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Bao Y, Liu X, He Z, Shi J. Theoretical study of hydrogen abstraction by HO 2 radicals from primary straight chain amines C nH 2n+1-NH 2 ( n = 1-4). Phys Chem Chem Phys 2023; 25:19943-19951. [PMID: 37458728 DOI: 10.1039/d3cp01676e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/27/2023]
Abstract
Hydrogen abstraction reactions by HO2 radicals from four primary amines including methylamine (MA), ethylamine (EA), n-propylamine (PA), and n-butylamine (BA), are investigated and the effect of the functional group on rate constants at different reaction sites is examined. A hybrid functional BH&HLYP coupled with cc-pVTZ as the basis set is utilized to determine geometry optimizations, frequencies, and connections between transition states and corresponding local minima. By comparing the reaction energies obtained by several density functional theory methods to those obtained using the gold-standard CCSD(T)/CBS(T-Q) method, the M08-HX/maug-cc-pVTZ combination is identified as the best suitable method with a mean unsigned deviation of 0.81 kcal mol-1. This method is then applied to construct the potential energy surface for all the reaction systems. High-pressure limit rate constants at 500-2500 K are calculated through variation transition state theory and conventional transition state theory, including a one-dimensional hindered rotor treatment and asymmetrical Eckart tunneling correction. The branching ratio analysis suggests that the hydrogen abstraction at the C site adjacent to the NH2 functional group (α reaction site) dominates the reactions. Linear Bell-Evans-Polanyi and Bell-Evans correlations are observed for the hydrogen abstractions at the C reaction sites. Furthermore, a scheme to estimate the rate constants for the CnH2n+1-NH2 + HO2 reaction system is presented.
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Affiliation(s)
- Yi Bao
- SiChuan SanLian New Materials Co.,Ltd, China
| | - Xiaoyi Liu
- Chengdu Science and Technology Development Center of CAEP, Chengdu, Sichuan 610207, China.
| | - Zezhou He
- CAS Key Laboratory of Mechanical Behavior and Design of Materials, Department of Modern Mechanics, University of Science and Technology of China, Hefei 230027, China
| | - Jinchun Shi
- Chengdu Science and Technology Development Center of CAEP, Chengdu, Sichuan 610207, China.
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2
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Mohamed SY, Monge-Palacios M, Giri BR, Khaled F, Liu D, Farooq A, Sarathy SM. The Effect of Hydrogen Bonding on the Reactivity of OH Radicals with Prenol and Isoprenol: A Shock Tube and Multi-Structural Torsional Variational Transition State Theory Study. Phys Chem Chem Phys 2022; 24:12601-12620. [DOI: 10.1039/d2cp00737a] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The presence of two functional groups (OH and double bond) in C5 methyl-substituted enols (i.e., isopentenols), such as 3-methyl-2-buten-1-ol (prenol) and 3-methyl-3-buten-1-ol (isoprenol), makes them excellent biofuel candidates as fuel...
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3
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Singh SK, Vuppuluri V, Sun BJ, Chang BY, Eckhardt AK, Son SF, Chang AHH, Kaiser RI. Identification of Elusive Keto and Enol Intermediates in the Photolysis of 1,3,5-Trinitro-1,3,5-Triazinane. J Phys Chem Lett 2021; 12:6062-6069. [PMID: 34169725 DOI: 10.1021/acs.jpclett.1c01610] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Enols have emerged as critical reactive intermediates in combustion processes and in fundamental molecular mass growth processes in the interstellar medium, but the elementary reaction pathways to enols in extreme environments, such as during the decomposition of molecular energetic materials, are still elusive. Here, we report on the original identification of the enol and keto isomers of oxy-s-triazine, as well as its deoxygenated derivative 1,3,5-triazine, formed in the photodecomposition processes of 1,3,5-trinitro-1,3,5-triazinane (RDX)-a molecular energetic material. The identification was facilitated by exploiting isomer-selective tunable photoionization reflectron time-of-flight mass spectrometry (PI-ReTOF-MS) in conjunction with quantum chemical calculations. The present study reports the first experimental evidence of an enol intermediate in the dissociation domain of a nitramine-based energetic material. Our investigations suggest that the enols like 1,3,5-triazine-2-ol could be the source of hydroxyl radicals, and their inclusion in the theoretical models is important to understand the unprecedented chemistry of explosive materials.
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Affiliation(s)
- Santosh K Singh
- Department of Chemistry, University of Hawaii at Manoa, Honolulu, Hawaii 96822, United States
- W. M. Keck Research Laboratory in Astrochemistry, University of Hawaii at Manoa, Honolulu, Hawaii 96822, United States
| | - Vasant Vuppuluri
- Mechanical Engineering, Purdue Energetics Research Center, Purdue University, West Lafayette, Indiana 47907, United States
| | - Bing-Jian Sun
- Department of Chemistry, National Dong Hwa University, Shoufeng, Hualien 974, Taiwan
| | - Bo-Yu Chang
- Department of Chemistry, National Dong Hwa University, Shoufeng, Hualien 974, Taiwan
| | - André K Eckhardt
- Department of Chemistry, MIT, Cambridge, Massachusetts 02139, United States
| | - Steven F Son
- Mechanical Engineering, Purdue Energetics Research Center, Purdue University, West Lafayette, Indiana 47907, United States
| | - Agnes H H Chang
- Department of Chemistry, National Dong Hwa University, Shoufeng, Hualien 974, Taiwan
| | - Ralf I Kaiser
- Department of Chemistry, University of Hawaii at Manoa, Honolulu, Hawaii 96822, United States
- W. M. Keck Research Laboratory in Astrochemistry, University of Hawaii at Manoa, Honolulu, Hawaii 96822, United States
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4
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Sullivan EN, Saric S, Neumark DM. Photodissociation of iso-propoxy (i-C 3H 7O) radical at 248 nm. Phys Chem Chem Phys 2020; 22:17738-17748. [DOI: 10.1039/d0cp02493g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Photodissociation of the i-C3H7O radical is investigated using fast beam photofragment translational spectroscopy.
