Abstract

Triplatinum complexes with bridging secondary germylene ligands, [{Pt(PMe3)}3(μ-GeR2)3] (R = Ph, nBu), were prepared from the reaction of H2GeR2 with [Pt(PMe3)4] in a 1:1 ratio. Protonation of the triplatinum complexes with HBF4 led to formation of the cationic hydride complexes [{Pt(PMe3)}3(μ-GeR2)3(μ3-H)]BF4 (R = Ph, nBu). The results of multinuclear NMR spectra and DFT calculations of the cationic complexes revealed that the Pt3H core has a trigonal-pyramidal structure with rapid exchange of the μ3-hydride ligand position between the two possible positions on the opposite side of the Pt3 plane.

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