AB-INITIO PREDICTIONS OF OPTICALLY ALLOWED TRANSITIONS IN NA-20 - NATURE OF EXCITATIONS AND INFLUENCE OF GEOMETRY

被引：16
作者：
BONACICKOUTECKY, V
FANTUCCI, P
FUCHS, C
GATTI, C
PITTNER, J
POLEZZO, S
机构：
[1] UNIV MILAN,CTR CNR,DIPARTIMENTO CHIM INORGAN METALLORGAN & ANAL,I-20133 MILAN,ITALY
[2] CTR CNR,RELAZ STRUTTURA & REATT CHIM,I-20133 MILAN,ITALY
来源：
CHEMICAL PHYSICS LETTERS | 1993年 / 213卷 / 5-6期
关键词：
D O I：
10.1016/0009-2614(93)89153-9
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：
An ab initio investigation shows that the deformed section of the fcc lattice for Na-20 with T(d) symmetry gives rise to three intense transitions with differing oscillator strengths due to excitations localized in different parts of the cluster. These predictions are in agreement with the experimental findings by two-photon femtosecond spectroscopy and the depletion technique. The study of different structures for Na-20 reveals that the spectroscopic patterns strongly depend on the position of the nuclei.
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页码：522 / 526
页数：5
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