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Affiliation(s)
- Erin N. Sullivan
- Department of Chemistry
- University of California
- Berkeley
- USA
- Chemical Sciences Division
| | - Steven Saric
- Department of Chemistry
- University of California
- Berkeley
- USA
- Chemical Sciences Division
| | - Daniel M. Neumark
- Department of Chemistry
- University of California
- Berkeley
- USA
- Chemical Sciences Division
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6
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A Trajectory-Based Method to Explore Reaction Mechanisms. Molecules 2018; 23:molecules23123156. [PMID: 30513663 PMCID: PMC6321347 DOI: 10.3390/molecules23123156] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2018] [Revised: 11/23/2018] [Accepted: 11/29/2018] [Indexed: 12/02/2022] Open
Abstract
The tsscds method, recently developed in our group, discovers chemical reaction mechanisms with minimal human intervention. It employs accelerated molecular dynamics, spectral graph theory, statistical rate theory and stochastic simulations to uncover chemical reaction paths and to solve the kinetics at the experimental conditions. In the present review, its application to solve mechanistic/kinetics problems in different research areas will be presented. Examples will be given of reactions involved in photodissociation dynamics, mass spectrometry, combustion chemistry and organometallic catalysis. Some planned improvements will also be described.
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7
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Lei X, Chen D, Wang W, Liu F, Wang W. Quantum chemical studies of the OH-initiated oxidation reactions of propenols in the presence of O2. Mol Phys 2018. [DOI: 10.1080/00268976.2018.1537527] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Affiliation(s)
- Xiaoyang Lei
- Key Laboratory for Macromolecular Science of Shaanxi Province, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi’an, People’s Republic of China
| | - Dongping Chen
- Key Laboratory for Macromolecular Science of Shaanxi Province, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi’an, People’s Republic of China
| | - Weina Wang
- Key Laboratory for Macromolecular Science of Shaanxi Province, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi’an, People’s Republic of China
| | - Fengyi Liu
- Key Laboratory for Macromolecular Science of Shaanxi Province, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi’an, People’s Republic of China
| | - Wenliang Wang
- Key Laboratory for Macromolecular Science of Shaanxi Province, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi’an, People’s Republic of China
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8
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Rodríguez A, Rodríguez‐Fernández R, A. Vázquez S, L. Barnes G, J. P. Stewart J, Martínez‐Núñez E. tsscds2018: A code for automated discovery of chemical reaction mechanisms and solving the kinetics. J Comput Chem 2018; 39:1922-1930. [DOI: 10.1002/jcc.25370] [Citation(s) in RCA: 45] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2018] [Revised: 05/03/2018] [Accepted: 05/11/2018] [Indexed: 01/13/2023]
Affiliation(s)
| | - Roberto Rodríguez‐Fernández
- Departamento de Química Física, Facultade de QuímicaCampus Vida, Universidade de Santiago de Compostela Santiago de Compostela 15782 Spain
| | - Saulo A. Vázquez
- Departamento de Química Física, Facultade de QuímicaCampus Vida, Universidade de Santiago de Compostela Santiago de Compostela 15782 Spain
| | - George L. Barnes
- Department of Chemistry and BiochemistrySiena College 515 Loudon Road, Loudonville New York
| | - James J. P. Stewart
- Stewart Computational Chemistry 15210 Paddington Circle, Colorado Springs Colorado 80921
| | - Emilio Martínez‐Núñez
- Departamento de Química Física, Facultade de QuímicaCampus Vida, Universidade de Santiago de Compostela Santiago de Compostela 15782 Spain
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9
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Chu H, Wu W, Shao Y, Tang Y, Zhang Y, Cheng Y, Chen F, Liu J, Sun J. A quantum theory investigation on atmospheric oxidation mechanisms of acrylic acid by OH radical and its implication for atmospheric chemistry. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2018; 25:24939-24950. [PMID: 29931646 DOI: 10.1007/s11356-018-2561-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/02/2018] [Accepted: 06/13/2018] [Indexed: 06/08/2023]
Abstract
The hydroxyl radical, as the most important oxidant, controls the removal of some volatile organic compounds (VOCs) in the atmosphere. In this work, the atmospheric oxidation processes of acrylic acid by OH radical have been investigated by density functional theory (DFT). The energetic routes of the reaction of CH2CHCOOH with OH radical have been calculated accurately at the CCSD(T)/cc-pVTZ//M06-2X/6-311++G(d,p) level. It is implicated that the oxidation has five elementary reaction pathways mostly hinging on how hydroxyl radical approaches to the carbon skeleton of acrylic acid. The atmospheric degradation mechanisms of the CH2CHCOOH by OH radical are the formation of reactive intermediates IM1 and IM2. Meanwhile, the further oxidation mechanisms of IM1 and IM2 by O3 and NO are also investigated. The rate coefficients have been computed using tight transition state theory of the variflex code. The calculated rate coefficient is 2.3 × 10-11 cm3 molecule-1 s-1 at standard pressure and 298 K, which is very close to the laboratory data (1.75 ± 0.47 × 10-11 cm3 molecule-1 s-1). Moreover, the atmospheric lifetime of acrylic acid is about 6 h at 298 K and 1 atm, implying that the fast sinks of acrylic acid by hydroxyl radical.
