Theoretical study of the A1Π-X1Σ+ and E1Σ+-X1Σ+ bands of SiO

被引：11

作者：

Drira, I ^{[1
]}

Spielfiedel, A

Edwards, S

Feautrier, N

机构：

[1] Observ Paris, Dept Atomes & Mol Astrophys, Sect Meudon, F-92195 Meudon, France

[2] Observ Paris, URA812, Sect Meudon, CNRS, F-92195 Meudon, France

来源：

JOURNAL OF QUANTITATIVE SPECTROSCOPY & RADIATIVE TRANSFER | 1998年 / 60卷 / 01期

关键词：

D O I：

10.1016/S0022-4073(97)00165-9

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Franck-Condon factors and radiative lifetimes of the A(1) pi-X-1 Sigma(+) and E-1 Sigma(+)- X-1 Sigma(+) transitions of the SiO-molecule have been calculated from accurate ab initio MRCI calculations including electronic transition moment variations. A comparison of the present results with the RKR potentials shows a good agreement and the deduced spectroscopic constants agree reasonably well with the experimental values. The variations of the electronic transition moment of the two bands are compared with the few experimental data and critically discussed. (C) 1998 Published by Elsevier Science Ltd. All rights reserved.

引用

页码：1 / 8

页数：8

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