THE GROUND-STATE GEOMETRY OF THE NO3 RADICAL

被引:58
作者
KALDOR, U
机构
[1] School of Chemistry, Sackler Faculty of Exact Sciences, Tel Aviv University
关键词
D O I
10.1016/0009-2614(90)87156-L
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 coupled-cluster method with single and double excitations (CCSD) is used to investigate the equilibrium configuration and vibrational frequencies of the NO3 radical. The minimum-energy configuration is found to have D3h symmetry, in agreement with experiment and contrary to recent CASSCF calculations, with R(NO)=1.246 Å (experimental 1.24 Å). Good agreement is also found for the a′1 and a″2 vibrations, with large errors occurring for e′ frequencies. © 1990.
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页码:599 / 601
页数:3
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