Synthesis and Molecular Structure of Disulfane

The synthesis and structure of disulfane are presented. Pure disulfane, H , has been obtained by the cracking distillation of raw sulfane mixtures in a rotary evaporator, thus substituting the classical cracking column for the rotating flask of the evaporator. Pure, gaseous dideuterodisulfane could...

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Published inZeitschrift für Naturforschung. B, A journal of chemical sciences Vol. 46; no. 10; pp. 1338 - 1342
Main Authors Hahn, Josef, Schmidt, Petra, Reinartz, Klaus, Behrend, Jörg, Winnewisser, Gisbert, Yamada, Koichi M. T.
Format Journal Article
LanguageEnglish
Published Tübingen Verlag der Zeitschrift für Naturforschung 01.10.1991
Subjects
Chemistry
Elements and non-metal compounds (oxides, hydroxides, hydrides, sulfides, carbides, ...)
Exact sciences and technology
Inorganic chemistry and origins of life
Preparations and properties
Deuterium
Instrumentation
Isotope effect
Hydrogen Isotopes
Molecular structure
Preparation
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Summary:The synthesis and structure of disulfane are presented. Pure disulfane, H , has been obtained by the cracking distillation of raw sulfane mixtures in a rotary evaporator, thus substituting the classical cracking column for the rotating flask of the evaporator. Pure, gaseous dideuterodisulfane could be generated by the solvolysis of bis(methyldiphenylsilyl)disulfane, (MePh Si) , with D O in the presence of trichloroacetic acid as stabilizing agent. Partially deuterated disulfane has been prepared by H,D exchange between pure H and DCl. For the first time the molecular structure of HSSH has been determined based solely on microwave spectroscopy with the following parameters: r(SS) = 2.0564 A, r(SH) = 1.3421 A, dihedral angle γ = 90.34°, and <(SSH) = 97.88°.
ISSN:0932-0776
1865-7117
DOI:10.1515/znb-1991-1011