Hexasulfur

Hexasulfur

Names
Systematic IUPAC name Hexathiane[1]
Identifiers
CAS Number	13798-23-7
3D model (Jmol)	Interactive image
ChemSpider	123119 Y
PubChem	139602
InChI InChI=1S/S6/c1-2-4-6-5-3-1 Y Key: FEXCMMPRRBSCRG-UHFFFAOYSA-N Y
SMILES S1SSSSS1
Properties
Chemical formula	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

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.

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.

References