MASS-SPECTROMETRIC STUDY OF THE PHOTOIONIZATION OF CS - THE DISSOCIATION-ENERGY OF THE CS MOLECULE

被引：16

作者：

COPPENS, P

DROWART, J

机构：

[1] Laboratorium voor Fysische Chemie, Vrije Universiteit Brussel, Pleinlaan 2, 1050 Brussels,

来源：

CHEMICAL PHYSICS LETTERS | 1995年 / 243卷 / 1-2期

关键词：

D O I：

10.1016/0009-2614(95)00850-4

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：

A mass spectrometric study of the photoionization of CS provides 11.319 +/- 0.006 eV for the ionization potential, in agreement with literature values. Three Rydberg series converging to the C-2 Sigma(+) State of the molecular ion are identified. Their limit is 18.003 +/- 0.006 eV. The threshold for dissociative ionization of CS towards S+ is located at 70.05 +/- 0.1 nm and yields D-0(CS, 0 K)= 709.4 +/- 2.5 kJ/mol. This result is briefly compared with prior data. D-0(CS, 0 K)= 709.6 +/- 1.2 kJ/mol and D-0(CS+, 0 K)= 617.1 +/- 1.3 kJ/mol are selected as the best estimates for these quantities.

引用

页码：108 / 113

页数：6

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