| | - Frank A. F. Winiberg
- NASA Jet Propulsion Laboratory, California Institute of Technology, 4800 Oak Grove Drive, Pasadena, CA 91109, USA; (F.A.F.W.); (C.J.P.)
- Division of Chemistry and Chemical Engineering, California Institute of Technology, Pasadena, CA 91125, USA
| | - Kendrew Au
- Combustion Research Facility, Mailstop 9055, Sandia National Laboratories, Livermore, CA 94551, USA; (K.A.); (D.L.O.)
| | - Nisalak Trongsiriwat
- Department of Chemistry, University of Pennsylvania, Philadelphia, PA 19104-6323, USA; (M.F.V.); (N.T.); (P.J.W.)
| | - Patrick J. Walsh
- Department of Chemistry, University of Pennsylvania, Philadelphia, PA 19104-6323, USA; (M.F.V.); (N.T.); (P.J.W.)
| | - David L. Osborn
- Combustion Research Facility, Mailstop 9055, Sandia National Laboratories, Livermore, CA 94551, USA; (K.A.); (D.L.O.)
- Department of Chemical Engineering, University of California, Davis, CA 95616, USA
| | - Carl J. Percival
- NASA Jet Propulsion Laboratory, California Institute of Technology, 4800 Oak Grove Drive, Pasadena, CA 91109, USA; (F.A.F.W.); (C.J.P.)
| | - Stephen J. Klippenstein
- Argonne National Laboratory, Chemical Sciences and Engineering Division, Lemont, IL 60439, USA;
| | - Craig A. Taatjes
- Combustion Research Facility, Mailstop 9055, Sandia National Laboratories, Livermore, CA 94551, USA; (K.A.); (D.L.O.)
| | - Marsha I. Lester
- Department of Chemistry, University of Pennsylvania, Philadelphia, PA 19104-6323, USA; (M.F.V.); (N.T.); (P.J.W.)
| | - Rebecca L. Caravan
- Argonne National Laboratory, Chemical Sciences and Engineering Division, Lemont, IL 60439, USA;
- NASA Postdoctoral Program Fellow, NASA Jet Propulsion Laboratory, California Institute of Technology, 4800 Oak Grove Drive, Pasadena, CA 91109, USA;
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Liang WC, Luo PL, Lee YP. Infrared characterization of the products and the rate coefficient of the reaction between Criegee intermediate CH 2OO and HCl. Phys Chem Chem Phys 2021; 23:11082-11090. [PMID: 33949520 DOI: 10.1039/d1cp00011j] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Reactions between Criegee intermediates and hydrogen halides might be significant, particularly in the polluted urban atmosphere, because of their large rate coefficients. Employing a Fourier-transform spectrometer in a step-scan mode or a continuous-scan mode, we recorded infrared spectra of transient species and end products in a flowing mixture of CH2I2/HCl/N2/O2 irradiated at 308 nm. Five bands near 823.2, 1061.1, 1248.4, 1309.2, and 1359.6 cm-1 were observed and assigned to the gauche-conformer of chloromethyl hydroperoxide (CMHP, CH2ClOOH). At a later time of the reaction, absorption bands of H2O and formyl chloride (CHClO) at 1782.9 cm-1 were observed; these species were likely produced from the secondary reactions of CH2ClO + O2→ CHClO + HO2 and OH + HCl → H2O + Cl according to temporal profiles of CMHP, H2O, and CHClO; formation of CH2ClO + OH via decomposition of internally excited CMHP was predicted by theory and both HCl and O2 are major species in the system. We investigated also the rate coefficient of the reaction CH2OO + HCl on probing CH2OO with a continuous-wave infrared quantum-cascade laser absorption system under total pressure 5.2-8.2 torr at 298 K. The rate coefficient kHCl = (4.8 ± 0.4) × 10-11 cm3 molecule-1 s-1, is comparable to the only literature value kHCl = (4.6 ± 1.0) × 10-11 cm3 molecule-1 s-1 reported by Foreman et al.
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Affiliation(s)
- Wei-Che Liang
- Department of Applied Chemistry and Institute of Molecular Science, National Yang Ming Chiao Tung University, Hsinchu 300093, Taiwan.
