Thiocyanate Coordination to the {Ta6I12}2+ Cluster. Preparation and Crystal Structure of [K(Dibenzo-24-Crown-8)(CH3COCH3)]2(Ph4P)2[Ta6I12(NCS)6]

M. V. Shamshurin, T. S. Sukhikh, M. A. Mikhailov, D. G. Sheven, M. N. Sokolov

Research output: Contribution to journalArticlepeer-review

Abstract

The reaction of Ta6I14 with KNCS in acetonitrile in the presence of 24-dibenzo-crown-8 leads to dissolution of the tantalum iodide cluster to form the [Ta6I12(NCS)6]4− complex. By evaporation of the solution with the subsequent treatment of the precipitate with acetone and PPh4Br, dark green single crystals of the composition [K(C24H32O8)(CH3COCH3)]2(Ph4P)2[Ta6I12(NCS)6] CH3COCH3(1) are obtained with a yield of 29%. The product is characterized by elemental analysis, IR, and mass spectra. The crystal structure is determined by the X-ray diffraction analysis.

Original languageEnglish
Pages (from-to)727-733
Number of pages7
JournalJournal of Structural Chemistry
Volume61
Issue number5
DOIs
Publication statusPublished - 1 May 2020

Keywords

  • clusters
  • crown ethers
  • iodides
  • isothiocyanate complex {TaI}
  • tantalum
  • X-ray diffraction analysis

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