A molecular-beam Fourier transform microwave study of difluoromethane dimer

被引：41
|
作者：
Blanco, S [1 ]
López, JC [1 ]
Lesarri, A [1 ]
Alonso, JL [1 ]
机构：
[1] Univ Valladolid, Fac Ciencias, Dept Quim Fis, E-47005 Valladolid, Spain
来源：
JOURNAL OF MOLECULAR STRUCTURE | 2002年 / 612卷 / 2-3期
关键词：
molecular beam; molecular-beam Fourier transform microwave; hydrogen bond; molecular complexes; molecular structure;
D O I：
10.1016/S0022-2860(02)00096-0
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：
Difluoromethane dimer has been generated in a supersonic beam expansion and characterised using Fourier transform microwave spectroscopy. The rotational transitions of the parent species together with the spectra corresponding to both C-13 isotopomers have been measured. Spectral analysis yielded rotational and centrifugal distortion constants for the observed species. The r(0) and r(s) hydrogen-bond structural parameters of the complex were determined from the inertial data. The derived structure is consistent with a cooperative union in the dimer formed by three hydrogen bonds. (C) 2002 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：255 / 260
页数：6
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