Calcium thiolates and selenolates: Synthesis and structures

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The synthesis and structural characterization of a family of calcium thiolates and selenolates is described. In the solid state the compounds adopt either contact pairs, as observed in Ca(THF)4(SMes*)2 (1), (Mes* 2,4,6-tBu3C6H2), and Ca(THF)4(SeMes*)2, (2), or separated ions as shown in [Ca(18-crown-6)(HMPA)2][SeMes*]2 (3). The two different ion association modes are induced by addition of specific donors. The compounds were prepared by metalation involving the reaction of elemental calcium dissolved in dry liquid ammonia with either HSMes* or Mes*SeSeMes*. All compounds were characterized by X-ray crystallography, NMR and IR spectroscopy.

Original languageEnglish (US)
Pages (from-to)851-856
Number of pages6
JournalZeitschrift fur Anorganische und Allgemeine Chemie
Issue number5
StatePublished - 2001


  • Calcium
  • Chalcogens
  • Crown compounds
  • Crystal structures

ASJC Scopus subject areas

  • Inorganic Chemistry


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