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30
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Vansco MF, Caravan RL, Pandit S, Zuraski K, Winiberg FAF, Au K, Bhagde T, Trongsiriwat N, Walsh PJ, Osborn DL, Percival CJ, Klippenstein SJ, Taatjes CA, Lester MI. Formic acid catalyzed isomerization and adduct formation of an isoprene-derived Criegee intermediate: experiment and theory. Phys Chem Chem Phys 2020; 22:26796-26805. [PMID: 33211784 DOI: 10.1039/d0cp05018k] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Isoprene is the most abundant non-methane hydrocarbon emitted into the Earth's atmosphere. Ozonolysis is an important atmospheric sink for isoprene, which generates reactive carbonyl oxide species (R1R2C[double bond, length as m-dash]O+O-) known as Criegee intermediates. This study focuses on characterizing the catalyzed isomerization and adduct formation pathways for the reaction between formic acid and methyl vinyl ketone oxide (MVK-oxide), a four-carbon unsaturated Criegee intermediate generated from isoprene ozonolysis. syn-MVK-oxide undergoes intramolecular 1,4 H-atom transfer to form a substituted vinyl hydroperoxide intermediate, 2-hydroperoxybuta-1,3-diene (HPBD), which subsequently decomposes to hydroxyl and vinoxylic radical products. Here, we report direct observation of HPBD generated by formic acid catalyzed isomerization of MVK-oxide under thermal conditions (298 K, 10 torr) using multiplexed photoionization mass spectrometry. The acid catalyzed isomerization of MVK-oxide proceeds by a double hydrogen-bonded interaction followed by a concerted H-atom transfer via submerged barriers to produce HPBD and regenerate formic acid. The analogous isomerization pathway catalyzed with deuterated formic acid (D2-formic acid) enables migration of a D atom to yield partially deuterated HPBD (DPBD), which is identified by its distinct mass (m/z 87) and photoionization threshold. In addition, bimolecular reaction of MVK-oxide with D2-formic acid forms a functionalized hydroperoxide adduct, which is the dominant product channel, and is compared to a previous bimolecular reaction study with normal formic acid. Complementary high-level theoretical calculations are performed to further investigate the reaction pathways and kinetics.
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Affiliation(s)
- Michael F Vansco
- Department of Chemistry, University of Pennsylvania, Philadelphia, PA 19104-6323, USA.
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31
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Chhantyal-Pun R, Khan MAH, Taatjes CA, Percival CJ, Orr-Ewing AJ, Shallcross DE. Criegee intermediates: production, detection and reactivity. INT REV PHYS CHEM 2020. [DOI: 10.1080/0144235x.2020.1792104] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
| | | | - Craig A. Taatjes
- Combustion Research Facility, Sandia National Laboratories, Livermore, CA, USA
| | - Carl J. Percival
- Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, USA
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32
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Affiliation(s)
- Carlos Cabezas
- Instituto de Física Fundamental (IFF-CSIC), Group of Molecular Astrophysics, Madrid, Spain
| | | | - Yasuki Endo
- Department of Applied Chemistry, National Chiao Tung University, Hsinchu, Taiwan
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33
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Lei X, Wang W, Gao J, Wang S, Wang W. Atmospheric Chemistry of Enols: The Formation Mechanisms of Formic and Peroxyformic Acids in Ozonolysis of Vinyl Alcohol. J Phys Chem A 2020; 124:4271-4279. [PMID: 32369366 DOI: 10.1021/acs.jpca.0c01480] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Vinyl alcohol (VA), for a long time, is thought to be a missing source of formic acid (FA) in the atmospheric models. However, a recent study has shown that FA is just a byproduct in the OH-initiated oxidation of VA, which stimulates investigation on the other sinks of VA in the atmosphere. In this study, the detailed ozonolysis mechanism of VA was investigated theoretically for the first time. The results show that two primary ozonides (syn- and anti-POZ) can be formed in the ozonolysis of VA and that FA coupled with the simplest Criegee intermediate (CH2OO) can be produced as the main nascent products. Thus, the ozonolysis of VA is predicted to be a more efficient process to produce FA in the atmosphere compared with its OH-initiated oxidation. Moreover, it is found that the syn-POZ can directly decompose to peroxyformic acid plus formaldehyde, breaking the known "Criegee mechanism" to form carbonyl oxide with carbonyl compound. This special mechanism by providing a new source of peroxy acids in the atmosphere enriches the atmospheric chemistry of enols. The atmospheric lifetime of VA by ozonolysis is predicted to be 30 h, comparable with its prevalent reaction with the OH radical. Therefore, the obtained theoretical results can be usefully incorporated into a future modeling study of enols.
