Gas-phase reaction of the Cl atoms with dimethylbenzaldehyde isomers

被引：4
|
作者：
El Dib, G. [1 ]
Chakir, A. [2 ,3 ]
Daele, V. [4 ]
Mellouki, A. [4 ]
机构：
[1] Univ Rennes 1, Lab PALMS, Equipe Astrochim Expt, CNRS UMR 6627, F-35042 Rennes, France
[2] Univ Reims, Lab GSMA, F-51687 Reims 02, France
[3] CNRS, Lab GSMA UMR 6089, UFR Sci, F-51687 Reims 02, France
[4] ICARE CNRS, F-45071 Orleans 02, France
来源：
CHEMICAL PHYSICS LETTERS | 2008年 / 455卷 / 4-6期
关键词：
D O I：
10.1016/j.cplett.2008.02.068
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Rate coefficients for the gas-phase reactions of Cl atoms with three isomers of dimethylbenzaldehyde (DMBs) have been determined using the relative rate method. Relative rate measurements were performed in a Teflon reaction chamber at 298 +/- 3 K and atmospheric pressure. The rate constants obtained (10(-11) cm(3) molecule(-1) s(-1)) were, respectively, 8.8 +/- 1.7, 9.5 +/- 1.4 and 9.6 +/- 1.6 for 2,4-DMB, 2,5-DMB and 3,5-DMB. This work provides the first kinetic determination of the gas-phase reactions of Cl atoms with DMBs. Our results are compared with the OH reaction with the same DMBs and discussed in terms of structure-reactivity relationship and the atmospheric impact of DMBs. (C) 2008 Elsevier B.V. All rights reserved.
引用
收藏
页码：151 / 155
页数：5
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