1
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Liu B, Dong S, Debleza J, Chen W, Xu Q, Wang H, Bourgalais J, Herbinet O, Curran HJ, Battin-Leclerc F, Wang Z. Experimental and Updated Kinetic Modeling Study of Neopentane Low Temperature Oxidation. J Phys Chem A 2023; 127:2113-2122. [PMID: 36815799 DOI: 10.1021/acs.jpca.2c03795] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/24/2023]
Abstract
Neopentane is an ideal fuel model to study low-temperature oxidation chemistry. The significant discrepancies between experimental data and simulations using the existing neopentane models indicate that an updated study of neopentane oxidation is needed. In this work, neopentane oxidation experiments are carried out using two jet-stirred reactors (JSRs) at 1 atm, at a residence time of 3 s, and at three different equivalence ratios of 0.5, 0.9, and 1.62. Two different analytical methods (synchrotron vacuum ultraviolet photoionization mass spectrometry and gas chromatography) were used to investigate the species distributions. Numerous oxidation intermediates were detected and quantified, including acetone, 3,3-dimethyloxetane, methacrolein, isobutene, 2-methylpropanal, isobutyric acid, and peroxides, which are valuable for validating the kinetic model describing neopentane oxidation. In the model development, the pressure dependencies of the rate constants for the reaction classes Q̇OOH + O2 and Q̇OOH decompositions are considered. This addition improves the prediction of the low-temperature oxidation reactivity of neopentane. Another focus of model development is to improve the prediction of carboxylic acids formed during the low-temperature oxidation of neopentane. The detection and identification of isobutyric acid indicates the existence of the Korcek mechanism during neopentane oxidation. Regarding the formation of acetic acid, the reaction channels are considered to be initiated from the reactions of ȮH radical addition to acetaldehyde/acetone. This updated kinetic model is validated extensively against the experimental data in this work and various experimental data available in the literature, including ignition delay times (IDTs) from both shock tubes (STs) and rapid compression machines (RCMs) and JSR speciation data at high temperatures.
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Affiliation(s)
- Bingzhi Liu
- National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei, Anhui 230029, PR China
| | - Shijun Dong
- Combustion Chemistry Centre, School of Biological and Chemical Sciences, Ryan Institute, MaREI, University of Galway, Galway H91 TK33, Ireland.,School of Energy and Power Engineering, Huazhong University of Science and Technology, Wuhan, Hubei 430074, PR China
| | - Janney Debleza
- LRGP, Université de Lorraine and CNRS, F-54000 Nancy, France
| | - Weiye Chen
- National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei, Anhui 230029, PR China
| | - Qiang Xu
- National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei, Anhui 230029, PR China
| | - Hong Wang
- National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei, Anhui 230029, PR China
| | | | | | - Henry J Curran
- Combustion Chemistry Centre, School of Biological and Chemical Sciences, Ryan Institute, MaREI, University of Galway, Galway H91 TK33, Ireland
| | | | - Zhandong Wang
- National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei, Anhui 230029, PR China.,State Key Laboratory of Fire Science, University of Science and Technology of China, Hefei, Anhui 230026, PR China
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2
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Wang PB, Truhlar DG, Xia Y, Long B. Temperature-dependent kinetics of the atmospheric reaction between CH 2OO and acetone. Phys Chem Chem Phys 2022; 24:13066-13073. [PMID: 35583864 DOI: 10.1039/d2cp01118b] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Criegee intermediates are important oxidants produced in the ozonolysis of alkenes in the atmosphere. Quantitative kinetics of the reactions of Criegee intermediates are required for atmospheric modeling. However, the experimental studies do not cover the full relevant range of temperature and pressure. Here we report the quantitative kinetics of CH2OO + CH3C(O)CH3 by using our recently developed dual strategy that combines coupled cluster theory with high excitation levels for conventional transition state theory and well validated levels of density functional theory for direct dynamics calculations using canonical variational transition theory including tunneling. We find that the W3X-L//DF-CCSD(T)-F12b/jun-cc-pVDZ electronic structure method can be used to obtain quantitative kinetics of the CH2OO + CH3C(O)CH3 reaction. Whereas previous investigations considered a one-step mechanistic pathway, we find that the CH2OO + CH3C(O)CH3 reaction occurs in a stepwise manner. This has implications for the modeling of Criegee-intermediate reactions with other ketones and with aldehydes. In the kinetics calculations, we show that recrossing effects of the conventional transition state are negligible for determining the rate constant of CH2OO + CH3C(O)CH3. The present findings reveal that the rate ratio between CH2OO + CH3C(O)CH3 and OH + CH3C(O)CH3 has a significant negative dependence on temperature such that the CH2OO + CH3C(O)CH3 reaction can contribute as a significant sink for atmospheric CH3C(O)CH3 at low temperature. The present findings should have broad implications in understanding the reactions of Criegee intermediates with carbonyl compounds and ketones in the atmosphere.
