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. 2007 Apr 27;316(5824):585-7.
doi: 10.1126/science.1138751.

A dinuclear Ni(mu-H)Ru complex derived from H2

Seiji Ogo  1 , Ryota Kabe, Keiji Uehara, Bunsho Kure, Takashi Nishimura, Saija C Menon, Ryosuke Harada, Shunichi Fukuzumi, Yoshiki Higuchi, Takashi Ohhara, Taro Tamada, Ryota Kuroki
Affiliations

A dinuclear Ni(mu-H)Ru complex derived from H2

Seiji Ogo et al. Science. .

Abstract

Models of the active site in [NiFe]hydrogenase enzymes have proven challenging to prepare. We isolated a paramagnetic dinuclear nickel-ruthenium complex with a bridging hydrido ligand from the heterolytic cleavage of H2 by a dinuclear NiRu aqua complex in water under ambient conditions (20 degrees C and 1 atmosphere pressure). The structure of the hexacoordinate Ni(mu-H)Ru complex was unequivocally determined by neutron diffraction analysis, and it comes closest to an effective analog for the core structure of the proposed active form of the enzyme.

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