HSSH revisited: The high-resolution Fourier transform spectrum of the ground state between 30 and 90 cm −1

The spectrum of disulfane (HSSH) between 30 and 380 cm −1 has been recorded in absorption using a new high-resolution Fourier transform spectrometer at the Justus-Liebig Universität Giessen. The spectrometer is briefly described, as well as procedures concerning the synthesis and handling of this qu...

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Bibliographic Details
Published in:Journal of molecular spectroscopy 1987-12, Vol.126 (2), p.255-269
Main Authors: Plummer, G.M., Winnewisser, G., Winnewisser, M., Hahn, J., Reinartz, K.
Format: Article
Language:English
Subjects:
Atomic and molecular physics
Exact sciences and technology
Molecular properties and interactions with photons
Physics
Properties of molecules and molecular ions
Rotation, vibration and vibration-rotation constants
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Summary:The spectrum of disulfane (HSSH) between 30 and 380 cm −1 has been recorded in absorption using a new high-resolution Fourier transform spectrometer at the Justus-Liebig Universität Giessen. The spectrometer is briefly described, as well as procedures concerning the synthesis and handling of this quasi-stable species. A combined analysis of previous microwave data on the HSSH ground state and over 600 newly assigned lines between 30 and 90 cm −1 has been carried out, yielding the effective spectroscopic parameters of the Watson S-reduced Hamiltonian. Examples of the strikingly simple perpendicular spectrum of this nearly symmetric prolate rotor are presented.
ISSN:0022-2852
1096-083X
DOI:10.1016/0022-2852(87)90235-9