A Dinuclear Ni(µ-H)Ru Complex Derived from H 2-Reference-Cited by-同舟云学术

A Dinuclear Ni(µ-H)Ru Complex Derived from H 2

Published:2007-04-27 Issue:5824 Volume:316 Page:585-587
ISSN:0036-8075
Container-title:Science
language:en
Short-container-title:Science

Author:

Ogo Seiji¹²³⁴,Kabe Ryota¹²³⁴,Uehara Keiji¹²³⁴,Kure Bunsho¹²³⁴,Nishimura Takashi¹²³⁴,Menon Saija C.¹²³⁴,Harada Ryosuke¹²³⁴,Fukuzumi Shunichi¹²³⁴,Higuchi Yoshiki¹²³⁴,Ohhara Takashi¹²³⁴,Tamada Taro¹²³⁴,Kuroki Ryota¹²³⁴

Affiliation:

1. Center for Future Chemistry, Kyushu University, Fukuoka 819–0395, Japan.

2. Department of Material and Life Science, Division of Advanced Science and Biotechnology, Graduate School of Engineering, Osaka University, Solution-Oriented Research for Science and Technology, Japan Science and Technology Agency (JST), Suita, Osaka 565–0871, Japan.

3. Department of Life Science, Graduate School of Life Science, University of Hyogo, Koto, Kamigori, Hyogo 678–1297, Japan.

4. Research Group for Molecular Structural Biology, Quantum Beam Science Directorate, Japan Atomic Energy Agency, Tokai, Ibaraki 319–1195, Japan.

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 H 2 by a dinuclear NiRu aqua complex in water under ambient conditions (20°C and 1 atmosphere pressure). The structure of the hexacoordinate Ni(μ-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.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

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