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Affiliation(s)
- Xiaoyang Lei
- Key Laboratory for Macromolecular Science of Shaanxi Province, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an 710119, Shaanxi, China
| | - Weina Wang
- Key Laboratory for Macromolecular Science of Shaanxi Province, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an 710119, Shaanxi, China
| | - Jiemiao Gao
- Key Laboratory for Macromolecular Science of Shaanxi Province, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an 710119, Shaanxi, China
| | - Sainan Wang
- State Key Laboratory of Organic Geochemistry and Guangdong Key Laboratory of Environmental Protection and Resources Utilization, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, Guangdong, China
| | - Wenliang Wang
- Key Laboratory for Macromolecular Science of Shaanxi Province, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an 710119, Shaanxi, China
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34
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Peltola J, Seal P, Inkilä A, Eskola A. Time-resolved, broadband UV-absorption spectrometry measurements of Criegee intermediate kinetics using a new photolytic precursor: unimolecular decomposition of CH 2OO and its reaction with formic acid. Phys Chem Chem Phys 2020; 22:11797-11808. [PMID: 32347242 DOI: 10.1039/d0cp00302f] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
We present a time-resolved broadband cavity-enhanced UV-absorption spectrometer apparatus that we have constructed and utilized for temperature- and pressure-dependent kinetic measurements of formaldehyde oxide (CH2OO) reactions. We also introduce and utilize a new photolytic precursor, bromoiodomethane (CH2IBr), which photolysis at 213 nm in presence of O2 produces CH2OO. Importantly, this precursor appears to be free from secondary reactions that may regenerate CH2OO in kinetic experiments. The unimolecular decomposition rate coefficient of CH2OO has been measured over wide pressure (5-400 Torr) and temperature (296-600 K) ranges and master equation simulations of the decomposition kinetics have been performed using MESMER program. The MESMER simulations of the experimental data with the calculated zero-point energy corrected transition state energy 85.9 kJ mol-1 for decomposition required no adjustment and returned 〈ΔE〉down = 123.2 × (T/298 K)0.74 cm-1 for temperature-dependent exponential-down model of the collisional energy transfer in He. A very good agreement between results of simulations and experiments is obtained. The results are compared with the previously reported unimolecular decomposition study by Stone et al. (Phys. Chem. Chem. Phys., 2018, 20, 24940-24954). Current master equation simulations suggest about 61% decomposition yield for the predominant H2 + CO2 channel, whereas the yields of two other channels, H2O + CO, and HCO + OH, are sensitive on the parameters involved in the simulations. The kinetics of CH2OO reaction with formic acid has also been investigated as function of pressure (5-150 Torr) and temperature (296-458 K). The bimolecular rate coefficient for CH2OO + HCOOH reaction shows a negative temperature dependency, decreasing from (1.0 ± 0.03) × 10-10 cm3 molecule-1 s-1 at 296 K to (0.47 ± 0.05) × 10-10 cm3 molecule-1 s-1 at 458 K with an Arrhenius activation energy of -4.9 ± 1.6 kJ mol-1, where statistical uncertainties shown are 2σ. Estimated overall uncertainty in the measured rate coefficients is about ±20%. Current bimolecular rate coefficient at room temperature agrees with the previously reported rate coefficients from the direct kinetic experiments. The reaction is found to be pressure independent over the range between 5 and 150 Torr at 296 K in He.
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Affiliation(s)
- Jari Peltola
- Department of Chemistry, University of Helsinki, P.O. Box 55 (A.I. Virtasen aukio 1), FI-00014, Helsinki, Finland.
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35
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Vansco MF, Caravan RL, Zuraski K, Winiberg FAF, Au K, Trongsiriwat N, Walsh PJ, Osborn DL, Percival CJ, Khan MAH, Shallcross DE, Taatjes CA, Lester MI. Experimental Evidence of Dioxole Unimolecular Decay Pathway for Isoprene-Derived Criegee Intermediates. J Phys Chem A 2020; 124:3542-3554. [PMID: 32255634 DOI: 10.1021/acs.jpca.0c02138] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Ozonolysis of isoprene, one of the most abundant volatile organic compounds emitted into the Earth's atmosphere, generates two four-carbon unsaturated Criegee intermediates, methyl vinyl ketone oxide (MVK-oxide) and methacrolein oxide (MACR-oxide). The extended conjugation between the vinyl substituent and carbonyl oxide groups of these Criegee intermediates facilitates rapid electrocyclic ring closures that form five-membered cyclic peroxides, known as dioxoles. This study reports the first experimental evidence of this novel decay pathway, which is predicted to be the dominant atmospheric sink for specific conformational forms of MVK-oxide (anti) and MACR-oxide (syn) with the vinyl substituent adjacent to the terminal O atom. The resulting dioxoles are predicted to undergo rapid unimolecular decay to oxygenated hydrocarbon radical products, including acetyl, vinoxy, formyl, and 2-methylvinoxy radicals. In the presence of O2, these radicals rapidly react to form peroxy radicals (ROO), which quickly decay via carbon-centered radical intermediates (QOOH) to stable carbonyl products that were identified in this work. The carbonyl products were detected under thermal conditions (298 K, 10 Torr He) using multiplexed photoionization mass spectrometry (MPIMS). The main products (and associated relative abundances) originating from unimolecular decay of anti-MVK-oxide and subsequent reaction with O2 are formaldehyde (88 ± 5%), ketene (9 ± 1%), and glyoxal (3 ± 1%). Those identified from the unimolecular decay of syn-MACR-oxide and subsequent reaction with O2 are acetaldehyde (37 ± 7%), vinyl alcohol (9 ± 1%), methylketene (2 ± 1%), and acrolein (52 ± 5%). In addition to the stable carbonyl products, the secondary peroxy chemistry also generates OH or HO2 radical coproducts.
