Bimolecular fusion of [Pd3(μ-CN-C6H3Me2-2, 6)3(CN-C6H3Me2-2, 6)3] induced by Ph2GeH2: formation of the redox-active Pd6Ge2 complex. Issue 22 (9th May 2019)

• Record Type: Journal Article
• Authors: Koizumi, Take-aki; Tanaka, Kimiya; Tsuchido, Yoshitaka; Tanabe, Makoto; Ide, Tomohito; Osakada, Kohtaro
• Is Part Of: Dalton transactions. Volume 48:Issue 22(2019)
• Page Start: 7541
• Page End: 7545
• Publication Date: 2019-05-09
• Subjects: Chemistry, Inorganic -- Periodicals; Chemistry, Physical and theoretical -- Periodicals; Chemistry, Inorganic -- Periodicals; 546.05
• DOI: 10.1039/c9dt00814d
• Languages: English
• ISSNs: 1477-9226

Abstract

Abstract : The reaction of Ph2 GeH2 with a planar tripalladium(0) complex, [Pd3 (μ-CN-C6 H3 Me2 -2, 6)3 (CN-C6 H3 Me2 -2, 6)3 ], selectively afforded a hexagonal bipyramidal Pd6 Ge2 complex, [Pd6 (μ-GePh2 )2 (CN-C6 H3 Me2 -2, 6)8 (μ-CN-C6 H3 Me2 -2, 6)2 ]. Abstract : The reaction of Ph2 GeH2 with a planar tripalladium(0) complex, [Pd3 (μ-CN-C6 H3 Me2 -2, 6)3 (CN-C6 H3 Me2 -2, 6)3 ], selectively afforded a hexagonal bipyramidal Pd6 Ge2 complex, [Pd6 (μ-GePh2 )2 (CN-C6 H3 Me2 -2, 6)8 (μ-CN-C6 H3 Me2 -2, 6)2 ]. The molecule is stabilized by bridging coordination of isonitrile and GePh2 ligands, although all the Pd–Pd bonds are weak, as revealed by DFT calculations. The resulting complex undergoes two successive redox processes at E 1/2 = −1.35 and −1.03 V ( vs. Fc + /Fc), which correspond to the stepwise oxidation of the Pd(0)6 complex.