Neutral R3PAuGe9(Hyp)3 (R=Et, nPr, iPr, nBu, tBu, Cy) (Hyp=Si(SiMe3) Clusters give new insights into the ligand strength of the metalloid [Ge9(Hyp)3]- cluster
ZEITSCHRIFT FUR ANORGANISCHE UND ALLGEMEINE CHEMIE(2021)
摘要
We present new insights into the ligand strength of the metalloid [Ge-9(Hyp)(3)](-) cluster (Hyp=Si(SiMe3)(3)) alongside novel neutral Ge-9 clusters of the composition R3PAuGe9(Hyp)(3) (R=Et, Pr-n, Pr-i, Bu-n, Bu-t, Cy). These clusters are synthesized in good yields from KGe9(Hyp)(3) and R3PAuCl. Further experiments with these new clusters show that the ligand strength of [Ge-9(Hyp)(3)](-) is in between aryl and alkyl phosphines.
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关键词
Germanium,metalloid cluster,gold,ligand,molecular structure
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