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Affiliation(s)
- Michael F Vansco
- Department of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania 19104-6323, United States
| | - Rebecca L Caravan
- NASA Postdoctoral Program, NASA Jet Propulsion Laboratory, California Institute of Technology, 4800 Oak Grove Drive, Pasadena, California 91109, United States.,Combustion Research Facility, Sandia National Laboratories, Mailstop 9055, Livermore, California 94551, United States.,Chemical Sciences and Engineering Division, Argonne National Laboratory, Lemont, Illinois 60439, United States
| | - Kristen Zuraski
- NASA Postdoctoral Program, NASA Jet Propulsion Laboratory, California Institute of Technology, 4800 Oak Grove Drive, Pasadena, California 91109, United States
| | - Frank A F Winiberg
- NASA Jet Propulsion Laboratory, California Institute of Technology, 4800 Oak Grove Drive, Pasadena, California 91109, United States.,California Institute of Technology, Pasadena, California 91125, United States
| | - Kendrew Au
- Combustion Research Facility, Sandia National Laboratories, Mailstop 9055, Livermore, California 94551, United States
| | - Nisalak Trongsiriwat
- Department of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania 19104-6323, United States
| | - Patrick J Walsh
- Department of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania 19104-6323, United States
| | - David L Osborn
- Combustion Research Facility, Sandia National Laboratories, Mailstop 9055, Livermore, California 94551, United States
| | - Carl J Percival
- NASA Jet Propulsion Laboratory, California Institute of Technology, 4800 Oak Grove Drive, Pasadena, California 91109, United States.,California Institute of Technology, Pasadena, California 91125, United States
| | - M Anwar H Khan
- School of Chemistry, University of Bristol, Cantock's Close, Bristol BS8 1TS, U.K
| | - Dudley E Shallcross
- School of Chemistry, University of Bristol, Cantock's Close, Bristol BS8 1TS, U.K
| | - Craig A Taatjes
- Combustion Research Facility, Sandia National Laboratories, Mailstop 9055, Livermore, California 94551, United States
| | - Marsha I Lester
- Department of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania 19104-6323, United States
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36
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Direct kinetic measurements and theoretical predictions of an isoprene-derived Criegee intermediate. Proc Natl Acad Sci U S A 2020; 117:9733-9740. [PMID: 32321826 DOI: 10.1073/pnas.1916711117] [Citation(s) in RCA: 52] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
Isoprene has the highest emission into Earth's atmosphere of any nonmethane hydrocarbon. Atmospheric processing of alkenes, including isoprene, via ozonolysis leads to the formation of zwitterionic reactive intermediates, known as Criegee intermediates (CIs). Direct studies have revealed that reactions involving simple CIs can significantly impact the tropospheric oxidizing capacity, enhance particulate formation, and degrade local air quality. Methyl vinyl ketone oxide (MVK-oxide) is a four-carbon, asymmetric, resonance-stabilized CI, produced with 21 to 23% yield from isoprene ozonolysis, yet its reactivity has not been directly studied. We present direct kinetic measurements of MVK-oxide reactions with key atmospheric species using absorption spectroscopy. Direct UV-Vis absorption spectra from two independent flow cell experiments overlap with the molecular beam UV-Vis-depletion spectra reported recently [M. F. Vansco, B. Marchetti, M. I. Lester, J. Chem. Phys. 149, 44309 (2018)] but suggest different conformer distributions under jet-cooled and thermal conditions. Comparison of the experimental lifetime herein with theory indicates only the syn-conformers are observed; anti-conformers are calculated to be removed much more rapidly via unimolecular decay. We observe experimentally and predict theoretically fast reaction of syn-MVK-oxide with SO2 and formic acid, similar to smaller alkyl-substituted CIs, and by contrast, slow removal in the presence of water. We determine products through complementary multiplexed photoionization mass spectrometry, observing SO3 and identifying organic hydroperoxide formation from reaction with SO2 and formic acid, respectively. The tropospheric implications of these reactions are evaluated using a global chemistry and transport model.
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37
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Cabezas C, Endo Y. Observation of hydroperoxyethyl formate from the reaction between the methyl Criegee intermediate and formic acid. Phys Chem Chem Phys 2020; 22:446-454. [DOI: 10.1039/c9cp05030b] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The hydroperoxide ester, hydroperoxyethyl formate, has been characterized as the nascent reaction product obtained from the reaction of the Criegee intermediate, CH3CHOO, and formic acid.
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Affiliation(s)
- Carlos Cabezas
- Department of Applied Chemistry
- Science Building II
- National Chiao Tung University
- Hsinchu 30010
- Taiwan
| | - Yasuki Endo
- Department of Applied Chemistry
- Science Building II
- National Chiao Tung University
- Hsinchu 30010
- Taiwan
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38
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Cai J, Lu Y, Wang W, Chen L, Liu F, Wang W. Reaction mechanism and kinetics of Criegee intermediate CH2OO with CH2 = C(CH3)CHO. COMPUT THEOR CHEM 2019. [DOI: 10.1016/j.comptc.2019.112644] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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39
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Huang C, Yang B, Zhang F. Calculation of the absolute photoionization cross-sections for C1-C4 Criegee intermediates and vinyl hydroperoxides. J Chem Phys 2019; 150:164305. [PMID: 31042918 DOI: 10.1063/1.5088408] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
Criegee Intermediates (CIs) and their isomer Vinyl Hydroperoxides (VHPs) are crucial intermediates in the ozonolysis of alkenes. To better understand the underlying chemistry of CIs and VHPs, progress has been made to detect and identify them by photoionization mass spectrometric experiments. Further reliable quantitative information about these elusive intermediates requires their photoionization cross sections. The present work systematically investigated the near-threshold absolute photoionization cross-sections for ten C1-C4 CIs and VHPs, i.e., formaldehyde oxide (CH2OO), acetaldehyde oxide (syn-/anti-CH3CHOO), acetone oxide ((CH3)2COO), syn-CH3-anti-(cis-CH=CH2)COO, syn-CH3-anti-(trans-CH=CH2)COO and vinyl hydroperoxide (CH2CHOOH), 2-hydroperoxypropene (CH2=C(CH3)OOH), syn-CH2 = anti-(cis-CH=CH2)-COOH, syn-CH2 = anti-(trans-CH=CH2)COOH. The adiabatic ionization energies (AIEs) were calculated at the DLPNO-CCSD(T)/CBS level with uncertainties of less than 0.05 eV. The calculated AIEs for C1-C4 CIs and VHPs vary from 8.75 to 10.0 eV with the AIEs decreasing as the substitutions increase. Franck-Condon factors were calculated with the double Duschinsky approximation and the ionization spectra were obtained based on the calculated ionization energies. Pure electronic photoionization cross sections are calculated by the frozen-core Hartree-Fock (FCHF) approximation. The final determined absolute cross sections are around 4.5-6 Mb for the first and second ionization of CIs and 15-25 Mb for VHPs. It is found that the addition of a methyl group or an unsaturated vinyl substitution for the CIs does not substantially change the absolute value of their cross sections.