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Affiliation(s)
- Peng-Biao Wang
- Department of Physics, Guizhou University, Guiyang, 550025, China.
| | - Donald G Truhlar
- Department of Chemistry, Chemical Theory Center, and Supercomputing Institute, University of Minnesota, Minneapolis, Minnesota 55455-0431, USA
| | - Yu Xia
- College of Materials Science and Engineering, Guizhou Minzu University, Guiyang 550025, China
| | - Bo Long
- Department of Physics, Guizhou University, Guiyang, 550025, China. .,College of Materials Science and Engineering, Guizhou Minzu University, Guiyang 550025, China
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3
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Blázquez S, González D, García-Sáez A, Antiñolo M, Bergeat A, Caralp F, Mereau R, Canosa A, Ballesteros B, Albaladejo J, Jiménez E. Experimental and theoretical investigation on the OH + CH 3C(O)CH 3 reaction at interstellar temperatures (T=11.7-64.4 K). ACS EARTH & SPACE CHEMISTRY 2019; 3:1873-1883. [PMID: 31799490 PMCID: PMC6887536 DOI: 10.1021/acsearthspacechem.9b00144] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
The rate coefficient, k(T), for the gas-phase reaction between OH radicals and acetone CH3C(O)CH3, has been measured using the pulsed CRESU (French acronym for Reaction Kinetics in a Uniform Supersonic Flow) technique (T = 11.7-64.4 K). The temperature dependence of k(T = 10-300 K) has also been computed using a RRKM-Master equation analysis after partial revision of the potential energy surface. In agreement with previous studies we found that the reaction proceeds via initial formation of two pre-reactive complexes both leading to H2O + CH3C(O)CH2 by H-abstraction tunneling. The experimental k(T) was found to increase as temperature was lowered. The measured values have been found to be several orders of magnitude higher than k(300 K). This trend is reproduced by calculations, with a special good agreement with experiments below 25 K. The effect of total gas density on k(T) has been explored. Experimentally, no pressure dependence of k(20 K) and k(64 K) was observed, while k(50 K) at the largest gas density 4.47×1017 cm-3 is twice higher than the average values found at lower densities. The computed k(T) is also reported for 103 cm-3 of He (representative of the interstellar medium). The predicted rate coefficients at 10 K surround the experimental value which appears to be very close to the low pressure regime prevailing in the interstellar medium. For gas-phase model chemistry of interstellar molecular clouds, we suggest using the calculated value of 1.8×10-10 cm3 molecule-1 s-1 at 10 K and the reaction products are water and CH3C(O)CH2 radicals.
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Affiliation(s)
- Sergio Blázquez
- Departamento de Química Física. Facultad de Ciencias y Tecnologías Químicas. Universidad de Castilla-La Mancha, Avda. Camilo José Cela, 1B. 13071 Ciudad Real, Spain
| | - Daniel González
- Departamento de Química Física. Facultad de Ciencias y Tecnologías Químicas. Universidad de Castilla-La Mancha, Avda. Camilo José Cela, 1B. 13071 Ciudad Real, Spain
| | - Alberto García-Sáez
- Departamento de Química Física. Facultad de Ciencias y Tecnologías Químicas. Universidad de Castilla-La Mancha, Avda. Camilo José Cela, 1B. 13071 Ciudad Real, Spain
| | - María Antiñolo
- Instituto de Investigación en Combustión y Contaminación Atmosférica (ICCA). Universidad de Castilla-La Mancha, Camino de Moledores s/n. 13071 Ciudad Real, Spain
| | - Astrid Bergeat
- Univ. Bordeaux, CNRS, Bordeaux INP, ISM, UMR 5255, F-33405 Talence, France
| | - Françoise Caralp
- Univ. Bordeaux, CNRS, Bordeaux INP, ISM, UMR 5255, F-33405 Talence, France
| | - Raphaël Mereau
- Univ. Bordeaux, CNRS, Bordeaux INP, ISM, UMR 5255, F-33405 Talence, France
| | - André Canosa
- Univ Rennes, CNRS, IPR (Institut de Physique de Rennes) - UMR 6251, F-35000 Rennes, France
| | - Bernabé Ballesteros
- Departamento de Química Física. Facultad de Ciencias y Tecnologías Químicas. Universidad de Castilla-La Mancha, Avda. Camilo José Cela, 1B. 13071 Ciudad Real, Spain
- Instituto de Investigación en Combustión y Contaminación Atmosférica (ICCA). Universidad de Castilla-La Mancha, Camino de Moledores s/n. 13071 Ciudad Real, Spain
| | - José Albaladejo
- Departamento de Química Física. Facultad de Ciencias y Tecnologías Químicas. Universidad de Castilla-La Mancha, Avda. Camilo José Cela, 1B. 13071 Ciudad Real, Spain
- Instituto de Investigación en Combustión y Contaminación Atmosférica (ICCA). Universidad de Castilla-La Mancha, Camino de Moledores s/n. 13071 Ciudad Real, Spain
| | - Elena Jiménez
- Departamento de Química Física. Facultad de Ciencias y Tecnologías Químicas. Universidad de Castilla-La Mancha, Avda. Camilo José Cela, 1B. 13071 Ciudad Real, Spain
- Instituto de Investigación en Combustión y Contaminación Atmosférica (ICCA). Universidad de Castilla-La Mancha, Camino de Moledores s/n. 13071 Ciudad Real, Spain
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4
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Yan C, Krasnoperov LN. Pressure-Dependent Kinetics of the Reaction between CH3O2 and OH: TRIOX Formation. J Phys Chem A 2019; 123:8349-8357. [DOI: 10.1021/acs.jpca.9b03861] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Chao Yan
- Department of Mechanical Aerospace Engineering, Princeton University, Princeton, New Jersey 08540, United States
| | - Lev N. Krasnoperov
- Department of Chemistry and Environmental Science, New Jersey Institute of Technology, University Heights, Newark, New Jersey 07102, United States