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Affiliation(s)
- Han Chu
- Hubei Collaborative Innovation Center for Rare Metal Chemistry, Hubei Key Laboratory of Pollutant Analysis & Reuse Technology, College of Chemistry and Chemical Engineering, Hubei Normal University, Cihu Road 11, Huangshi, Hubei, 435002, People's Republic of China
| | - Wenzhong Wu
- College of Foreign Languages, Hubei Normal University, Cihu Road 11, Huangshi, Hubei, 435002, People's Republic of China
| | - Youxiang Shao
- School of Materials Science and Engineering, MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, Sun Yat-sen University, Guangzhou, 510275, People's Republic of China
| | - Yizhen Tang
- School of Environmental and municipal Engineering, Qingdao Technological University, Fushun Road 11, Qingdao, Shandong, 266033, People's Republic of China
| | - Yunju Zhang
- Key Laboratory of Photoinduced Functional Materials, Mianyang Normal University, Mianyang, 621000, People's Republic of China
| | - Yinfang Cheng
- Hubei Collaborative Innovation Center for Rare Metal Chemistry, Hubei Key Laboratory of Pollutant Analysis & Reuse Technology, College of Chemistry and Chemical Engineering, Hubei Normal University, Cihu Road 11, Huangshi, Hubei, 435002, People's Republic of China
| | - Fang Chen
- Hubei Collaborative Innovation Center for Rare Metal Chemistry, Hubei Key Laboratory of Pollutant Analysis & Reuse Technology, College of Chemistry and Chemical Engineering, Hubei Normal University, Cihu Road 11, Huangshi, Hubei, 435002, People's Republic of China
| | - Jiangyan Liu
- Hubei Collaborative Innovation Center for Rare Metal Chemistry, Hubei Key Laboratory of Pollutant Analysis & Reuse Technology, College of Chemistry and Chemical Engineering, Hubei Normal University, Cihu Road 11, Huangshi, Hubei, 435002, People's Republic of China
| | - Jingyu Sun
- Hubei Collaborative Innovation Center for Rare Metal Chemistry, Hubei Key Laboratory of Pollutant Analysis & Reuse Technology, College of Chemistry and Chemical Engineering, Hubei Normal University, Cihu Road 11, Huangshi, Hubei, 435002, People's Republic of China.
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10
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Kawade MN, Srinivas D, Upadhyaya HP. Gas Phase OH Radical Reaction with 2‐Chloroethyl Vinyl Ether in the 256–333 K Temperature Range: A Combined LP‐LIF and Computational Study. ChemistrySelect 2018. [DOI: 10.1002/slct.201800885] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Monali N. Kawade
- Radiation & Photochemistry DivisionBhabha Atomic Research Centre, HBNI, Trombay Mumbai – 400 085 India
| | - Doddipatla Srinivas
- Radiation & Photochemistry DivisionBhabha Atomic Research Centre, HBNI, Trombay Mumbai – 400 085 India
| | - Hari P. Upadhyaya
- Radiation & Photochemistry DivisionBhabha Atomic Research Centre, HBNI, Trombay Mumbai – 400 085 India
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11
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Ferro-Costas D, Martínez-Núñez E, Rodríguez-Otero J, Cabaleiro-Lago E, Estévez CM, Fernández B, Fernández-Ramos A, Vázquez SA. Influence of Multiple Conformations and Paths on Rate Constants and Product Branching Ratios. Thermal Decomposition of 1-Propanol Radicals. J Phys Chem A 2018; 122:4790-4800. [DOI: 10.1021/acs.jpca.8b02949] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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12
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Sun J, Shao Y, Wu W, Tang Y, Zhang Y, Hu Y, Liu J, Yi H, Chen F, Cheng Y. A quantum chemical study on ˙Cl-initiated atmospheric degradation of acrylonitrile. RSC Adv 2017. [DOI: 10.1039/c7ra01521f] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Degradation of acrylonitrile (CH2CHCN) by reaction with atomic chlorine was studied using quantum chemical methods.
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13
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Zhang W, Sun H, Chen W, Zhang Y, Wang F, Tang S, Zhang J, Wang H, Wang R. Mechanistic and kinetic study on the reaction of ozone and trans-2-chlorovinyldichloroarsine. CHEMOSPHERE 2016; 150:329-340. [PMID: 26921586 DOI: 10.1016/j.chemosphere.2016.01.115] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/17/2015] [Revised: 01/27/2016] [Accepted: 01/28/2016] [Indexed: 05/15/2023]
Abstract
Singlet and triplet potential energy surfaces for the atmospheric ozonation of trans-2-chlorovnyldichloroarsine (lewisite) are investigated theoretically. Optimizations of the reactants, products, intermediates and transition states are carried out at the BHandHLYP/6-311+G(d,p) level. Single point energy calculations are performed at the CCSD(T)/6-311+G(d,p) level based on the optimized structures. The detailed mechanism is presented and discussed. Various possible H (or Cl)-abstraction and C (or As)-addition/elimination pathways are considered. The results show that the As-addition/elimination is more energetically favorable than the other mechanisms. Rice-Ramsperger-Kassel-Marcus (RRKM) theory is used to compute the rate constants over the possible atmospheric temperature range of 200-3000 K and the pressure range of 10(-8)-10(9) Torr. The calculated rate constant is in good agreement with the available experimental data. The total rate coefficient shows positive temperature dependence and pressure independence. The modified three-parameter Arrhenius expressions for the total rate coefficient and individual rate coefficients are represented. Calculation results show that major product is CHClCHAs(OOO)Cl2 (s-IM3) at the temperature below 600 K and O2 + CHClCHAsOCl2 (s-P9) play an important role at the temperature between 600 and 3000 K. Time-dependent DFT (TD-DFT) calculations indicate that CHCl(OOO)CHAsCl2 (s-IM3) and CHOAsCl2 (s-P5) can take photolysis easily in the sunlight. Due to the absence of spectral information for arsenide, computational vibrational spectra of the important intermediates and products are also analyzed to provide valuable evidence for subsequent experimental identification.
