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EBIHARA Masahiro
Title Professor
Department Department of Chemistry and Biomolecular Science
Course Materials Chemistry Course

Research fields

Syntheses, structure and properties of novel metal-metal bonded complexes are our main interest. The order of metal-metal bonds varies with metal and its oxidation states and the largest one is five. We have studied　synthesis, structure, and properties of the metal complexes with metal-metal bonds. Our recent topics are as follows.
1. Syntheses and electronic structures of novel hetero-metal dinuclear or trinuclear complexes with metal-metal bonds. The complexes with PtRh and IrRu have been synthesized.
2. Novel rhodium, ruthenium, and iridium dinuclear complexes with metal-metal bond and their assembled structures. Novel honeycomb and diamondoid structures of dirhodium complexes with halide ions have been reported.
3. Mixed valency in the dimer of Lantern-type dinuclear complexes connected by multiple hydrogen bonds. Half-lantern type dirhodium complexes with biimidazole ligands and carboxylate bridges have been synthesized and its mixed valency along the oxidation process was discussed.

Fig1 honeycomb structure of dirhodium amidate complexes with bromide ions Fig2 Dimer of dirhodium complexes connected with quadruple hydrogen bonds

Research Keywords

Coordination Chemistry Metal-metal Bond Assembled structure

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