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5
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Yan C, Kocevska S, Krasnoperov LN. Kinetics of the Reaction of CH3O2 Radicals with OH Studied over the 292–526 K Temperature Range. J Phys Chem A 2016; 120:6111-21. [DOI: 10.1021/acs.jpca.6b04213] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Chao Yan
- Department of Chemistry and Environmental Science, New Jersey Institute of Technology,
University Heights, Newark, New Jersey 07102, United States
| | - Stefani Kocevska
- Department of Chemistry and Environmental Science, New Jersey Institute of Technology,
University Heights, Newark, New Jersey 07102, United States
| | - Lev N. Krasnoperov
- Department of Chemistry and Environmental Science, New Jersey Institute of Technology,
University Heights, Newark, New Jersey 07102, United States
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6
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Carey PE, Stevens PS. Experimental and Theoretical Study of the Kinetics of the OH + Propionaldehyde Reaction between 277 and 375 K at Low Pressure. J Phys Chem A 2016; 120:1377-85. [PMID: 26356683 DOI: 10.1021/acs.jpca.5b05179] [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
Measurements of the rate constant for the reaction of OH radicals with propionaldehyde as a function of temperature were performed using low-pressure discharge-flow tube techniques coupled with laser-induced fluorescence detection of OH radicals. The measured room-temperature rate constant of (1.51 ± 0.22) × 10(-11) cm(3) molecules(-1) s(-1) at 4 Torr was generally lower but in reasonable agreement with previous absolute and relative rate studies at higher pressures. Measurements as a function of temperature resulted in an Arrhenius expression of (2.3 ± 0.4) × 10(-11) exp[(-110 ± 50)/T] cm(3) molecules(-1) s(-1) between 277 and 375 K at 4 Torr. The observed temperature dependence at low pressure is in contrast to previous measurements of a negative temperature dependence at higher pressures. Ab initio calculations of the potential energy surface for this reaction suggest that the primary reaction pathway involves the formation of a hydrogen-bonded prereactive complex, which could account for the difference in the observed temperature dependence at lower and higher pressures.
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Affiliation(s)
- Paul E Carey
- School of Public and Environmental Affairs and Department of Chemistry Indiana University , Bloomington, Indiana 47405, United States
| | - Philip S Stevens
- School of Public and Environmental Affairs and Department of Chemistry Indiana University , Bloomington, Indiana 47405, United States
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7
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Song X, Zügner GL, Farkas M, Illés Á, Sarzyński D, Rozgonyi T, Wang B, Dóbé S. Experimental and Theoretical Study on the OH-Reaction Kinetics and Photochemistry of Acetyl Fluoride (CH3C(O)F), an Atmospheric Degradation Intermediate of HFC-161 (C2H5F). J Phys Chem A 2015; 119:7753-65. [PMID: 25859909 DOI: 10.1021/acs.jpca.5b01069] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The direct reaction kinetic method of low pressure fast discharge flow (DF) with resonance fluorescence monitoring of OH (RF) has been applied to determine rate coefficients for the overall reactions OH + C2H5F (EtF) (1) and OH + CH3C(O)F (AcF) (2). Acetyl fluoride reacts slowly with the hydroxyl radical, the rate coefficient at laboratory temperature is k2(300 K) = (0.74 ± 0.05) × 10(-14) cm(3) molecule(-1) s(-1) (given with 2σ statistical uncertainty). The temperature dependence of the reaction does not obey the Arrhenius law and it is described well by the two-exponential rate expression of k2(300-410 K) = 3.60 × 10(-3) exp(-10500/T) + 1.56 × 10(-13) exp(-910/T) cm(3) molecule(-1) s(-1). The rate coefficient of k1 = (1.90 ± 0.19) × 10(-13) cm(3) molecule(-1) s(-1) has been determined for the EtF-reaction at room temperature (T = 298 K). Microscopic mechanisms for the OH + CH3C(O)F reaction have also been studied theoretically using the ab initio CBS-QB3 and G4 methods. Variational transition state theory was employed to obtain rate coefficients for the OH + CH3C(O)F reaction as a function of temperature on the basis of the ab initio data. The calculated rate coefficients are in good agreement with the experimental data. It is revealed that the reaction takes place predominantly via the indirect H-abstraction mechanism involving H-bonded prereactive complexes and forming the nascent products of H2O and the CH2CFO radical. The non-Arrhenius behavior of the rate coefficient at temperatures below 500 K is ascribed to the significant tunneling effect of the in-the-plane H-abstraction dynamic bottleneck. The production of FC(O)OH + CH3 via the addition/elimination mechanism is hardly competitive due to the significant barriers along the reaction routes. Photochemical experiments of AcF were performed at 248 nm by using exciplex lasers. The total photodissociation quantum yield for CH3C(O)F has been found significantly less than unity; among the primary photochemical processes, C-C bond cleavage is by far dominating compared with CO-elimination. The absorption spectrum of AcF has also been determined by displaying a strong blue shift compared with the spectra of aliphatic carbonyls. Consequences of the results on atmospheric chemistry have been discussed.