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Affiliation(s)
- Can Huang
- Center for Combustion Energy and Key Laboratory for Thermal Science and Power Engineering of MOE, Tsinghua University, Beijing 100084, People's Republic of China
| | - Bin Yang
- Center for Combustion Energy and Key Laboratory for Thermal Science and Power Engineering of MOE, Tsinghua University, Beijing 100084, People's Republic of China
| | - Feng Zhang
- National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei, Anhui 230029, People's Republic of China
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40
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Lin X, Meng Q, Feng B, Zhai Y, Li Y, Yu Y, Li Z, Shan X, Liu F, Zhang L, Sheng L. Theoretical Study on Criegee Intermediate's Role in Ozonolysis of Acrylic Acid. J Phys Chem A 2019; 123:1929-1936. [PMID: 30811197 DOI: 10.1021/acs.jpca.8b11671] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Criegee intermediates have raised much attention in atmospheric chemistry because of their significance in ozonolysis mechanism. The simplest Criegee intermediate, CH2OO, and its reactions with acrylic acid including cycloadditions and insertions as main entrance channels have been investigated at CCSD(T)/cc-pVTZ//M06-2X/6-31G(d,p) level. Temperature- and pressure-dependent kinetics were predicted by solving the time-dependent master equations based on Rice-Ramsperger-Kassel-Marcus theory using MESS program, with temperatures from 200 to 500 K and pressures from 0.001 to 1000 atm. Variational transition state theory (VTST) was used for barrierless pathways and conventional transition state theory (CTST) for pathways with distinct barriers. Results indicate that hydroperoxymethyl acrylate is the dominant product under atmospheric conditions. The combination of two reactants will reduce the volatility and makes a possible factor that induces formation of secondary organic aerosols, which suggests CH2OO's entangled role in ever-increasing air pollution.
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Affiliation(s)
- Xuan Lin
- National Synchrotron Radiation Laboratory , University of Science and Technology of China , Hefei , Anhui 230026 , China
| | - Qinghui Meng
- National Synchrotron Radiation Laboratory , University of Science and Technology of China , Hefei , Anhui 230026 , China
| | - Beibei Feng
- National Synchrotron Radiation Laboratory , University of Science and Technology of China , Hefei , Anhui 230026 , China
| | - Yitong Zhai
- National Synchrotron Radiation Laboratory , University of Science and Technology of China , Hefei , Anhui 230026 , China
| | - Yanbo Li
- National Synchrotron Radiation Laboratory , University of Science and Technology of China , Hefei , Anhui 230026 , China
| | - Yepeng Yu
- National Synchrotron Radiation Laboratory , University of Science and Technology of China , Hefei , Anhui 230026 , China
| | - Zhaohui Li
- National Synchrotron Radiation Laboratory , University of Science and Technology of China , Hefei , Anhui 230026 , China
| | - Xiaobin Shan
- National Synchrotron Radiation Laboratory , University of Science and Technology of China , Hefei , Anhui 230026 , China
| | - Fuyi Liu
- National Synchrotron Radiation Laboratory , University of Science and Technology of China , Hefei , Anhui 230026 , China
| | - Lidong Zhang
- National Synchrotron Radiation Laboratory , University of Science and Technology of China , Hefei , Anhui 230026 , China
| | - Liusi Sheng
- National Synchrotron Radiation Laboratory , University of Science and Technology of China , Hefei , Anhui 230026 , China
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41
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Taatjes CA, Khan MAH, Eskola AJ, Percival CJ, Osborn DL, Wallington TJ, Shallcross DE. Reaction of Perfluorooctanoic Acid with Criegee Intermediates and Implications for the Atmospheric Fate of Perfluorocarboxylic Acids. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2019; 53:1245-1251. [PMID: 30589541 DOI: 10.1021/acs.est.8b05073] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/17/2023]
Abstract
The reaction of perfluorooctanoic acid with the smallest carbonyl oxide Criegee intermediate, CH2OO, has been measured and is very rapid, with a rate coefficient of (4.9 ± 0.8) × 10-10 cm3 s-1, similar to that for reactions of Criegee intermediates with other organic acids. Evidence is shown for the formation of hydroperoxymethyl perfluorooctanoate as a product. With such a large rate coefficient, reaction with Criegee intermediates can be a substantial contributor to atmospheric removal of perfluorocarboxylic acids. However, the atmospheric fates of the ester product largely regenerate the initial acid reactant. Wet deposition regenerates the perfluorocarboxylic acid via condensed-phase hydrolysis. Gas-phase reaction with OH is expected principally to result in formation of the acid anhydride, which also hydrolyzes to regenerate the acid, although a minor channel could lead to destruction of the perfluorinated backbone.
