Hexasulfur

Hexasulfur (systematically named hexathiane, and cyclo-hexasulfur) is an inorganic chemical with the chemical formula S
6, consisting of a ring of six sulfur atoms. It is thus a simple cyclosulfane and an allotrope of sulfur. It is also the final member of the thiane heterocyclic series, where every carbon is substituted with a sulfur atom.

Hexasulfur
Names
Systematic IUPAC name
Hexathiane[1]
Identifiers
3D model (JSmol)
ChemSpider
Properties
S6
Molar mass 192.36 g·mol−1
Appearance Vivid, orange, opaque crystals
Related compounds
Related compounds
 Octasulfur
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Nomenclature

The name hexasulfur is the most commonly used and preferred IUPAC name and is constructed according to the compositional nomenclature. The systematic name hexathiane, a valid IUPAC name, is constructed according to the substitutive nomenclature. Another valid IUPAC systematic name cyclo-hexasulfur is constructed according to the additive nomenclature.

Structure

Hexasulfur adopts a chair configuration similar to that of cyclohexane, with bond angles of 102.2°. The sulfur atoms are equivalent.[2]

References
  1. "S6 - PubChem Public Chemical Database". The PubChem Project. USA: National Center for Biotechnology Information.
  2. Greenwood, Norman N.; Earnshaw, Alan (1997). Chemistry of the Elements (2nd ed.). Butterworth-Heinemann. p. 656. ISBN 978-0-08-037941-8.
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