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Affiliation(s)
- Xinli Song
- †College of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, People's Republic of China
| | - Gábor L Zügner
- ‡Institute of Materials and Environmental Chemistry, Research Centre for Natural Sciences, Hungarian Academy of Sciences, 1117 Budapest, Hungary
| | - Mária Farkas
- ‡Institute of Materials and Environmental Chemistry, Research Centre for Natural Sciences, Hungarian Academy of Sciences, 1117 Budapest, Hungary
| | - Ádám Illés
- ‡Institute of Materials and Environmental Chemistry, Research Centre for Natural Sciences, Hungarian Academy of Sciences, 1117 Budapest, Hungary
| | - Dariusz Sarzyński
- §Department of Physical Chemistry, Wroclaw Medical University, 50-556 Wroclaw, Poland
| | - Tamás Rozgonyi
- ‡Institute of Materials and Environmental Chemistry, Research Centre for Natural Sciences, Hungarian Academy of Sciences, 1117 Budapest, Hungary
| | - Baoshan Wang
- †College of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, People's Republic of China
| | - Sándor Dóbé
- ‡Institute of Materials and Environmental Chemistry, Research Centre for Natural Sciences, Hungarian Academy of Sciences, 1117 Budapest, Hungary
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8
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Badra J, Elwardany AE, Farooq A. Reaction rate constants of H-abstraction by OH from large ketones: measurements and site-specific rate rules. Phys Chem Chem Phys 2014; 16:12183-93. [DOI: 10.1039/c4cp01253d] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Reaction rate constants of the reaction of four large ketones with hydroxyl (OH) are investigated behind reflected shock waves using OH laser absorption.
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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
- Saudi Aramco Research and Development Center
| | - Ahmed E. Elwardany
- 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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9
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Shannon RJ, Caravan RL, Blitz MA, Heard DE. A combined experimental and theoretical study of reactions between the hydroxyl radical and oxygenated hydrocarbons relevant to astrochemical environments. Phys Chem Chem Phys 2014; 16:3466-78. [DOI: 10.1039/c3cp54664k] [Citation(s) in RCA: 46] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
Rate coefficients for the reactions of the hydroxyl radical with acetone and dimethyl ether increase dramatically at very low temperatures.
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Affiliation(s)
| | | | - M. A. Blitz
- School of Chemistry
- University of Leeds
- Leeds, UK
- National Centre for Atmospheric Science
- University of Leeds
| | - D. E. Heard
- School of Chemistry
- University of Leeds
- Leeds, UK
- National Centre for Atmospheric Science
- University of Leeds
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10
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Vu ND, Khamaganov V, Nguyen VS, Carl SA, Peeters J. Absolute Rate Coefficient of the Gas-Phase Reaction between Hydroxyl Radical (OH) and Hydroxyacetone: Investigating the Effects of Temperature and Pressure. J Phys Chem A 2013; 117:12208-15. [DOI: 10.1021/jp407701z] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Affiliation(s)
- Ngoc Duy Vu
- The Department of Chemistry, University of Leuven, Celestijnenlaan 200F, 3001 Leuven, Belgium
| | - Victor Khamaganov
- The Department of Chemistry, University of Leuven, Celestijnenlaan 200F, 3001 Leuven, Belgium
| | - Vinh Son Nguyen
- The Department of Chemistry, University of Leuven, Celestijnenlaan 200F, 3001 Leuven, Belgium
| | - Shaun A. Carl
- The Department of Chemistry, University of Leuven, Celestijnenlaan 200F, 3001 Leuven, Belgium
| | - Jozef Peeters
- The Department of Chemistry, University of Leuven, Celestijnenlaan 200F, 3001 Leuven, Belgium
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11
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Tanaka N, Yamagishi S, Nishikiori H. Computational study of the reaction between chloroacetone and OH radical. COMPUT THEOR CHEM 2013. [DOI: 10.1016/j.comptc.2013.07.040] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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12
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Sangwan M, Chesnokov EN, Krasnoperov LN. Reaction CH3 + OH Studied over the 294–714 K Temperature and 1–100 bar Pressure Ranges. J Phys Chem A 2012; 116:8661-70. [DOI: 10.1021/jp305070c] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Manuvesh Sangwan
- Department of Chemistry
and Environmental Science, New Jersey Institute of Technology, University Heights, Newark, New Jersey
07102, United States
| | | | - Lev N. Krasnoperov
- Department of Chemistry
and Environmental Science, New Jersey Institute of Technology, University Heights, Newark, New Jersey
07102, United States
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13
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Lam KY, Davidson DF, Hanson RK. High-Temperature Measurements of the Reactions of OH with a Series of Ketones: Acetone, 2-Butanone, 3-Pentanone, and 2-Pentanone. J Phys Chem A 2012; 116:5549-59. [DOI: 10.1021/jp303853h] [Citation(s) in RCA: 44] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Affiliation(s)
- King-Yiu Lam
- Department of Mechanical Engineering, Stanford University, Stanford, California
94305, United States
| | - David F. Davidson
- Department of Mechanical Engineering, Stanford University, Stanford, California
94305, United States
| | - Ronald K. Hanson
- Department of Mechanical Engineering, Stanford University, Stanford, California
94305, United States
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14
