MAIN GROUP METAL 1,3-DITHIOLE-2-THIONE-4,5-DITHIOLATO (DMIT) COMPOUNDS .3. SYNTHESIS OF TETRABUTYLAMMONIUM BIS(1,3-DITHIOLE-2-THIONE-4,5-DITHIOLATO)DIHALOSTANNATES - CRYSTAL-STRUCTURE OF [BU4N]2[I2SN(DMIT)2]

SMSV DOIDGEHARRISON, RA HOWIE, John Thomas Sirr Irvine, JL WARDELL

Research output: Contribution to journalArticlepeer-review

17 Citations (Scopus)

Abstract

Compounds [Bu4N]2[X2Sn(DMIT)2] [X = Br (4) or 1 (5); H2-DMIT = 4,5-dimercapto-1,3-dithiole-2-thione] have been prepared from [Bu4N]2[Zn(DMIT)2] and SnX4 in the presence of Bu4NBr. A crystal structure determination of 5 revealed it to consist of discrete [Bu4N] cations and [I2Sn(DMIT)2] dianions; the geometry about tin in the dianion is octahedral with chelating DMIT ligands and cis-iodide ligands [Sn-I = 2.724(5) and 2.727(3) angstrom; mean Sn-S (trans to I) = 2.560 angstrom and mean Sn-S (trans to S) = 2.530 angstrom]. The chelate bite angles are 82.9(4) and 83.1(4)-degrees.

Original languageEnglish
Pages (from-to)2223-2229
Number of pages7
JournalPolyhedron
Volume11
Issue number17
Publication statusPublished - Sept 1992

Keywords

  • SUPERCONDUCTOR
  • TRANSITION
  • MOLECULAR-STRUCTURE
  • LIGANDS
  • CHEMISTRY
  • X-RAY
  • COMPLEXES

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