KINETIC-STUDY OF OH REACTIONS WITH PERFLUOROPROPENE AND PERFLUOROBENZENE

被引:42
|
作者
MCILROY, A
TULLY, FP
机构
[1] Combustion Research Facility, Sandia National Laboratories, Livermore
来源
JOURNAL OF PHYSICAL CHEMISTRY | 1993年 / 97卷 / 03期
关键词
D O I
10.1021/j100105a013
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
We report the results of kinetic studies of the reactions OH + perfluoropropene (293-831 K) and OH + perfluorobenzene (244-830 K) performed by using the laser photolysis/cw, laser-induced fluorescence technique. The primary reactive step involves OH addition to a multiple bond. A reaction model based on the accepted mechanism for OH + hydrogenated unsaturate reactions is applied to the subject reactions with only partial success. We compare adduct bond dissociation energies determined from the reaction model with those computed in electronic-structure calculations. Discrepancies in these and other model-determined parameters suggest that fluorination of the unsaturated reactants significantly complicates the reaction mechanism.
引用
收藏
页码:610 / 614
页数:5
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