The first structurally characterised example of silicon in an S6 coordination sphere

Annemarie Marckwordt, Rajeev Rajasekharan-Nair, Graham Steel, Alan R. Kennedy, John Reglinski, Mark D. Spicer

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Abstract

The reaction of sodium hydro-tris(phenylthioimidazolyl)borate (NaTmPh) with silicon tetraiodide gives rise to the first crystallographically characterised molecular silicon compounds, [Si(TmPh)2] 2X (X = I- and I3- ), in which the silicon is found in a regular S6 environment. The [Si(TmPh)2]2+ cation is subjected to analysis using DFT methods to explain why an S6 coordination motif is preferred to an S4 coordination motif.
Original languageEnglish
Pages (from-to)2552-2555
Number of pages4
JournalEuropean Journal of Inorganic Chemistry
Volume2016
Issue number15-16
Early online date1 Mar 2016
DOIs
Publication statusPublished - 30 Jun 2016

Keywords

  • silicon tetraiodide
  • silicon compounds
  • soft scorpionates

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