{Sn<sub>9</sub>[Si(SiMe<sub>3</sub>)<sub>3</sub>]<sub>3</sub>}<sup>−</sup> and {Sn<sub>8</sub>Si[Si(SiMe<sub>3</sub>)<sub>3</sub>]<sub>3</sub>}<sup>−</sup>: Variations of the E<sub>9</sub> Cage of Metalloid Group 14 Clusters
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The disproportionation reaction of the subvalent metastable halide SnBr proved to be a powerful synthetic method for the synthesis of metalloid cluster compounds of tin. Hence, the neutral metalloid cluster compound Sn10[Si(SiMe3)3]6 (3) was synthesized from the reaction of SnBr with LiSi(SiMe3)3. In the course of the reaction anionic clusters might also be present, and we now present the first anionic cluster compound {Sn8E[Si(SiMe3)3]3}− (E = Si, Sn), where one position in the cluster core is occupied by a silicon or a tin atom, giving further insight into structural variations of E9 cages in metalloid group 14 cluster compounds.
创建时间：
2012-04-02
