PHOTOCHEMISTRY OF CYANOACETYLENE AND DICYANOACETYLENE AT 193 NM

被引:28
作者
HALPERN, JB [1 ]
PETWAY, L [1 ]
LU, R [1 ]
JACKSON, WM [1 ]
MCCRARY, VR [1 ]
NOTTINGHAM, W [1 ]
机构
[1] UNIV DIST COLUMBIA,DEPT CHEM,WASHINGTON,DC 20008
关键词
D O I
10.1021/j100368a027
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 far-UV photochemistry of cyano- and dicyanoacetylene has been studied. In particular, those photolysis channels have been characterized that lead to the production of excited-state fragments and CN in the ground electronic state. Following photolysis of HC3N, in addition to direct production of CN and C2H, there is a second dissociation channel leading to C3N and H atoms. The results also show that at high laser intensity the HC3N dissociates by two-photon photolysis and that the C3N undergoes secondary photolysis. Photolysis of C4N2 produces CN and C3N radicals. © 1990 American Chemical Society.
引用
收藏
页码:1869 / 1873
页数:5
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