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Affiliation(s)
- Wanqiao Zhang
- Institute of Functional Material Chemistry, Faculty of Chemistry, National & Local United Engineering Lab for Power Battery, Northeast Normal University, Renmin Road 5268, Changchun, Jilin, 130024, PR China
| | - Hao Sun
- Institute of Functional Material Chemistry, Faculty of Chemistry, National & Local United Engineering Lab for Power Battery, Northeast Normal University, Renmin Road 5268, Changchun, Jilin, 130024, PR China.
| | - Wei Chen
- Institute of Functional Material Chemistry, Faculty of Chemistry, National & Local United Engineering Lab for Power Battery, Northeast Normal University, Renmin Road 5268, Changchun, Jilin, 130024, PR China
| | - Yunju Zhang
- Key Laboratory of Photoinduced Functional Materials, Mianyang Normal University, Mianyang, 621000, PR China
| | - Fengdi Wang
- Institute of Functional Material Chemistry, Faculty of Chemistry, National & Local United Engineering Lab for Power Battery, Northeast Normal University, Renmin Road 5268, Changchun, Jilin, 130024, PR China
| | - Shuwei Tang
- Institute of Functional Material Chemistry, Faculty of Chemistry, National & Local United Engineering Lab for Power Battery, Northeast Normal University, Renmin Road 5268, Changchun, Jilin, 130024, PR China
| | - Jingping Zhang
- Institute of Functional Material Chemistry, Faculty of Chemistry, National & Local United Engineering Lab for Power Battery, Northeast Normal University, Renmin Road 5268, Changchun, Jilin, 130024, PR China
| | - Haitao Wang
- Chemical Defense Research Institute of Beijing, Beijing, 102205, PR China.
| | - Rongshun Wang
- Institute of Functional Material Chemistry, Faculty of Chemistry, National & Local United Engineering Lab for Power Battery, Northeast Normal University, Renmin Road 5268, Changchun, Jilin, 130024, PR China.
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14
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Brynteson MD, Butler LJ. Predicting the effect of angular momentum on the dissociation dynamics of highly rotationally excited radical intermediates. J Chem Phys 2015; 142:054301. [PMID: 25662639 DOI: 10.1063/1.4905776] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
We present a model which accurately predicts the net speed distributions of products resulting from the unimolecular decomposition of rotationally excited radicals. The radicals are produced photolytically from a halogenated precursor under collision-free conditions so they are not in a thermal distribution of rotational states. The accuracy relies on the radical dissociating with negligible energetic barrier beyond the endoergicity. We test the model predictions using previous velocity map imaging and crossed laser-molecular beam scattering experiments that photolytically generated rotationally excited CD2CD2OH and C3H6OH radicals from brominated precursors; some of those radicals then undergo further dissociation to CD2CD2 + OH and C3H6 + OH, respectively. We model the rotational trajectories of these radicals, with high vibrational and rotational energy, first near their equilibrium geometry, and then by projecting each point during the rotation to the transition state (continuing the rotational dynamics at that geometry). This allows us to accurately predict the recoil velocity imparted in the subsequent dissociation of the radical by calculating the tangential velocities of the CD2CD2/C3H6 and OH fragments at the transition state. The model also gives a prediction for the distribution of angles between the dissociation fragments' velocity vectors and the initial radical's velocity vector. These results are used to generate fits to the previously measured time-of-flight distributions of the dissociation fragments; the fits are excellent. The results demonstrate the importance of considering the precession of the angular velocity vector for a rotating radical. We also show that if the initial angular momentum of the rotating radical lies nearly parallel to a principal axis, the very narrow range of tangential velocities predicted by this model must be convoluted with a J = 0 recoil velocity distribution to achieve a good result. The model relies on measuring the kinetic energy release when the halogenated precursor is photodissociated via a repulsive excited state but does not include any adjustable parameters. Even when different conformers of the photolytic precursor are populated, weighting the prediction by a thermal conformer population gives an accurate prediction for the relative velocity vectors of the fragments from the highly rotationally excited radical intermediates.
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Affiliation(s)
- Matthew D Brynteson
- Department of Chemistry and the James Franck Institute, The University of Chicago, Chicago, Illinois 60637, USA
| | - Laurie J Butler
- Department of Chemistry and the James Franck Institute, The University of Chicago, Chicago, Illinois 60637, USA
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15
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Badra J, Khaled F, Giri BR, Farooq A. A shock tube study of the branching ratios of propene + OH reaction. Phys Chem Chem Phys 2015; 17:2421-31. [DOI: 10.1039/c4cp04322g] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Branching ratios of the propene + OH reaction are determined by measuring the rate coefficients of the reaction of OH with propene and five deuterated isotopes of propene.
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Affiliation(s)
- Jihad Badra
- Clean Combustion Research Center
- Division of Physical Sciences and Engineering
- King Abdullah University of Science and Technology (KAUST)
- Thuwal 23955
- Saudi Arabia
| | - Fethi Khaled
- Clean Combustion Research Center
- Division of Physical Sciences and Engineering
- King Abdullah University of Science and Technology (KAUST)
- Thuwal 23955
- Saudi Arabia
| | - Binod Raj Giri
- Clean Combustion Research Center
- Division of Physical Sciences and Engineering
- King Abdullah University of Science and Technology (KAUST)
- Thuwal 23955
- Saudi Arabia
| | - Aamir Farooq
- Clean Combustion Research Center
- Division of Physical Sciences and Engineering
- King Abdullah University of Science and Technology (KAUST)
- Thuwal 23955
- Saudi Arabia
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16
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Zhang Y, Sun J, Zhang W, Tang Y, Wang R. Theoretical study on the gas phase reaction of propargyl alcohol with hydroxyl radical. J Comput Chem 2014; 35:1646-56. [PMID: 24995629 DOI: 10.1002/jcc.23670] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2014] [Revised: 06/03/2014] [Accepted: 06/08/2014] [Indexed: 11/11/2022]
Abstract
The reaction of propargyl alcohol with hydroxyl radical has been studied extensively at CCSD(T)/aug-cc-pVTZ//MP2/cc-pVTZ level. This is the first time to gain a conclusive insight into the reaction mechanism and kinetics for this important reaction in detail. Two reaction mechanisms were revealed, namely addition/elimination and hydrogen abstraction mechanism. The reaction mechanism confirms that OH addition to C≡C triple bond forms the chemically activated adducts, IM1 (·CHCOHCH2OH) and IM2 (CHOH·CCH2OH), and the hydrogen abstraction pathways (-CH2OH bonded to the carbon atom and alcohol hydrogen) may occur via low barriers. Harmonic model of Rice-Ramsperger-Kassel-Marcus theory and variational transition state theory are used to calculate the overall and individual rate constants over a wide range of temperatures and pressures. The calculated rate constants are in good agreement with the experimental data. At atmospheric pressure with Ar as bath gas, IM1 (·CHCOHCH2OH) and IM2 (CHOH·CCH2OH) formed by collisional stabilization are dominant in the low temperature range. The production of CHCCHOH + H2O via hydrogen abstraction becomes dominate at higher temperature. The fraction of IM3 (CH2COHCH2·O) is very significant over the moderate temperature range.
