Oxidation of Methyl Propanoate by the OH Radical
- 作者: Mahmoud M.1, El-Demerdash S.2, Gogary T.3,4,5, El-Nahas A.2
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隶属关系:
- Fundamental Science Department, Tanta Higher Institute of Engineering and Technology
- Chemistry Department, Faculty of Science, Menoufia University
- Chemistry Department, Faculty of Science, Jazan University
- School of Allied Health Sciences, Faculty of Health and Life Sciences, De Montfort University
- Chemistry Department, Faculty of Science, Damietta University
- 期: 卷 92, 编号 12 (2018)
- 页面: 2476-2484
- 栏目: Chemical Kinetics and Catalysis
- URL: https://journals.rcsi.science/0036-0244/article/view/170252
- DOI: https://doi.org/10.1134/S0036024418120294
- ID: 170252
如何引用文章
详细
Atmospheric oxidation of methyl propanoate (MP) by the OH radical has been performed using density functional theory (BMK, BBIK) and ab initio (MP2, CBS-QB3) calculations. The thermodynamic and kinetic parameters are calculated. Three channels have been discussed. These reactions occur through low energy barriers of 3.2–4.3 kcal/mol. The energy barriers increase in the order α < µ < β at CBS–QB3. However, BMK shows slightly different order. Rate constants and branching ratios reveal that the H-abstraction from Cα is as the dominant reaction over the whole temperature range of 200–300 K, with a competition from Cβ channel at lower temperature. The BB1K data reproduce the available experimental rate constant.
作者简介
Mohamed Mahmoud
Fundamental Science Department, Tanta Higher Institute of Engineering and Technology
Email: amelnahas@hotmail.com
埃及, Tanta
Safinaz El-Demerdash
Chemistry Department, Faculty of Science, Menoufia University
Email: amelnahas@hotmail.com
埃及, Shebin El-kom, 32512
Tarek Gogary
Chemistry Department, Faculty of Science, Jazan University; School of Allied Health Sciences, Faculty of Health and Life Sciences, De Montfort University; Chemistry Department, Faculty of Science, Damietta University
编辑信件的主要联系方式.
Email: tarekelgogary@yahoo.com
沙特阿拉伯, Jazan, 2097; Leicester; New Damietta, 34517
Ahmed El-Nahas
Chemistry Department, Faculty of Science, Menoufia University
编辑信件的主要联系方式.
Email: amelnahas@hotmail.com
埃及, Shebin El-kom, 32512