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{[Si(SiMe<sub>3</sub>)<sub>3</sub>]<sub>2</sub>Ge<sub>9</sub>-SiMe<sub>2</sub>-(C<sub>6</sub>H<sub>4</sub>)-SiMe<sub>2</sub>-Ge<sub>9</sub>[Si(SiMe<sub>3</sub>)<sub>3</sub>]<sub>2</sub>K}<sup>−</sup>: The Connection of Metalloid Clusters via an Organic Linker
25
Citations
35
References
2017
Year
The reaction of [(Hyp)2Ge9]2– (Hyp = Si(SiMe3)3) with ClSiMe2-C6H4-SiMe2Cl gives [K(THF)][(Hyp)2Ge9-SiMe2-C6H4-SiMe2-Ge9(Hyp)2K] K1 in 45% yield in the form of orange-red crystals. 1 is thereby the first compound where two Ge9(Hyp)2 clusters are bound together via a bridging ligand. 1 is stable in solution but cannot be transferred intact into the gas phase via electrospray ionization indicating a higher reactivity with respect to other metalloid Ge9R3 clusters. The arrangement of the nine germanium atoms within the two Ge9 units in 1 is unique for metalloid Ge9R3 clusters. Quantum chemical calculations further reveal an electronic interaction of the two Ge9 units in 1 via the bridging phenylene group.
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