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1: Science. 2007 Apr 27;316(5824):585-7.
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Comment in:
A dinuclear Ni(mu-H)Ru complex derived from H2.

Ogo S, Kabe R, Uehara K, Kure B, Nishimura T, Menon SC, Harada R, Fukuzumi S, Higuchi Y, Ohhara T, Tamada T, Kuroki R.

Center for Future Chemistry, Kyushu University, Fukuoka 819-0395, Japan. ogo-tcm@mbox.nc.kyushu-u.ac.jp

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.

Publication Types:
PMID: 17463285 [PubMed - indexed for MEDLINE]