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Affiliation(s)
- Yunju Zhang
- Institute of Functional Material Chemistry, Faculty of Chemistry, Northeast Normal University, Renmin Road 5268, Changchun, Jilin, 130024, People's Republic of China
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17
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Brynteson MD, Womack CC, Booth RS, Lee SH, Lin JJ, Butler LJ. Radical intermediates in the addition of OH to propene: photolytic precursors and angular momentum effects. J Phys Chem A 2014; 118:3211-29. [PMID: 24758210 DOI: 10.1021/jp4108987] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
We investigate the photolytic production of two radical intermediates in the reaction of OH with propene, one from addition of the hydroxyl radical to the terminal carbon and the other from addition to the center carbon. In a collision-free environment, we photodissociate a mixture of 1-bromo-2-propanol and 2-bromo-1-propanol at 193 nm to produce these radical intermediates. The data show two primary photolytic processes occur: C-Br photofission and HBr photoelimination. Using a velocity map imaging apparatus, we measured the speed distribution of the recoiling bromine atoms, yielding the distribution of kinetic energies of the nascent C3H6OH radicals + Br. Resolving the velocity distributions of Br((2)P(1/2)) and Br((2)P(3/2)) separately with 2 + 1 REMPI allows us to determine the total (vibrational + rotational) internal energy distribution in the nascent radicals. Using an impulsive model to estimate the rotational energy imparted to the nascent C3H6OH radicals, we predict the percentage of radicals having vibrational energy above and below the lowest dissociation barrier, that to OH + propene; it accurately predicts the measured velocity distribution of the stable C3H6OH radicals. In addition, we use photofragment translational spectroscopy to detect several dissociation products of the unstable C3H6OH radicals: OH + propene, methyl + acetaldehyde, and ethyl + formaldehyde. We also use the angular momenta of the unstable radicals and the tensor of inertia of each to predict the recoil kinetic energy and angular distributions when they dissociate to OH + propene; the prediction gives an excellent fit to the data.
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Affiliation(s)
- M D Brynteson
- Department of Chemistry and the James Franck Institute, The University of Chicago , Chicago, Illinois 60637, United States
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18
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Zhang Y, Chao K, Sun J, Zhang W, Shi H, Yao C, Su Z, Pan X, Zhang J, Wang R. Theoretical study on the gas phase reaction of allyl chloride with hydroxyl radical. J Chem Phys 2014; 140:084309. [PMID: 24588171 DOI: 10.1063/1.4865937] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
The reaction of allyl chloride with the hydroxyl radical has been investigated on a sound theoretical basis. This is the first time to gain a conclusive insight into the reaction mechanism and kinetics for important pathways in detail. The reaction mechanism confirms that OH addition to the C=C double bond forms the chemically activated adducts, IM1 (CH2CHOHCH2Cl) and IM2 (CH2OHCHCH2Cl) via low barriers, and direct H-abstraction paths may also occur. Variational transition state model and multichannel RRKM theory are employed to calculate the temperature-, pressure-dependent rate constants. The calculated rate constants are in good agreement with the experimental data. At 100 Torr with He as bath gas, IM6 formed by collisional stabilization is the major products in the temperature range 200-600 K; the production of CH2CHCHCl via hydrogen abstractions becomes dominant at high temperatures (600-3000 K).
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Affiliation(s)
- Yunju Zhang
- Institute of Functional Material Chemistry, Faculty of Chemistry, Northeast Normal University, Renmin Road 5268, Changchun, Jilin 130024, People's Republic of China
| | - Kai Chao
- Ningxia Entry-Exit Inspection and Quarantine Bureau, Yinchuan, Ningxia 750001, People's Republic of China
| | - Jingyu Sun
- College of Chemistry and Environmental Engineering, Hubei Normal University, Cihu Road 11, Huanshi, Hubei 435002, People's Republic of China
| | - Wanqiao Zhang
- Institute of Functional Material Chemistry, Faculty of Chemistry, Northeast Normal University, Renmin Road 5268, Changchun, Jilin 130024, People's Republic of China
| | - Haijie Shi
- Institute of Functional Material Chemistry, Faculty of Chemistry, Northeast Normal University, Renmin Road 5268, Changchun, Jilin 130024, People's Republic of China
| | - Cen Yao
- Institute of Functional Material Chemistry, Faculty of Chemistry, Northeast Normal University, Renmin Road 5268, Changchun, Jilin 130024, People's Republic of China
| | - Zhongmin Su
- Institute of Functional Material Chemistry, Faculty of Chemistry, Northeast Normal University, Renmin Road 5268, Changchun, Jilin 130024, People's Republic of China
| | - Xiumei Pan
- Institute of Functional Material Chemistry, Faculty of Chemistry, Northeast Normal University, Renmin Road 5268, Changchun, Jilin 130024, People's Republic of China
| | - Jingping Zhang
- Institute of Functional Material Chemistry, Faculty of Chemistry, Northeast Normal University, Renmin Road 5268, Changchun, Jilin 130024, People's Republic of China
| | - Rongshun Wang
- Institute of Functional Material Chemistry, Faculty of Chemistry, Northeast Normal University, Renmin Road 5268, Changchun, Jilin 130024, People's Republic of China
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Zhang Y, Chao K, Pan X, Zhang J, Su Z, Wang R. Mechanism and kinetic study of 3-fluoropropene with hydroxyl radical reaction. J Mol Graph Model 2013; 48:18-27. [PMID: 24366002 DOI: 10.1016/j.jmgm.2013.09.003] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2013] [Revised: 09/04/2013] [Accepted: 09/04/2013] [Indexed: 10/26/2022]
Abstract
Potential energy surface for the reaction of hydroxyl radical (OH) with 3-fluoropropene (CH₂CHCH₂F) has been studied to evaluate the reaction mechanisms, possible products and rate constants. It has been shown that the CH₂CHCH₂F with OH reaction takes place via a barrierless addition/elimination and hydrogen abstraction mechanism. It is revealed for the first time that the initial step for the barrierless additional process involves a pre-reactive loosely bound complex (CR1) that is 1.60 kcal/mol below the energy of the reactants. Subsequently, the reaction bifurcates into two different pathways to form IM1 (CH₂CHOHCH₂F) and IM2 (CH₂OHCHCH₂F), which can decompose or isomerize to various products via complicated mechanisms. Variational transition state model and multichannel RRKM theory are employed to calculate the temperature-, pressure-dependent rate constants and branching ratios. At atmospheric pressure with He as bath gas, IM1 formed by collisional stabilization is dominated at T≤600 K; whereas the direct hydrogen abstraction leading to CH₂CHCHF and H₂O are the major products at temperatures between 600 and 3000 K, with estimated contribution of 72.9% at 1000 K. Furthermore, the predicted rate constants are in good agreement with the available experimental values.
