Local modes of silane within the framework of stretching vibrational polyads

被引：10
作者：
Crogman, H.
Boudon, V.
Sadovskii, D. A.
机构：
[1] Univ Bourgogne, CNRS, UMR 5209, Inst Carnot Bourgogne, F-21078 Dijon, France
[2] Univ Littoral, Dept Phys, F-59140 Dunkerque, France
来源：
EUROPEAN PHYSICAL JOURNAL D | 2007年 / 42卷 / 01期
关键词：
D O I：
10.1140/epjd/e2007-00011-3
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We define stretching relative equilibria (RE) of silane and other similar tetrahedral molecules in terms of the dynamical polyad symmetry which assumes the resonance condition 1:1 between the two stretching vibrational modes nu(1) and nu(3) of the molecule. Exploiting symmetry and topology arguments and reducing the dimension of the classical mechanical system, we find these RE. One of them, with local symmetry C-3 nu. and minimal energy within a polyad, corresponds to the local modes. We give the upper energy limit of the local mode localization within a polyad.
引用
收藏
页码：61 / 72
页数：12
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