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Affiliation(s)
- Craig A Taatjes
- Combustion Research Facility, Mail Stop 9055 , Sandia National Laboratories, Livermore , California 94551-0969 United States
| | - M Anwar H Khan
- School of Chemistry , The University of Bristol , Cantock's Close BS8 1TS , Bristol , U.K
| | - Arkke J Eskola
- Combustion Research Facility, Mail Stop 9055 , Sandia National Laboratories, Livermore , California 94551-0969 United States
- Department of Chemistry , University of Helsinki , P.O. Box 55 (A.I. Virtasen aukio 1) , FI-00014 Helsinki , Finland
| | - Carl J Percival
- The Centre for Atmospheric Science, The School of Earth, Atmospheric and Environmental Science , The University of Manchester , Simon Building, Brunswick Street , Manchester , M13 9PL , U.K
- Jet Propulsion Laboratory , California Institute of Technology , 4800 Oak Grove Drive , Pasadena , California 91109 United States
| | - David L Osborn
- Combustion Research Facility, Mail Stop 9055 , Sandia National Laboratories, Livermore , California 94551-0969 United States
| | - Timothy J Wallington
- Research & Advanced Engineering , Ford Motor Company , Dearborn , Michigan 48121 United States
| | - Dudley E Shallcross
- School of Chemistry , The University of Bristol , Cantock's Close BS8 1TS , Bristol , U.K
- Department of Chemistry , University of the Western Cape , Robert Sobukwe Road , Bellville 7535 , South Africa
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42
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Chung CA, Su JW, Lee YP. Detailed mechanism and kinetics of the reaction of Criegee intermediate CH2OO with HCOOH investigated via infrared identification of conformers of hydroperoxymethyl formate and formic acid anhydride. Phys Chem Chem Phys 2019; 21:21445-21455. [DOI: 10.1039/c9cp04168k] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Infrared spectra of hydroperoxymethyl formate indicate that the open-form conformer decomposes to formic-acid anhydride, but the hydrogen-bonded one does not.
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Affiliation(s)
- Chen-An Chung
- Department of Applied Chemistry and Institute of Molecular Science
- National Chiao Tung University
- Hsinchu 30010
- Taiwan
| | - Jou Wei Su
- Department of Applied Chemistry and Institute of Molecular Science
- National Chiao Tung University
- Hsinchu 30010
- Taiwan
| | - Yuan-Pern Lee
- Department of Applied Chemistry and Institute of Molecular Science
- National Chiao Tung University
- Hsinchu 30010
- Taiwan
- Center for Emergent Functional Matter Science
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43
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Rousso AC, Hansen N, Jasper AW, Ju Y. Identification of the Criegee intermediate reaction network in ethylene ozonolysis: impact on energy conversion strategies and atmospheric chemistry. Phys Chem Chem Phys 2019; 21:7341-7357. [DOI: 10.1039/c9cp00473d] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The reaction network of the simplest Criegee intermediate (CI) CH2OO has been studied experimentally during the ozonolysis of ethylene.
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Affiliation(s)
- Aric C. Rousso
- Department of Mechanical and Aerospace Engineering
- Princeton University
- USA
| | - Nils Hansen
- Combustion Research Facility
- Sandia National Laboratories
- Livermore
- USA
| | - Ahren W. Jasper
- Chemical Sciences and Engineering Division
- Argonne National Laboratory
- Lemont
- USA
| | - Yiguang Ju
- Department of Mechanical and Aerospace Engineering
- Princeton University
- USA
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44
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Sun C, Xu B, Lv L, Zhang S. Theoretical investigation on the reaction mechanism and kinetics of a Criegee intermediate with ethylene and acetylene. Phys Chem Chem Phys 2019; 21:16583-16590. [DOI: 10.1039/c9cp02644d] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The competition among the possible pathways, the branching ratios of the adduct and the decomposition products at different temperatures and pressures have been evaluated.
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Affiliation(s)
- Cuihong Sun
- College of Chemical Engineering
- Shijiazhuang University
- Shijiazhuang
- P. R. China
| | - Baoen Xu
- College of Chemical Engineering
- Shijiazhuang University
- Shijiazhuang
- P. R. China
| | - Liqiang Lv
- College of Chemical Engineering
- Shijiazhuang University
- Shijiazhuang
- P. R. China
| | - Shaowen Zhang
- School of Chemistry and Chemical Engineering
- Key Laboratory of Cluster Science of Ministry of Education
- Beijing Institute of Technology
- South Zhongguancun Street #5
- Beijing
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45
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Cabezas C, Endo Y. The Criegee intermediate-formic acid reaction explored by rotational spectroscopy. Phys Chem Chem Phys 2019; 21:18059-18064. [DOI: 10.1039/c9cp03001h] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Products resulting from the reaction between the Criegee intermediate, CH2OO, and formic acid are characterized by rotational spectroscopy.