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Affiliation(s)
- Yunju Zhang
- Institute of Functional Material Chemistry, Faculty of Chemistry, Northeast Normal University, Renmin Road 5268, Changchun, Jilin 130024, PR China
| | - Kai Chao
- Ningxia Entry-Exit Inspection and Quarantine Bureau, Yinchuan, Ningxia 750001, PR China
| | - Xiumei Pan
- Institute of Functional Material Chemistry, Faculty of Chemistry, Northeast Normal University, Renmin Road 5268, Changchun, Jilin 130024, PR China
| | - Jingping Zhang
- Institute of Functional Material Chemistry, Faculty of Chemistry, Northeast Normal University, Renmin Road 5268, Changchun, Jilin 130024, PR China
| | - Zhongmin Su
- Institute of Functional Material Chemistry, Faculty of Chemistry, Northeast Normal University, Renmin Road 5268, Changchun, Jilin 130024, PR China
| | - Rongshun Wang
- Institute of Functional Material Chemistry, Faculty of Chemistry, Northeast Normal University, Renmin Road 5268, Changchun, Jilin 130024, PR China.
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Zhang Y, Chao K, Sun J, Su Z, Pan X, Zhang J, Wang R. Theoretical Study on the Gas Phase Reaction of Allyl Alcohol with Hydroxyl Radical. J Phys Chem A 2013; 117:6629-40. [DOI: 10.1021/jp402142b] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Yunju Zhang
- Institute of Functional Material
Chemistry, Faculty of Chemistry, Northeast Normal University, Renmin Road 5268, Changchun, Jilin 130024, P. R. China
| | - Kai Chao
- Ningxia Entry-Exit Inspection and Quarantine Bureau, Yinchuan, Ningxia
750001, P.R. China
| | - Jingyu Sun
- College
of Chemistry and Environmental
Engineering, Hubei Normal University, Cihu
Road 11, Huanshi, Hubei 435002, P.R. China
| | - Zhongmin Su
- Institute of Functional Material
Chemistry, Faculty of Chemistry, Northeast Normal University, Renmin Road 5268, Changchun, Jilin 130024, P. R. China
| | - Xiumei Pan
- Institute of Functional Material
Chemistry, Faculty of Chemistry, Northeast Normal University, Renmin Road 5268, Changchun, Jilin 130024, P. R. China
| | - Jingping Zhang
- Institute of Functional Material
Chemistry, Faculty of Chemistry, Northeast Normal University, Renmin Road 5268, Changchun, Jilin 130024, P. R. China
| | - Rongshun Wang
- Institute of Functional Material
Chemistry, Faculty of Chemistry, Northeast Normal University, Renmin Road 5268, Changchun, Jilin 130024, P. R. China
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21
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Zhang Y, Sun J, Chao K, Sun H, Wang F, Tang S, Pan X, Zhang J, Wang R. Mechanistic and Kinetic Study of CF3CH═CH2 + OH Reaction. J Phys Chem A 2012; 116:3172-81. [DOI: 10.1021/jp209960c] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Yunju Zhang
- Institute of Functional Material
Chemistry, Faculty of Chemistry, Northeast Normal University, Renmin Road 5268., Changchun, Jilin 130024, P.R. China
| | - Jingyu Sun
- Institute of Functional Material
Chemistry, Faculty of Chemistry, Northeast Normal University, Renmin Road 5268., Changchun, Jilin 130024, P.R. China
| | - Kai Chao
- Ningxia Entry-Exit Inspection and Quarantine Bureau, Yinchuan, Ningxia
750001, P.R. China
| | - Hao Sun
- Institute of Functional Material
Chemistry, Faculty of Chemistry, Northeast Normal University, Renmin Road 5268., Changchun, Jilin 130024, P.R. China
- Institute of Theoretical Chemistry,
State Key Laboratory of Theoretical and Computational Chemistry, Jilin University, Changchun, Jilin 130023, P.R. China
| | - Fang Wang
- Institute of Functional Material
Chemistry, Faculty of Chemistry, Northeast Normal University, Renmin Road 5268., Changchun, Jilin 130024, P.R. China
| | - ShuWei Tang
- Institute of Functional Material
Chemistry, Faculty of Chemistry, Northeast Normal University, Renmin Road 5268., Changchun, Jilin 130024, P.R. China
| | - Xiumei Pan
- Institute of Functional Material
Chemistry, Faculty of Chemistry, Northeast Normal University, Renmin Road 5268., Changchun, Jilin 130024, P.R. China
| | - Jingping Zhang
- Institute of Functional Material
Chemistry, Faculty of Chemistry, Northeast Normal University, Renmin Road 5268., Changchun, Jilin 130024, P.R. China
| | - Rongshun Wang
- Institute of Functional Material
Chemistry, Faculty of Chemistry, Northeast Normal University, Renmin Road 5268., Changchun, Jilin 130024, P.R. China
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22
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Zhang Y, Sun J, Chao K, Sun H, Wang F, Tang S, Pan X, Zhang J, Wang R. Mechanistic and kinetic study the reaction of O(3P) + CH3CFCH2. Theor Chem Acc 2012. [DOI: 10.1007/s00214-012-1100-7] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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23
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Vereecken L, Francisco JS. Theoretical studies of atmospheric reaction mechanisms in the troposphere. Chem Soc Rev 2012; 41:6259-93. [DOI: 10.1039/c2cs35070j] [Citation(s) in RCA: 311] [Impact Index Per Article: 25.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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24
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Sun J, Wang R, Wang B. Theoretical study on the gas phase reaction of acrylonitrile with a hydroxyl radical. Phys Chem Chem Phys 2011; 13:16585-95. [DOI: 10.1039/c1cp20836e] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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25
