The microwave spectra and molecular structures of 2-chloro-1,1-difluoroethylene and its complex with the argon atom

被引：25
|
作者：
Leung, Helen O. [1 ]
Marshall, Mark D. [1 ]
Messinger, Joseph P. [1 ]
Knowlton, Gregory S. [1 ]
Sundheim, Kathryn M. [1 ]
Cheung-Lau, Jasmina C. [1 ]
机构：
[1] Amherst Coll, Dept Chem, Amherst, MA 01002 USA
来源：
JOURNAL OF MOLECULAR SPECTROSCOPY | 2014年 / 305卷
基金：
美国国家科学基金会;
关键词：
Microwave spectroscopy; Molecular structure; Nuclear quadrupole coupling; 2-Chloro-1,1-difluoroethylene; Argon complex; Chirped pulse; Balle-Flygare Fourier transform microwave spectrometer; VAN;
D O I：
10.1016/j.jms.2014.09.011
中图分类号：
O64 [物理化学（理论化学）、化学物理学]; O56 [分子物理学、原子物理学];
学科分类号：
070203 ; 070304 ; 081704 ; 1406 ;
摘要：
The microwave spectra of six isotopologues each of 2-chloro-1,1-difluoroethylene and its argon complex are obtained in the 5.6-20.5 GHz region using a combination of broadband chirped pulse and Balle-Flygare cavity Fourier transform microwave techniques. The structure of the halogen substituted ethylene has been determined using a combination of theory and experiment. Argon is found to form a nonplanar complex with this haloethylene, locating in the CICCF cavity, which maximizes its interactions with the heavy atoms in the ethylene subunit. A combined analysis of the chlorine quadrupole coupling constants of the monomer and of the complex allows the sign of the only nonzero off-diagonal component of the quadrupole coupling tensor for the monomer to be determined; thus, the complete tensor for the monomer has been derived. (C) 2014 Elsevier Inc. All rights reserved.
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收藏
页码：25 / 33
页数：9
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