Theoretical study on mechanisms and pathways of the atmospheric CF3O2 + BrO reaction

Theoretical study on mechanisms and pathways of the atmospheric CF3O2 + BrO reaction
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大气CF3O2 BrO反应机理和路径的理论研究

DOI:
10.1016/j.jfluchem.2015.09.005
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发表时间:
2015-12
影响因子:
1.9
通讯作者:
Wang Rongshun
Wang Rongshun
中科院分区:
化学4区
文献类型:
--
作者:
Tang Yizhen;Zhang Wei;Song Zhiwen;Wang Xiangyu;Sun Jingyu;Wang Rongshun

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采用量子化学方法,研究了大气中CF 3 O2 + BrO反应的机理和反应途径。结果表明,在低于300 K的大气条件下,主要产物为CF 3 OOOBr、CF 3 OOBrO和CF 3 O + BrOO。而其它产物包括CF 3 OBrO 2、CF2 O + FBrO 2、CF2 O + FOBrO、CF2 O2 + FOBr、CF2 O + FOOBr、CF 3 OOBr + O(3 P)、CF 3 OBr + O2(1Δ)和CF 3 O + OBrO由于高势垒和/或不稳定的形成而可忽略。在CX_3O_2 + BrO(X= H和F)反应中发现了一些与氢有关的作用,而卤素取代对CF_3O_2 +YO(Y= Cl,Br和I)反应有一定的贡献。
Using quantum chemistry methods, mechanisms and reaction pathways of the atmospheric CF3O2+ BrO reaction have been investigated. The result indicates that the most important products include CF3OOOBr, CF3OOBrO and CF3O + BrOO in the atmospheric conditions below 300 K. While other products including CF3OBrO2, CF2O + FBrO2, CF2O + FOBrO, CF2O2+ FOBr, CF2O + FOOBr, CF3OOBr + O(3P), CF3OBr + O2(1Δ) and CF3O + OBrO are negligible due to high barriers and/or unstable formations. Moreover, some roles relative to hydrogen are found in the CX3O2+ BrO (X= H and F) reactions; while halogen substitution makes a certain contribution to the CF3O2+YO (Y= Cl, Br and I) reactions.
DOI: 10.1021/es00055a036
发表时间: 1994-06
影响因子: 11.4
作者:
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