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Title:Pure Rotational Spectroscopy Of Vinyl Mercaptan
Author(s):Martin-Drumel, Marie-Aline
Contributor(s):Schlemmer, Stephan; Lewen, Frank; Müller, Holger S.P.; Thorwirth, Sven; Zingsheim, Oliver
Subject(s):Small molecules
Abstract:Vinyl mercaptan (ethenethiol, CH$_2$$=$CHSH) exists in the gas phase in two distinct rotameric forms, \textit{syn} (planar) and \textit{anti} (quasi-planar in the ground vibrational state). The microwave spectra of these two isomers were investigated previously\footnote{M. Tanimoto et al. \textit{J. Mol. Spectrosc.} 78, 95--105 \& 106--119 (1979)} however not exceeding frequencies of about 65 GHz. In the present investigation, the pure rotational spectra of both species have been investigated at millimeter wavelengths. Vinyl mercaptan was produced in a radiofrequency discharge through a constant flow of ethanedithiol at low pressure. Both \textit{syn} and \textit{anti} rotamers were observed and new extensive sets of molecular parameters were obtained. Owing to its close structural relationship to vinyl alcohol and the astronomical abundance of complex sulfur-bearing molecules, vinyl mercaptan is a plausible candidate for future radio astronomical searches.
Issue Date:2014-06-16
Publisher:International Symposium on Molecular Spectroscopy
Citation Info:Martin-Drumel, M.; Schlemmer, S.; Lewen, F.; Müller, H.S.; Thorwirth, S.; Zingsheim, O. PURE ROTATIONAL SPECTROSCOPY OF VINYL MERCAPTAN. Proceedings of the International Symposium on Molecular Spectroscopy, Urbana, IL, June 16-21, 2014. DOI: 10.15278/isms.2014.MG15
Genre:CONFERENCE PAPER/PRESENTATION
Type:Text
Language:English
URI:http://hdl.handle.net/2142/50962
DOI:10.15278/isms.2014.MG15
Rights Information:Copyright 2014 by the authors. Licensed under a Creative Commons Attribution 4.0 International License. http://creativecommons.org/licenses/by/4.0/
Date Available in IDEALS:2014-09-17
2015-04-14


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