ANISOTROPY AND ENERGY DISPOSAL IN THE 193-NM N2O PHOTODISSOCIATION MEASURED BY VUV LASER-INDUCED FLUORESCENCE OF O(D(1))

被引:52
作者
SPRINGSTEEN, LL
SATYAPAL, S
MATSUMI, Y
DOBECK, LM
HOUSTON, PL
机构
[1] CORNELL UNIV,DEPT CHEM,ITHACA,NY 14853
[2] HOKKAIDO UNIV,INST ELECT SCI,SAPPORO,HOKKAIDO 060,JAPAN
[3] HOKKAIDO UNIV,GRAD SCH ENVIRONM EARTH SCI,SAPPORO,HOKKAIDO 060,JAPAN
关键词
D O I
10.1021/j100130a019
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
Laser-induced fluorescence near 115 nm has been used to measure the Doppler profile of the O(1D) product of 193-nm N2O photolysis. The anisotropy of product recoil vectors is characterized by the parameter beta = 0.50 +/- 0.05. The measured velocity distribution can be used to calculate a distribution of recoil energies that is in reasonable agreement with that reported recently by Felder, Haas, and Huber; an average of 27.3 kcal/mol is deposited into translation, leaving almost-equal-to 37 kcal/mol for the internal excitation of the N2 fragment.
引用
收藏
页码:7239 / 7241
页数:3
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