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Rotational spectrum and properties of a gas-phase complex of molecular fluorine and hydrogen cyanide

Authors
Journal
Chemical Physics Letters
0009-2614
Publisher
Elsevier
Publication Date
Volume
262
Identifiers
DOI: 10.1016/0009-2614(96)01065-2
Disciplines
  • Mathematics

Abstract

Abstract Ground-state rotational spectra of three isotopomers HC 14N … F 2, HC 15N … F 2 and DC 14N … F 2 of a complex formed by hydrogen cyanide and molecular fluorine were observed by using a fast-mixing nozzle in a Fourier transform microwave spectrometer. Effects of F-F spin-spin and F-spin rotation coupling were observed in the spectra of HC 15N … F 2 and HC 14N … F 2 and allowed for in the analysis. Spectroscopic constants B 0, D J and ξ aa( 14 N) appropriate to a linear molecule HCN … F 2 were determined and interpreted in terms of the geometry and binding strength of the complex. Properties of several axially symmetric complexe involving the N … X 2 weak bond (X = F or Cl) are compared.

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