A complex of molecular fluorine with an organic compound detected in the gas phase: The rotational spectrum of CH3CN center dot center dot center dot F-2

被引：13

作者：

Cotti, G ^{[1
]}

Cooke, SA ^{[1
]}

Evans, CM ^{[1
]}

Holloway, JH ^{[1
]}

Legon, AC ^{[1
]}

机构：

[1] UNIV LEICESTER,DEPT CHEM,LEICESTER LE1 7RH,LEICS,ENGLAND

来源：

CHEMICAL PHYSICS LETTERS | 1996年 / 260卷 / 3-4期

关键词：

D O I：

10.1016/0009-2614(96)00861-5

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：

A complex of methyl cyanide and molecular fluorine was detected by using a fast-mixing nozzle in a Fourier-transform microwave spectrometer. Ground-state rotational spectra of three symmetric-top isotopomers (CH3CN)-N-14 ... F-2, (CD3CN)-N-14 ... F-2 and (CH3CN)-N-15 ... F-2 were analysed to give the spectroscopic constants B-0 D-J D-JK, H-JK and chi(aa)(N-14) Interpretation of the spectroscopic constants revealed that the order of the nuclei on the molecular symmetry axis is C-C=N ... F-F, that r(N ... F-i) = 2.748(3) Angstrom and that the complex is weakly bound as judged by the value of the intermolecular stretching force constant k(sigma) = 2.5 N m(-1) and the bending force constant k(theta) = 4 X 10(-21) J rad(-2).

引用

页码：388 / 394

页数：7

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