The millimeter/submillimeter spectrum of LiSH ((X)over-tilde1 A′):: further investigations of the metal-sulfur bond

被引：15
|
作者：
Janczyk, A
Ziruys, LM
机构：
[1] Univ Arizona, Dept Chem, Tucson, AZ 85721 USA
[2] Univ Arizona, Steward Observ, Dept Astron, Tucson, AZ 85721 USA
来源：
CHEMICAL PHYSICS LETTERS | 2002年 / 365卷 / 5-6期
基金：
美国国家科学基金会;
关键词：
D O I：
10.1016/S0009-2614(02)01504-X
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 pure rotational spectrum of USH and its Li-6 and deuterium isotopomers has been recorded in the region 73-521 GHz using millimeter/sub-millimeter direct absorption techniques. These species were created by the reaction of H2S or D2S and lithium vapor in a dc discharge. Extensive K-a ladder structure was observed for all three isotopomers, indicating that USH is a near-prolate asymmetric top with a (X) over tilde (1)A(1) electronic state. Rotational parameters have been determined for the three species, enabling the calculation of a r(m)((1)) structure. The Li-S-H bond angle was found to be 93degrees, indicating a high degree of covalent bonding in this molecule. (C) 2002 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：514 / 524
页数：11
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