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Loison JC, Daranlot J, Bergeat A, Caralp F, Mereau R, Hickson KM. Gas-Phase Kinetics of Hydroxyl Radical Reactions with C3H6 and C4H8: Product Branching Ratios and OH Addition Site-Specificity. J Phys Chem A 2010; 114:13326-36. [DOI: 10.1021/jp107217w] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Jean-Christophe Loison
- Institut des Sciences Moléculaires, CNRS UMR 5255, Université Bordeaux I, 351 Cours de la Libération, 33405 Talence cedex, France
| | - Julien Daranlot
- Institut des Sciences Moléculaires, CNRS UMR 5255, Université Bordeaux I, 351 Cours de la Libération, 33405 Talence cedex, France
| | - Astrid Bergeat
- Institut des Sciences Moléculaires, CNRS UMR 5255, Université Bordeaux I, 351 Cours de la Libération, 33405 Talence cedex, France
| | - Françoise Caralp
- Institut des Sciences Moléculaires, CNRS UMR 5255, Université Bordeaux I, 351 Cours de la Libération, 33405 Talence cedex, France
| | - Raphaël Mereau
- Institut des Sciences Moléculaires, CNRS UMR 5255, Université Bordeaux I, 351 Cours de la Libération, 33405 Talence cedex, France
| | - Kevin M. Hickson
- Institut des Sciences Moléculaires, CNRS UMR 5255, Université Bordeaux I, 351 Cours de la Libération, 33405 Talence cedex, France
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26
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Sun H, Law CK. Kinetics of Hydrogen Abstraction Reactions of Butene Isomers by OH Radical. J Phys Chem A 2010; 114:12088-98. [DOI: 10.1021/jp1062786] [Citation(s) in RCA: 50] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Hongyan Sun
- Department of Mechanical and Aerospace Engineering, Princeton University, Princeton, New Jersey 08544, United States
| | - Chung K. Law
- Department of Mechanical and Aerospace Engineering, Princeton University, Princeton, New Jersey 08544, United States
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27
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Vasu SS, Hong Z, Davidson DF, Hanson RK, Golden DM. Shock Tube/Laser Absorption Measurements of the Reaction Rates of OH with Ethylene and Propene. J Phys Chem A 2010; 114:11529-37. [DOI: 10.1021/jp106049s] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Subith S. Vasu
- Mechanical Engineering Department, Stanford University, Stanford, California 94305, United States
| | - Zekai Hong
- Mechanical Engineering Department, Stanford University, Stanford, California 94305, United States
| | - David F. Davidson
- Mechanical Engineering Department, Stanford University, Stanford, California 94305, United States
| | - Ronald K. Hanson
- Mechanical Engineering Department, Stanford University, Stanford, California 94305, United States
| | - David M. Golden
- Mechanical Engineering Department, Stanford University, Stanford, California 94305, United States
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28
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Daranlot J, Bergeat A, Caralp F, Caubet P, Costes M, Forst W, Loison J, Hickson KM. Gas‐Phase Kinetics of Hydroxyl Radical Reactions with Alkenes: Experiment and Theory. Chemphyschem 2010; 11:4002-10. [DOI: 10.1002/cphc.201000467] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Julien Daranlot
- Université de Bordeaux, Institut des Sciences Moléculaires, 351 Cours de la Libération, 33405 Talence Cedex (France)
- CNRS UMR 5255, Institut des Sciences Moléculaires, 351 Cours de la Libération, 33405 Talence Cedex (France)
| | - Astrid Bergeat
- Université de Bordeaux, Institut des Sciences Moléculaires, 351 Cours de la Libération, 33405 Talence Cedex (France)
- CNRS UMR 5255, Institut des Sciences Moléculaires, 351 Cours de la Libération, 33405 Talence Cedex (France)
| | - Françoise Caralp
- Université de Bordeaux, Institut des Sciences Moléculaires, 351 Cours de la Libération, 33405 Talence Cedex (France)
- CNRS UMR 5255, Institut des Sciences Moléculaires, 351 Cours de la Libération, 33405 Talence Cedex (France)
| | - Philippe Caubet
- Université de Bordeaux, Institut des Sciences Moléculaires, 351 Cours de la Libération, 33405 Talence Cedex (France)
- CNRS UMR 5255, Institut des Sciences Moléculaires, 351 Cours de la Libération, 33405 Talence Cedex (France)
| | - Michel Costes
- Université de Bordeaux, Institut des Sciences Moléculaires, 351 Cours de la Libération, 33405 Talence Cedex (France)
- CNRS UMR 5255, Institut des Sciences Moléculaires, 351 Cours de la Libération, 33405 Talence Cedex (France)
| | - Wendell Forst
- Université de Bordeaux, Institut des Sciences Moléculaires, 351 Cours de la Libération, 33405 Talence Cedex (France)
- CNRS UMR 5255, Institut des Sciences Moléculaires, 351 Cours de la Libération, 33405 Talence Cedex (France)
| | - Jean‐Christophe Loison
- Université de Bordeaux, Institut des Sciences Moléculaires, 351 Cours de la Libération, 33405 Talence Cedex (France)
- CNRS UMR 5255, Institut des Sciences Moléculaires, 351 Cours de la Libération, 33405 Talence Cedex (France)
| | - Kevin M. Hickson
- Université de Bordeaux, Institut des Sciences Moléculaires, 351 Cours de la Libération, 33405 Talence Cedex (France)
- CNRS UMR 5255, Institut des Sciences Moléculaires, 351 Cours de la Libération, 33405 Talence Cedex (France)
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29
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Christiansen CJ, Francisco JS. Atmospheric Oxidation of Tetrachloroethylene: An Ab Initio Study. J Phys Chem A 2010; 114:9177-91. [PMID: 20669984 DOI: 10.1021/jp103845h] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Carrie J. Christiansen
