Solid Sulfur Allotropes

  • Ralf SteudelEmail author
  • Bodo Eckert
Part of the Topics in Current Chemistry book series (TOPCURRCHEM, volume 230)


Sulfur is the element with the largest number of solid allotropes. Most of these consist of unbranched cyclic molecules with ring sizes ranging from 6 to 20. In addition, polymeric allotropes are known which are believed to consist of chains in a random coil or helical conformation. Furthermore, several high-pressure allotropes have been characterized. In this chapter the preparation, crystal structures, physical properties and analysis of these allotropes are discussed. Ab initio MO calculations revealed the existence of isomeric sulfur rings with partly rather unusual structures at high temperatures.


Sulfur homocycles Sulfur chains Polymerization Physical properties High-pressure allotropes Crystal structures 


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Authors and Affiliations

  1. 1.Institut für Chemie, Sekr. C2Technische Universität BerlinBerlinGermany
  2. 2.Fachbereich PhysikUniversität KaiserslauternKaiserslauternGermany

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