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

Marckwordt, Annemarie and Rajasekharan-Nair, Rajeev and Steel, Graham and Kennedy, Alan R. and Reglinski, John and Spicer, Mark D. (2016) The first structurally characterised example of silicon in an S6 coordination sphere. European Journal of Inorganic Chemistry, 2016 (15-16). pp. 2552-2555. ISSN 1434-1948

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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.