Competition between two- and three-body decay of Cl2O

被引：5
|
作者：
Roth, M [1 ]
Einfeld, T [1 ]
Gericke, KH [1 ]
Maul, C [1 ]
机构：
[1] Tech Univ Braunschweig, Inst Phys & Theoret Chem, D-3300 Braunschweig, Germany
来源：
PHYSICS AND CHEMISTRY OF THE EARTH PART C-SOLAR-TERRESTIAL AND PLANETARY SCIENCE | 2001年 / 26卷 / 07期
关键词：
D O I：
10.1016/S1464-1917(01)00039-3
中图分类号：
P3 [地球物理学]; P59 [地球化学];
学科分类号：
0708 ; 070902 ;
摘要：
The photodissociation dynamics of Cl2O at 235nm and 207nm are investigated. The chlorine atoms generated via dissociation into the radical and three-body decay channel are detected state specifically in a (2+1)-REMPI process. At 235nm the Cl2O molecule was excited to the 1(2)B(1) state and the decay is dominated by the radical dissociation Cl2O+h nu --> ClO+Cl. At 207nm an excitation into the 2(1)A(1) state takes place, which dissociates predominantly into the three-body channel Cl2O+h nu --> 2Cl+O. The three-body decay is characterized based on the fragment kinetic energy distributions at 235nm and 207nm. The shape of the energy distributions points to an asynchronous concerted decay mechanism. (C) 2001 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码：513 / 517
页数：5
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