Rational Synthesis of [Ge<sub>9</sub>{Si(SiMe<sub>3</sub>)<sub>3</sub>}<sub>3</sub>]<sup>−</sup> from Its Parent Zintl Ion Ge<sub>9</sub><sup>4–</sup>
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Reported is the first rational synthesis of a trisubstituted deltahedral Zintl ion, [Ge9{Si(SiMe3)3}3]− in this case, by the addition of the three substituents in a reaction of the parent naked deltahedral Zintl ion Ge94– with {(Me3Si)3Si}Cl. The new species were crystallized and structurally characterized in [K(2,2,2-crypt)]2[Ge9{Si(SiMe3)3}3] (monoclinic, P21/c, a = 26.497(3) Å, b = 24.090(2) Å, c = 29.268(3) Å, β = 113.888(2)°, V = 17082(3) Å3, Z = 8, R1/wR2 = 0.0436/0.0812 for the observed data and 0.1023/0.1010 for all data).
创建时间：
2012-02-20
