The microwave spectrum of the pyramidal isomer of disulfur difluoride: SSF 2
Abstract
The pyramidal isomer of disulfur difluoride, SSF 2, has been prepared by passing gaseous disulfur dichloride through heated potassium fluoride. The microwave spectra of three isotopic species of SSF 2 have been measured in the 26- to 76-GHz frequency region. For the most abundant isotopic species transitions with J values up to 79 have been observed. These data have been combined with previous measurements of low- J lines by R. L. Kuczkowski [ J. Amer. Chem. Soc.86, 3617-3621 (1964)] and fit to obtain values for the rotational constants and centrifugal distortion constants. The quartic centrifugal distortion constants have been used together with existing vibrational data to determine an harmonic force field for the molecule. Finally, ground state average and equilibrium structures have been calculated for SSF 2.
- Publication:
-
Journal of Molecular Spectroscopy
- Pub Date:
- April 1986
- DOI:
- 10.1016/0022-2852(86)90134-7
- Bibcode:
- 1986JMoSp.116..371D