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Zhou CW, Simmie JM, Curran HJ. Ab initio and kinetic study of the reaction of ketones with ȮH for T = 500–2000 K. Part I: hydrogen-abstraction from H3CC(O)CH3–x(CH3)x, x = 0 ↦ 2. Phys Chem Chem Phys 2011; 13:11175-92. [DOI: 10.1039/c0cp02754e] [Citation(s) in RCA: 51] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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15
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Galano A, Raul Alvarez-Idaboy J, Francisco-Márquez M. Mechanism and Branching Ratios of Hydroxy Ethers + •OH Gas phase Reactions: Relevance of H Bond Interactions. J Phys Chem A 2010; 114:7525-36. [DOI: 10.1021/jp103575f] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Annia Galano
- Departamento de Química, Universidad Autónoma Metropolitana-Iztapalapa, San Rafael Atlixco 186, Col. Vicentina, Iztapalapa, C. P. 09340, México D. F. México
- Facultad de Química, Departamento de Física y Química Teórica, Universidad Nacional Autónoma de México, México DF 04510, México
| | - J. Raul Alvarez-Idaboy
- Departamento de Química, Universidad Autónoma Metropolitana-Iztapalapa, San Rafael Atlixco 186, Col. Vicentina, Iztapalapa, C. P. 09340, México D. F. México
- Facultad de Química, Departamento de Física y Química Teórica, Universidad Nacional Autónoma de México, México DF 04510, México
| | - Misaela Francisco-Márquez
- Departamento de Química, Universidad Autónoma Metropolitana-Iztapalapa, San Rafael Atlixco 186, Col. Vicentina, Iztapalapa, C. P. 09340, México D. F. México
- Facultad de Química, Departamento de Física y Química Teórica, Universidad Nacional Autónoma de México, México DF 04510, México
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16
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Shannon RJ, Taylor S, Goddard A, Blitz MA, Heard DE. Observation of a large negative temperature dependence for rate coefficients of reactions of OH with oxygenated volatile organic compounds studied at 86–112 K. Phys Chem Chem Phys 2010; 12:13511-4. [DOI: 10.1039/c0cp00918k] [Citation(s) in RCA: 49] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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17
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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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18
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Baasandorj M, Griffith S, Dusanter S, Stevens PS. Experimental and Theoretical Studies of the Kinetics of the OH + Hydroxyacetone Reaction As a Function of Temperature. J Phys Chem A 2009; 113:10495-502. [DOI: 10.1021/jp904238w] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Munkhbayar Baasandorj
- Center for Research in Environmental Science, School of Public and Environmental Affairs, and Department of Chemistry, Indiana University, Bloomington, Indiana 47405
| | - Stephen Griffith
- Center for Research in Environmental Science, School of Public and Environmental Affairs, and Department of Chemistry, Indiana University, Bloomington, Indiana 47405
| | - Sebastien Dusanter
- Center for Research in Environmental Science, School of Public and Environmental Affairs, and Department of Chemistry, Indiana University, Bloomington, Indiana 47405
| | - Philip S. Stevens
- Center for Research in Environmental Science, School of Public and Environmental Affairs, and Department of Chemistry, Indiana University, Bloomington, Indiana 47405
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Carr SA, Baeza-Romero MT, Blitz MA, Price BJS, Seakins PW. Ketone photolysis in the presence of oxygen: A useful source of OH for flash photolysis kinetics experiments. INT J CHEM KINET 2008. [DOI: 10.1002/kin.20330] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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20
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Atmospheric Reactions of Oxygenated Volatile Organic Compounds+OH Radicals: Role of Hydrogen-Bonded Intermediates and Transition States. ADVANCES IN QUANTUM CHEMISTRY 2008. [DOI: 10.1016/s0065-3276(07)00212-2] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
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21
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Galano A. Theoretical study on the reaction of tropospheric interest: hydroxyacetone + OH. Mechanism and kinetics. J Phys Chem A 2007; 110:9153-60. [PMID: 16854028 DOI: 10.1021/jp061705b] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
A theoretical study of the mechanism and kinetics of the OH hydrogen abstraction from hydroxyacetone is presented. Optimum geometries and frequencies have been computed at the BH and HLYP/6-311++G(d,p) level of theory for all stationary points. Energy values have been improved by single-point calculations at the above geometries using CCSD(T)/ 6-311++G(d,p). The rate coefficients are calculated for the temperature range 280-500 K by using conventional transition state theory (TST), including tunneling corrections. Our analysis supports a stepwise mechanism involving the formation of a reactant complex in the entrance channel and a product complex in the exit channel, for all the modeled paths. Four experimental values of the rate constant at 298 K have been previously reported: three of them in great agreement (approximately 3 x 10(-12) cm(3) molecule(-1) s(-1)), and one of them twice larger. The calculations in the present work support the smaller value. A curved Arrhenius plot was found in the studied temperature range; thus the expression that best describes the obtained data is k(280-500)(overall) = 5.29 x 10(-23)T(3.4)e(1623/T) cm(3) molecule(-1) s(-1). The activation energy was found to vary with temperature from -1.33 to +0.15 kcal/mol.
