DEUTERIUM-ISOTOPE EFFECT IN VINYL RADICAL COMBINATION DISPROPORTIONATION REACTIONS

被引：14
|
作者：
FAHR, A
LAUFER, AH
机构：
[1] Chemical Kinetics and Thermodynamics Division, National Institute of Standards and Technology, Gaithersburg
[2] Chemical Sciences Division, Office of Basic Energy Sciences, Department of Energy, Washington
来源：
JOURNAL OF PHYSICAL CHEMISTRY | 1995年 / 99卷 / 01期
关键词：
D O I：
10.1021/j100001a040
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：
The deuterium isotope effect for the vinyl radical combination and disproportionation reactions have been investigated. Protonated or deuterated vinyl and methyl radicals are produced from the 193 nm photolysis of protonated or perdeuterated methyl vinyl ketone. On the basis of product yield measurements, no isotope effect for the combination reactions of either vinyl-vinyl or vinyl-methyl has been observed. From the relative yields of ethylene, an isotope effect of k(H)/k(D) = 1.20 is determined for the vinyl-vinyl disproportionation reaction.
引用
收藏
页码：262 / 264
页数：3
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