Isolation of the polysulfide complex [(UO2)(S2)3]4- from the in situ formation and subsequent reaction of uranyl cations in molten alkali metal polysulfide salts

Anthony C. Sutorik, Mercouri G. Kanatzidis

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Abstract

The new uranyl polychalcogenide compounds Cs4(UO2)(S2)3 and Na4(UO2)(S2)3 · Na2S3 were synthesized in molten polysulfide salts in the temperature range of 350-400°C and were characterized with single crystal X-ray crystallography. Both compounds contain the mononuclear anionic complex [(UO2)(S2)3]4-. The uranyl cation is coordinated to three chelating (S2)2- species such that the midpoints of each disulfide define the equatorial positions of a trigonal bipyramidal coordination for U.

Original languageEnglish
Pages (from-to)3921-3927
Number of pages7
JournalPolyhedron
Volume16
Issue number22
DOIs
Publication statusPublished - Sep 15 1997

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Keywords

  • Flux synthesis
  • Molten salt
  • Polychalcogenide complex
  • Polysulfide complex
  • Uranyl ion

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Inorganic Chemistry
  • Materials Chemistry

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