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Affiliation(s)
- Annia Galano
- Instituto Mexicano del Petróleo, Eje Central Lazaro Cardenas 152, 007730 México DF, México
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22
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Khamaganov VG, Bui VX, Carl SA, Peeters J. Absolute rate coefficient of the OH + CH(3)C(O)OH reaction at T = 287-802 K. The two faces of pre-reactive H-bonding. J Phys Chem A 2007; 110:12852-9. [PMID: 17125300 DOI: 10.1021/jp064922l] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The rate constants for the reaction OH + CH3C(O)OH --> products (1) were determined over the temperature range 287-802 K at 50 and 100 Torr of Ar or N2 bath gas using pulsed laser photolysis generation of OH by CH3C(O)OH photolysis at 193 nm coupled with OH detection by pulsed laser-induced fluorescence. The rate coefficient displays a complex temperature dependence with a sharp minimum at 530 K, indicating the competition between a reaction proceeding through a pre-reactive H-bonded complex to form CH3C(O)O + H2O, expected to prevail at low temperatures, and a direct methyl-H abstraction channel leading to CH2C(O)OH + H2O, which should dominate at high temperatures. The temperature dependence of the rate constant can be described adequately by k1(287-802 K) = 2.9 x 10(-9) exp{-6030 K/T} + 1.50 x 10(-13) exp{515 K/T} cm3 molecule(-1)(s-1), with a value of (8.5 +/- 0.9) x 10-13 cm3 molecule(-1)(s-1) at 298 K. The steep increase in rate constant in the range 550-800 K, which is reported for the first time, implies that direct abstraction of a methyl-H becomes the dominant pathway at temperatures greater than 550 K. However, the data indicates that up to about 800 K direct methyl-H abstraction remains adversely affected by the long-range H-bonding attraction between the approaching OH radical and the carboxyl -C(O)OH functionality.
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Affiliation(s)
- Victor G Khamaganov
- Department of Chemistry, University of Leuven, Celestijnenlaan 200 F, 3001 Leuven, Belgium
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23
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24
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Turpin E, Tomas A, Fittschen C, Devolder P, Galloo JC. Acetone-h6 or -d6 + OH reaction products: evidence for heterogeneous formation of acetic acid in a simulation chamber. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2006; 40:5956-61. [PMID: 17051785 DOI: 10.1021/es060183a] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/12/2023]
Abstract
Simulation chamber experiments have been carried out at room temperature to investigate the products of the acetone + OH and acetone-d6 + OH reactions using two photoreactors made of Teflon or Pyrex and coupled to GC-FTIR-FID analytical techniques. In the Pyrex chamber, the results demonstrated that the channel forming acetic acid is a minor oxidation route in the atmospheric acetone-h6 + OH reaction (yield <5%), whereas a higher yield of about 20% was obtained in the case of the acetone-d6 + OH reaction, in good agreement with previous studies. Existence of a heterogeneous way of formation of acetic acid has also been identified in the Teflon photoreactor.
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Affiliation(s)
- Estelle Turpin
- Département Chimie et Environnement, Ecole des Mines de Douai, France
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25
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Caralp F, Forst W, Hénon E, Bergeat A, Bohr F. Tunneling in the reaction of acetone with OH. Phys Chem Chem Phys 2006; 8:1072-8. [PMID: 16633588 DOI: 10.1039/b515118j] [Citation(s) in RCA: 33] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
Based on recent detailed quantum mechanical computations of the mechanism of the title reaction and, this paper presents kinetics analysis of the overall rate constant and its temperature dependence, for which ample experimental data are available for comparison. The analysis confirms that the principal channel is the formation of acetonyl radical + H(2)O, while the channel leading to acetic acid is of negligible importance. It is shown that the unusual temperature dependence of the overall rate constant, as observed experimentally, is well accounted for by standard RRKM treatment that includes tunneling. This treatment is applied at the microcanonical level, with chemically activated distribution of entrance species, i.e. using a stationary rather than a thermal distribution that incorporates collisional energy transfer and competition between the redissociation and exit channel. A similar procedure is applied to the isotopic reaction acetone-d6 + OH with equally satisfying results, so that the experimental temperature dependence of the KIE (kinetic isotope effect) is perfectly reproduced. This very good agreement between calculation and experiment is obtained without any fitting to experimental values and without any adjustment of the parameters of calculation.
