Department of Chemistry and Biochemistry, University of Notre Dame, Notre Dame, Indiana 46556, United States.
Inorg Chem. 2012 Feb 20;51(4):2706-8. doi: 10.1021/ic202744d. Epub 2012 Jan 30.
Reported is the first rational synthesis of a trisubstituted deltahedral Zintl ion, Ge(9){Si(SiMe(3))(3)}(3) in this case, by the addition of the three substituents in a reaction of the parent naked deltahedral Zintl ion Ge(9)(4-) with {(Me(3)Si)(3)Si}Cl. The new species were crystallized and structurally characterized in K(2,2,2-crypt)[Ge(9){Si(SiMe(3))(3)}(3)] (monoclinic, P2(1)/c, a = 26.497(3) Å, b = 24.090(2) Å, c = 29.268(3) Å, β = 113.888(2)°, V = 17082(3) Å(3), Z = 8, R1/wR2 = 0.0436/0.0812 for the observed data and 0.1023/0.1010 for all data).
报道了首例三取代的准四面体 Zintl 离子Ge(9){Si(SiMe3)3}(3)的合理合成,在这种情况下,通过母体裸露的准四面体 Zintl 离子 Ge(9)(4-)与{(Me3Si)3Si}Cl 的反应,添加三个取代基。新的物种被结晶并在[K(2,2,2-穴醚)]2[Ge(9){Si(SiMe3)3}(3)](单斜晶系,P2(1)/c,a = 26.497(3) Å,b = 24.090(2) Å,c = 29.268(3) Å,β = 113.888(2)°,V = 17082(3) Å(3),Z = 8,R1/wR2 = 0.0436/0.0812(观察数据)和 0.1023/0.1010(所有数据))中进行了结构表征。