摘要：

Frank-Kasper polyhedrons suitable for the description of the structures of intermetallic phases can also be used to describe the structures of the Cu-rich clusters, which are among the compounds formed by the reactions of CuCl with phosphanes and Te(Si-Me3)2. The Cu-poor compound 1 in contrast contains a Cu, butterfly cluster with two mu4-Te(2)-2 ligands (structure shown right).

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