- Department of Chemistry and Department of Earth and Atmospheric Sciences Purdue University, West Lafayette, Indiana 47909
| | - Joseph S. Francisco
- Department of Chemistry and Department of Earth and Atmospheric Sciences Purdue University, West Lafayette, Indiana 47909
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30
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Zhou CW, Simmie JM, Curran HJ. An ab initio/Rice-Ramsperger-Kassel-Marcus study of the hydrogen-abstraction reactions of methyl ethers, H3COCH3−x(CH3)x, x = 0–2, by ˙OH; mechanism and kinetics. Phys Chem Chem Phys 2010; 12:7221-33. [DOI: 10.1039/c002911d] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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31
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Zádor J, Jasper AW, Miller JA. The reaction between propene and hydroxyl. Phys Chem Chem Phys 2009; 11:11040-53. [PMID: 19924340 DOI: 10.1039/b915707g] [Citation(s) in RCA: 128] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Stationary points on the C(3)H(7)O potential energy surface relevant to the title reaction are calculated employing RQCISD(T)/cc-pVinfinityZ//B3LYP/6-311++G(d,p) quantum chemical calculations. Rate coefficients at 50-3000 K temperature and from zero to infinite pressure are calculated using an RRKM-based multiwell master equation. Due to the topography of the entrance channel an effective two-transition-state model is used to calculate accurate association rate coefficients. Our calculations are in excellent agreement with the available experimental data. We predict approximately 5% vinyl alcohol branching above 1000 K, the allyl radical formation being the main channel at high temperatures.
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Affiliation(s)
- Judit Zádor
- Combustion Research Facility, Sandia National Laboratories, MS 9055, Livermore, CA 94551-0969, USA.
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32
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Zhou CW, Mebel AM, Li XY. An ab Initio/Rice−Ramsperger−Kassel−Marcus Study of the Reactions of Propenols with OH. Mechanism and Kinetics of H Abstraction Channels. J Phys Chem A 2009; 113:10667-77. [PMID: 19746962 DOI: 10.1021/jp903103s] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Chong-Wen Zhou
- College of Chemical Engineering, Sichuan University, Chengdu, 610065, People’s Republic of China, and Department of Chemistry and Biochemistry, Florida International University, Miami, Florida 33199
| | - Alexander M. Mebel
- College of Chemical Engineering, Sichuan University, Chengdu, 610065, People’s Republic of China, and Department of Chemistry and Biochemistry, Florida International University, Miami, Florida 33199
| | - Xiang-Yuan Li
- College of Chemical Engineering, Sichuan University, Chengdu, 610065, People’s Republic of China, and Department of Chemistry and Biochemistry, Florida International University, Miami, Florida 33199
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33
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Izsák R, Szőri M, Knowles PJ, Viskolcz B. High Accuracy ab Initio Calculations on Reactions of OH with 1-Alkenes. The Case of Propene. J Chem Theory Comput 2009; 5:2313-21. [DOI: 10.1021/ct900133v] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Róbert Izsák
- School of Chemistry, Cardiff University, Main Building, Park Place, Cardiff CF10 3AT, United Kingdom, Department of Chemical Informatics, Faculty of Education, University of Szeged, Boldogasszony sgt. 6, 6725 Szeged, Hungary, and Institute of Organic Chemistry and Biochemistry, Academy of Sciences of the Czech Republic, Flemingovo náméstí 2, 16610 Prague 6, Czech Republic
| | - Milán Szőri
- School of Chemistry, Cardiff University, Main Building, Park Place, Cardiff CF10 3AT, United Kingdom, Department of Chemical Informatics, Faculty of Education, University of Szeged, Boldogasszony sgt. 6, 6725 Szeged, Hungary, and Institute of Organic Chemistry and Biochemistry, Academy of Sciences of the Czech Republic, Flemingovo náméstí 2, 16610 Prague 6, Czech Republic
| | - Peter J. Knowles
- School of Chemistry, Cardiff University, Main Building, Park Place, Cardiff CF10 3AT, United Kingdom, Department of Chemical Informatics, Faculty of Education, University of Szeged, Boldogasszony sgt. 6, 6725 Szeged, Hungary, and Institute of Organic Chemistry and Biochemistry, Academy of Sciences of the Czech Republic, Flemingovo náméstí 2, 16610 Prague 6, Czech Republic
| | - Béla Viskolcz
- School of Chemistry, Cardiff University, Main Building, Park Place, Cardiff CF10 3AT, United Kingdom, Department of Chemical Informatics, Faculty of Education, University of Szeged, Boldogasszony sgt. 6, 6725 Szeged, Hungary, and Institute of Organic Chemistry and Biochemistry, Academy of Sciences of the Czech Republic, Flemingovo náméstí 2, 16610 Prague 6, Czech Republic
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34
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Simmie JM, Curran HJ. Energy Barriers for the Addition of H, ĊH3, and Ċ2H5 to CH2═CHX [X = H, CH3, OH] and for H-Atom Addition to RCH═O [R = H, CH3, Ċ2H5, n-C3H7]: Implications for the Gas-Phase Chemistry of Enols. J Phys Chem A 2009; 113:7834-45. [DOI: 10.1021/jp903244r] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Affiliation(s)
- John M. Simmie
- Combustion Chemistry Centre, National University of Ireland, Galway, Ireland
| | - Henry J. Curran
- Combustion Chemistry Centre, National University of Ireland, Galway, Ireland
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