ABINITIO CONFIGURATION-INTERACTION STUDY OF EXCITED-STATES OF LINA3 AND LI2NA2 CLUSTERS - INTERPRETATION OF ABSORPTION-SPECTRA

被引:23
作者
BONACICKOUTECKY, V [1 ]
GAUS, J [1 ]
GUEST, MF [1 ]
KOUTECKY, J [1 ]
机构
[1] SERC,DARESBURY LAB,WARRINGTON WA4 4AD,CHESHIRE,ENGLAND
关键词
D O I
10.1063/1.462736
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
The ab initio configuration-interaction (CI) study of excited states of mixed alkali metal tetramers LiNa3 and Li2Na2 accounts for spectroscopic patterns obtained from the depletion spectra of neutral species, reproduces observed excitation energies and intensities for allowed transitions, and permits an assignment of cluster structures. For both mixed tetramers, the rhombic forms with a Li atom or atoms on the short diagonal are the most stable structures and give rise to predicted spectra in full agreement with the measured ones. The exact location of Li atoms seems to be more important in Li2Na2 than in LiNa3 since in the former case, only one isomer reproduces all features of the recorded spectrum.
引用
收藏
页码:4934 / 4944
页数:11
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