SIMILARITIES AND DIFFERENCES IN THE ADDITION-REACTIONS OF SILYLENE (SIH2, (1)A(1)) AND METHYLENE (CH2, (1)A(1)) TO C2H4

被引:23
作者
ALRUBAIEY, N
FREY, HM
MASON, BP
MCMAHON, C
WALSH, R
机构
[1] Department of Chemistry, University of Reading, Whiteknights, Reading, RG6 2AD
关键词
D O I
10.1016/0009-2614(93)90013-Q
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
Absolute rate constants have been measured for the reaction of SiH2 (1A1) with C2H4 at room temperature in highly diluted ps mixtures with Ar and SF6. Rate constants are pressure dependent consistent with a third-body mediated association process. This is supported by RRKM calculations on silirane (silacyclopropane). Differences with the reaction of CH2(1A1)+C2H4 are explained on energetic grounds.
引用
收藏
页码:301 / 305
页数:5
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