Electron-ion coincidence study of photofragmentation of the CdCl2 molecule

被引：3
|
作者：
Kettunen, J. A. [1 ]
Niskanen, J. [1 ]
Huttula, M. [1 ]
Vapa, M. [1 ]
Urpelainen, S. [2 ]
Aksela, H. [1 ]
机构：
[1] Univ Oulu, Dept Phys, FIN-90014 Oulu, Finland
[2] Lund Univ, Max Lab, SE-22100 Lund, Sweden
来源：
JOURNAL OF MASS SPECTROMETRY | 2011年 / 46卷 / 09期
基金：
芬兰科学院;
关键词：
cadmium; cadmium dichloride; pepico; fragmentation; dissociation; HEII PHOTOELECTRON-SPECTRA; HIGH-RESOLUTION HEI; DISSOCIATION DYNAMICS; ZINC; PHOTOIONIZATION; FRAGMENTATION; ACETYLENE; ATOMS; ZN; CD;
D O I：
10.1002/jms.1967
中图分类号：
Q5 [生物化学];
学科分类号：
071010 ; 081704 ;
摘要：
In this work, the photofragmentation subsequent to valence and Cd4d photoionization of cadmium dichloride (CdCl2) were studied using He I and synchrotron excitation. The measurements were performed with a photoelectron-photoion coincidence (PEPICO) setup, and the connection between the singly ionized electronic states and cationic fragments was investigated. The valence-ionized states were found to lead to CdCl2+, Cd+ and CdCl+. The Cd4d(-1) states were found to lead only to Cl+ ions. The observed charge transfer effect between Cd and Cl was concluded to take place due to internal conversion or fluorescence decay to dissociating valence states either directly or through consecutive fragmentation. The fragmentation energetics were investigated with molecular ab initio calculations, and the calculated energies were found to agree with the detected fragment appearances. Copyright (C) 2011 John Wiley & Sons, Ltd.
引用
收藏
页码：901 / 907
页数：7
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