NON-ADIABATIC PHOTODISSOCIATION DYNAMICS OF BRCL

被引：13

作者：

CAO, JY ^{[1
]}

LOOCK, HP ^{[1
]}

QIAN, CXW ^{[1
]}

机构：

[1] UNIV VICTORIA, DEPT CHEM, VICTORIA V8W 3P6, BC, CANADA

来源：

CANADIAN JOURNAL OF CHEMISTRY-REVUE CANADIENNE DE CHIMIE | 1994年 / 72卷 / 03期

关键词：

D O I：

10.1139/v94-101

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Nozzle-cooled BrCl was excited with tunable laser radiation at selected wavelengths between 389 and 500 nm. The chlorine atomic fragments in their Cl*(P-2(1/2)) and Cl(P-2(3/2)) State were stated-selectively probed by resonance-enhanced multiphoton ionization. The branching ratio (Cl*/(Cl + Cl*)) was measured as a function of the excitation wavelength. The relative Cl* yield reaches a maximum at around lambda(phot) = 460 nm. Decomposition of these branching ratios into Cl and Cl* photofragment yield spectra provides insight into the BrCl B-state (II)-I-3(0(+)) non-adiabatic dissociation dynamics. Our results suggest that the dissociation mechanism involves non-adiabatic transitions among 0(+) pial energy curves.

引用

页码：758 / 761

页数：4

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