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Issue 7, 2010
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The formation of a metalloid Sn10[Si(SiMe3)3]6 cluster compound and its relation to the α↔β tin phase transition

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Abstract

Very recently it was shown that Sn monohalides can be prepared in preparative scale applying a preparative co-condensation technique. Here, a first reaction of Sn(I)Br is presented leading to the metalloid cluster compound Sn10[Si(SiMe3)3]61. This reaction can be seen as a first step to metalloid cluster compounds applying the disproportionation reaction of a metastable Sn monohalide. The ten tin atoms in 1 are arranged in the form of a centaur polyhedron, representing a novel structural motif in tin chemistry. The structural and electronic properties of 1 and its relation to the phase transition α↔β tin are discussed with the aid of quantum chemical calculations as well as 119Sn Mössbauer spectroscopy.

Graphical abstract: The formation of a metalloid Sn10[Si(SiMe3)3]6 cluster compound and its relation to the α↔β tin phase transition

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Publication details

The article was received on 14 Oct 2009, accepted on 19 Nov 2009 and first published on 23 Dec 2009


Article type: Paper
DOI: 10.1039/B921392A
Citation: Dalton Trans., 2010,39, 1872-1876
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    The formation of a metalloid Sn10[Si(SiMe3)3]6 cluster compound and its relation to the α↔β tin phase transition

    C. Schrenk, I. Schellenberg, R. Pöttgen and A. Schnepf, Dalton Trans., 2010, 39, 1872
    DOI: 10.1039/B921392A

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