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Affiliation(s)
- Françoise Caralp
- Laboratoire de Physicochimie Moléculaire, UMR 5803 CNRS, Université Bordeaux I, 33405, Talence Cedex, France
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26
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Taylor PH, Yamada T, Marshall P. The reaction of OH with acetaldehyde and deuterated acetaldehyde: Further insight into the reaction mechanism at both low and elevated temperatures. INT J CHEM KINET 2006. [DOI: 10.1002/kin.20179] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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27
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Davis M, Drake W, Vimal D, Stevens P. Experimental and theoretical studies of the kinetics of the reactions of OH and OD with acetone and acetone-d6 at low pressure. J Photochem Photobiol A Chem 2005. [DOI: 10.1016/j.jphotochem.2005.08.030] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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28
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Taylor PH, Mallipeddi R, Yamada T. LP/LIF study of the formation and consumption of mercury (I) chloride: kinetics of mercury chlorination. CHEMOSPHERE 2005; 61:685-92. [PMID: 15893790 DOI: 10.1016/j.chemosphere.2005.03.089] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/18/2005] [Revised: 03/10/2005] [Accepted: 03/15/2005] [Indexed: 05/02/2023]
Abstract
The laser photolysis/laser induced fluorescence (LP/LIF) technique has been applied to studies of gas-phase mercury (Hg) chlorination. Mercury (I) chloride (HgCl) was been detected via LIF at 272 nm from reactions of elemental Hg with Cl atoms generated from the 193 nm photolysis of carbon tetrachloride. While the formation of HgCl was too fast to be observed on millisecond time scales, the kinetics of the consumption of HgCl have been determined at temperatures characteristic of post-combustion conditions. Rate coefficients and Arrhenius parameters for the reaction of HgCl with Cl2, HCl and Cl atoms were determined. The reaction of HgCl with Cl2 was the fastest reaction studied, while the reaction of HgCl with HCl was the only reaction to show any measurable temperature dependence. Estimates of the rate coefficient for the reaction Hg + Cl --> HgCl were determined using a modeling approach. Comparisons of these new measurements with model predictions are discussed.
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Affiliation(s)
- Philip H Taylor
- Research Institute, Environmental Engineering Group, University of Dayton, 300 College Park, Dayton, OH 45469-0114, USA.
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29
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Raff JD, Stevens PS, Hites RA. Relative Rate and Product Studies of the OH−Acetone Reaction. J Phys Chem A 2005; 109:4728-35. [PMID: 16833814 DOI: 10.1021/jp0501547] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
The rate constants for the reaction of acetone (kH) and d6-acetone (kD) with OH radicals have been measured at atmospheric pressure over a range of temperatures by a relative rate method by using on-line mass spectrometry. The following Arrhenius expressions have been determined for these reactions (in units of cm(3) molecule(-1) s(-1)): k(H)(T) = (9.8 x 10(-13)) exp[-(484 +/- 44)/T] between 253 and 373 K, and kD(T) = (4.0 x 10(-13)) exp[-(755 +/- 89)/T] between 293 and 373 K. This is the first study to investigate the temperature dependence of kH and kD by using a relative rate method and confirms previous rate constants determined by absolute methods. Agreement of our rate constants with those determined in the absence of water suggests that the presence of water vapor has a minimal effect on the kinetics of this reaction under the conditions of our study. The observed kinetic isotope effect (kH/kD = 5.6 +/- 0.4 at 293 K) is evidence that H-atom abstraction occurs in the mechanism. The acetic acid yields of the reaction of OH with acetone and d6-acetone were also investigated by on-line mass spectrometry. Acetic acid yields show a negative temperature dependence that decreases from 0.12 at 273 K to 0.05 at 353 K. The yields of d3-acetic acid decrease from 0.20 at 283 K to 0.13 at 323 K. Kinetic modeling of our data suggests that 50-70% of the observed acetic acid in our system may be due to secondary reactions involving acetonoxy and HOx radical reactions. However, secondary chemistry cannot easily explain the observed formation of d3-acetic acid in the deuterated system, where about 90% of the observed d3-acetic acid is likely due to an OH-addition mechanism.
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Affiliation(s)
- Jonathan D Raff
- School of Public and Environmental Affairs, Indiana University, Bloomington, Indiana 47405, USA
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30
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Vasudevan V, Davidson DF, Hanson RK. High-Temperature Measurements of the Reactions of OH with Toluene and Acetone. J Phys Chem A 2005; 109:3352-9. [PMID: 16833670 DOI: 10.1021/jp0501143] [Citation(s) in RCA: 62] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
The reaction of hydroxyl [OH] radicals with toluene [C6H5CH3] was studied at temperatures between 911 and 1389 K behind reflected shock waves at pressures of approximately 2.25 atm. OH radicals were generated by rapid thermal decomposition of shock-heated tert-butyl hydroperoxide [(CH3)3-CO-OH], and monitored by narrow-line width ring dye laser absorption of the well-characterized R1(5) line of the OH A-X (0,0) band near 306.7 nm. OH time histories were modeled by using a comprehensive toluene oxidation mechanism. Rate constants for the reaction of C6H5CH3 with OH were extracted by matching modeled and measured OH concentration time histories in the reflected shock region. Detailed error analyses yielded an uncertainty estimate of +/-30% at 1115 K for the rate coefficient of this reaction. The current high-temperature data were fit with the lower temperature measurements of Tully et al. [J. Phys. Chem. 1981, 85, 2262-2269] to the following two-parameter form, applicable over 570-1389 K: k3 = (1.62 x 10(13)) exp(-1394/T [K]) [cm3 mol(-1) s(-1)]. The reaction between OH radicals and acetone [CH3COCH3] was one of the secondary reactions encountered in the toluene + OH experiments. Direct high-temperature measurements of this reaction were carried out at temperatures ranging from 982 to 1300 K in reflected shock wave experiments at an average total pressure of 1.65 atm. Uncertainty limits were estimated to be +/-25% at 1159 K. A two-parameter fit of the current data yields the following rate expression: k6 = (2.95 x 10(13)) exp(-2297/T [K]) [cm3 mol(-1) s(-1)].