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Affiliation(s)
- Carlos Cabezas
- Department of Applied Chemistry
- Science Building II
- National Chiao Tung University
- Hsinchu 30010
- Taiwan
| | - Yasuki Endo
- Department of Applied Chemistry
- Science Building II
- National Chiao Tung University
- Hsinchu 30010
- Taiwan
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46
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Watson NAI, Black JA, Stonelake TM, Knowles PJ, Beames JM. An Extended Computational Study of Criegee Intermediate-Alcohol Reactions. J Phys Chem A 2018; 123:218-229. [PMID: 30507197 DOI: 10.1021/acs.jpca.8b09349] [Citation(s) in RCA: 38] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
High-level ab initio calculations (DF-LCCSD(T)-F12a//B3LYP/aug-cc-pVTZ) are performed on a range of stabilized Criegee intermediate (sCI)-alcohol reactions, computing reaction coordinate energies, leading to the formation of α-alkoxyalkyl hydroperoxides (AAAHs). These potential energy surfaces are used to model bimolecular reaction kinetics over a range of temperatures. The calculations performed in this work reproduce the complicated temperature-dependent reaction rates of CH2OO and (CH3)2COO with methanol, which have previously been experimentally determined. This methodology is then extended to compute reaction rates of 22 different Criegee intermediates with methanol, including several intermediates derived from isoprene ozonolysis. In some cases, sCI-alcohol reaction rates approach those of sCI-(H2O)2. This suggests that in regions with elevated alcohol concentrations, such as urban Brazil, these reactions may generate significant quantities of AAAHs and may begin to compete with sCI reactions with other trace tropospheric pollutants such as SO2. This work also demonstrates the ability of alcohols to catalyze the 1,4-H transfer unimolecular decomposition of α-methyl substituted sCIs.
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Affiliation(s)
- Nathan A I Watson
- School of Chemistry , Cardiff University , Main Building, Park Pl , Cardiff CF10 3AT , United Kingdom
| | - Joshua A Black
- School of Chemistry , Cardiff University , Main Building, Park Pl , Cardiff CF10 3AT , United Kingdom
| | - Thomas M Stonelake
- School of Chemistry , Cardiff University , Main Building, Park Pl , Cardiff CF10 3AT , United Kingdom
| | - Peter J Knowles
- School of Chemistry , Cardiff University , Main Building, Park Pl , Cardiff CF10 3AT , United Kingdom
| | - Joseph M Beames
- School of Chemistry , Cardiff University , Main Building, Park Pl , Cardiff CF10 3AT , United Kingdom
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47
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Zhang T, Lan X, Wang R, Roy S, Qiao Z, Lu Y, Wang Z. The catalytic effects of H2CO3, CH3COOH, HCOOH and H2O on the addition reaction of CH2OO + H2O → CH2(OH)OOH. Mol Phys 2018. [DOI: 10.1080/00268976.2018.1454612] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Affiliation(s)
- Tianlei Zhang
- Shaanxi Key Laboratory of Catalysis, School of Chemical & Environment Science, Shaanxi University of Technology, Hanzhong, P. R. China
| | - Xinguang Lan
- Shaanxi Key Laboratory of Catalysis, School of Chemical & Environment Science, Shaanxi University of Technology, Hanzhong, P. R. China
| | - Rui Wang
- Shaanxi Key Laboratory of Catalysis, School of Chemical & Environment Science, Shaanxi University of Technology, Hanzhong, P. R. China
| | - Soumendra Roy
- Shaanxi Key Laboratory of Catalysis, School of Chemical & Environment Science, Shaanxi University of Technology, Hanzhong, P. R. China
| | - Zhangyu Qiao
- Shaanxi Key Laboratory of Catalysis, School of Chemical & Environment Science, Shaanxi University of Technology, Hanzhong, P. R. China
| | - Yousong Lu
- Shaanxi Key Laboratory of Catalysis, School of Chemical & Environment Science, Shaanxi University of Technology, Hanzhong, P. R. China
| | - Zhuqing Wang
- Analytical and Testing Center, Sichuan University of Science & Engineering, Zigong, P. R. China
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48
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Li Y, Gong Q, Yue L, Wang W, Liu F. Photochemistry of the Simplest Criegee Intermediate, CH 2OO: Photoisomerization Channel toward Dioxirane Revealed by CASPT2 Calculations and Trajectory Surface-Hopping Dynamics. J Phys Chem Lett 2018; 9:978-981. [PMID: 29420035 DOI: 10.1021/acs.jpclett.8b00023] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
The photochemistry of Criegee intermediates plays a significant role in atmospheric chemistry, but it is relatively less explored compared with their thermal reactions. Using multireference CASPT2 electronic structure calculations and CASSCF trajectory surface-hopping molecular dynamics, we have revealed a dark-state-involved A1A → X1A photoisomerization channel of the simple Criegee intermediate (CH2OO) that leads to a cyclic dioxirane. The excited molecules on the A1A state, which can have either originated from the B1A state via B1A → A1A internal conversion or formed by state-selective electronic excitation, is driven by the out-of-plane motion toward a perpendicular A/X1A minimal-energy crossing point (MECI) then radiationless decay to the ground state with an average time constant of ∼138 fs, finally forming dioxirane at ∼254 fs. The dynamics starting from the A1A state show that the quantum yield of photoisomerization from the simple Criegee intermediate to dioxirane is 38%. The finding of the A1A → X1A photoisomerization channel is expected to broaden the reactivity profile and deepen the understanding of the photochemistry of Criegee intermediates.
