Jet-cooled rotational spectra and structure of the cyclobutanone ••• hydrogen chloride complex

被引：9
|
作者：
Antolínez, S [1 ]
López, JC [1 ]
Alonso, JL [1 ]
机构：
[1] Univ Valladolid, Fac Ciencias, Dept Quim Fis, E-47005 Valladolid, Spain
来源：
CHEMICAL PHYSICS LETTERS | 2000年 / 323卷 / 1-2期
关键词：
D O I：
10.1016/S0009-2614(00)00481-4
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 rotational spectra of three isotopic species C(4)H(6)O ... H(35)Cl, C(4)H(6)O ... H(37)Cl and C(4)H(6)O ... D(35)Cl of the hydrogen-bonded dimer formed by cyclobutanone and hydrogen chloride have been studied by means of microwave spectroscopy in a supersonic jet. Rotational constants, centrifugal distortion constants and Cl-nuclear quadrupole coupling parameters have been determined for the ground state and for a vibrationally excited state attributable to the ring-puckering motion of the cyclobutanone subunit. The spectroscopic constants have been interpreted in terms of a C(s) symmetry in which the monomers are coplanar with: r(O ... H) = 1.86(3) Angstrom, angle(C=O ... H) = 112.3(7)degrees and a deviation theta of the O ... H-Cl nuclei from collinearity of 13.1(6)degrees. (C) 2000 Elsevier Science B.V. All rights reserved.
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页码：130 / 136
页数：7
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