Molecular brass: Cu4Zn4, a ligand protected superatom cluster
Literature Information
Kerstin Freitag, Hung Banh, Christian Gemel, Rüdiger W. Seidel, Samia Kahlal, Jean-Yves Saillard, Roland A. Fischer
The first example of ligand protected Cu–Zn clusters is described. Reaction of [CpCu(CNtBu)] with [Zn2Cp*2] yields [(CuCNtBu)4(ZnCp*)4] (1a) and [(CuCNtBu)4(ZnCp*)3(ZnCp)] (1b). According to DFT calculations, the [Cu4Zn4] unit fulfils the unified superatom model for cluster valence shell closing.
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