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Affiliation(s)
- Yazhen Li
- Key Laboratory for Macromolecular Science of Shaanxi Province, School of Chemistry & Chemical Engineering, Shaanxi Normal University , Xi'an, Shaanxi 710062, People's Republic of China
| | - Qianqian Gong
- Key Laboratory for Macromolecular Science of Shaanxi Province, School of Chemistry & Chemical Engineering, Shaanxi Normal University , Xi'an, Shaanxi 710062, People's Republic of China
| | - Ling Yue
- School of Sciences, Xi'an Jiaotong University , Xi'an, Shaanxi 710049, People's Republic of China
| | - Wenliang Wang
- Key Laboratory for Macromolecular Science of Shaanxi Province, School of Chemistry & Chemical Engineering, Shaanxi Normal University , Xi'an, Shaanxi 710062, People's Republic of China
| | - Fengyi Liu
- Key Laboratory for Macromolecular Science of Shaanxi Province, School of Chemistry & Chemical Engineering, Shaanxi Normal University , Xi'an, Shaanxi 710062, People's Republic of China
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49
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Grambow CA, Jamal A, Li YP, Green WH, Zádor J, Suleimanov YV. Unimolecular Reaction Pathways of a γ-Ketohydroperoxide from Combined Application of Automated Reaction Discovery Methods. J Am Chem Soc 2018; 140:1035-1048. [DOI: 10.1021/jacs.7b11009] [Citation(s) in RCA: 59] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Affiliation(s)
- Colin A. Grambow
- Department
of Chemical Engineering, Massachusetts Institute of Technology, 77 Massachusetts Ave., Cambridge, Massachusetts 02139, United States
| | - Adeel Jamal
- Department
of Chemical Engineering, Massachusetts Institute of Technology, 77 Massachusetts Ave., Cambridge, Massachusetts 02139, United States
| | - Yi-Pei Li
- Department
of Chemical Engineering, Massachusetts Institute of Technology, 77 Massachusetts Ave., Cambridge, Massachusetts 02139, United States
| | - William H. Green
- Department
of Chemical Engineering, Massachusetts Institute of Technology, 77 Massachusetts Ave., Cambridge, Massachusetts 02139, United States
| | - Judit Zádor
- Combustion
Research Facility, Sandia National Laboratories, 7011 East Ave., Livermore, California 94551, United States
| | - Yury V. Suleimanov
- Computation-based
Science and Technology Research Center, Cyprus Institute, 20
Kavafi Str., Nicosia 2121, Cyprus
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50
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Lin YH, Takahashi K, Lin JJM. Reactivity of Criegee Intermediates toward Carbon Dioxide. J Phys Chem Lett 2018; 9:184-188. [PMID: 29254332 DOI: 10.1021/acs.jpclett.7b03154] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Recent theoretical work by Kumar and Francisco suggested that the high reactivity of Criegee intermediates (CIs) could be utilized for designing efficient carbon capture technologies. Because the anti-CH3CHOO + CO2 reaction has the lowest barrier in their study, we chose to investigate it experimentally. We probed anti-CH3CHOO with its strong UV absorption at 365 nm and measured the rate coefficient to be ≤2 × 10-17 cm3 molecule-1 s-1 at 298 K, which is consistent with our theoretical value of 2.1 × 10-17 cm3 molecule-1 s-1 at the QCISD(T)/CBS//B3LYP/6-311+G(2d,2p) level but inconsistent with their results obtained at the M06-2X/aug-cc-pVTZ level, which tends to underestimate the barrier heights. The experimental result indicates that the reaction of a Criegee intermediate with atmospheric CO2 (400 ppmv) would be inefficient (keff < 0.2 s-1) and cannot compete with other decay processes of Criegee intermediates like reactions with water vapor (∼103 s-1) or thermal decomposition (∼102 s-1).
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Affiliation(s)
- Yen-Hsiu Lin
- Institute of Atomic and Molecular Sciences, Academia Sinica , Taipei 10617, Taiwan
- Department of Chemistry, National Taiwan University , Taipei 10617, Taiwan
| | - Kaito Takahashi
- Institute of Atomic and Molecular Sciences, Academia Sinica , Taipei 10617, Taiwan
| | - Jim Jr-Min Lin
- Institute of Atomic and Molecular Sciences, Academia Sinica , Taipei 10617, Taiwan
- Department of Chemistry, National Taiwan University , Taipei 10617, Taiwan
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