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Affiliation(s)
- Venkatesh Vasudevan
- High Temperature Gasdynamics Laboratory, Mechanical Engineering Department, Stanford University, Stanford, California 94305, USA.
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31
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Fockenberg C, Weston RE, Muckerman JT. Product Study of the Reaction of CH3 with OH Radicals at Low Pressures and Temperatures of 300 and 612 K†. J Phys Chem B 2005; 109:8415-27. [PMID: 16851988 DOI: 10.1021/jp045792o] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The product distribution for the title reaction was studied using our time-of-flight mass spectrometer (TOFMS) connected to a tubular flow reactor. The methyl and hydroxyl radicals were produced by an excimer laser pulse (lambda = 193 nm) photolyzing acetone and nitrous oxide in the presence of excess water or hydrogen. Helium was used as the bath gas; the total density was held constant at 1.2 x 10(17) cm(-3). At 300 K the observations were consistent with singlet methylene ((1)CH(2)) and water as the main product channel with a small contribution of methanol. In contrast, at about 610 K three channels-formaldehyde isomers and methanol in addition to (1)CH(2) + H(2)O-are formed with similar yields. When acetone-d(6) was used, the production of both CHDO and CD(2)O was observed, indicating that two different formaldehyde-producing channels are operating simultaneously. These experimental results are compared with RRKM and master equation calculations on the basis of the properties of the methanol potential energy surface from a recent ab initio study.
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Affiliation(s)
- Christopher Fockenberg
- Chemistry Department 555A, Brookhaven National Laboratory, P. O. Box 5000, Upton, New York 11973-5000, USA
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32
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Galano A, Alvarez-Idaboy JR, Ruiz-Santoyo ME, Vivier-Bunge A. Glycolaldehyde + OH Gas Phase Reaction: A Quantum Chemistry + CVT/SCT Approach. J Phys Chem A 2004; 109:169-80. [PMID: 16839103 DOI: 10.1021/jp047490s] [Citation(s) in RCA: 63] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
We present a theoretical study of the mechanism and kinetics of the OH hydrogen abstraction from glycolaldehyde. Optimum geometries, frequencies, and gradients have been computed at the BHandHLYP/6-311++G(d,p) level of theory for all stationary points, as well as for additional points along the minimum energy path (MEP). Energies are obtained by single-point calculations at the above geometries using CCSD(T)/6-311++G(d,p) to produce the potential energy surface. The rate coefficients are calculated for the temperature range 200-500 K by using canonical variational theory (CVT) with small-curvature tunneling (SCT) corrections. Our analysis suggests a stepwise mechanism involving the formation of a reactant complex in the entrance channel and a product complex in the exit channel, for all the modeled paths. The overall agreement between the calculated and experimental kinetic data that are available at 298 K is very good. This agreement supports the reliability of the parameters obtained for the temperature dependence of the glycolaldehyde + OH reaction. The expressions that best describe the studied reaction are k(overall) = 7.76 x 10(-13) e(1328/)(RT) cm(3).molecule(-1).s(-1) and k(overall) = 1.09 x 10(-21)T(3.03) e(3187/)(RT) cm(3) molecule(-1) s(-1), for the Arrhenius and Kooij approaches, respectively. The predicted activation energy is (-1.36 +/- 0.03) kcal/mol, at about 298 K. The agreement between the calculated and experimental branching ratios is better than 10%. The intramolecular hydrogen bond in OO-s-cis glycolaldehyde is found to be responsible for the discrepancies between SAR and experimental rate coefficients.
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Affiliation(s)
- Annia Galano
- Instituto Mexicano del Petróleo, Eje Central Lazaro Cardenas 152, 007730 México D. F., México.
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Rate constants of gas-phase hydrogen abstraction reactions: a balance between the association and the abstraction dynamical bottlenecks. ACTA ACUST UNITED AC 2004. [DOI: 10.1016/j.theochem.2003.10.071] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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Alvarez-Idaboy JR, Cruz-Torres A, Galano A, Ruiz-Santoyo ME. Structure−Reactivity Relationship in Ketones + OH Reactions: A Quantum Mechanical and TST Approach. J Phys Chem A 2004. [DOI: 10.1021/jp036795o] [Citation(s) in RCA: 44] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Affiliation(s)
- J. Raúl Alvarez-Idaboy
- Instituto Mexicano del Petróleo, Eje Central Lázaro Cárdenas 152, 007730, México D. F., México
| | - Armando Cruz-Torres
- Instituto Mexicano del Petróleo, Eje Central Lázaro Cárdenas 152, 007730, México D. F., México
| | - Annia Galano
- Instituto Mexicano del Petróleo, Eje Central Lázaro Cárdenas 152, 007730, México D. F., México
| | - Ma. Esther Ruiz-Santoyo
- Instituto Mexicano del Petróleo, Eje Central Lázaro Cárdenas 152, 007730, México D. F., México
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Canneaux S, Sokolowski-Gomez N, Henon E, Bohr F, Dóbé S. Theoretical study of the reaction OH + acetone: a possible kinetic effect of the presence of water? Phys Chem Chem Phys 2004. [DOI: 10.1039/b409900a] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
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