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.
Authors
12
- Seiji Ogo (first)
- Ryota Kabe (additional)
- Keiji Uehara (additional)
- Bunsho Kure (additional)
- Takashi Nishimura (additional)
- Saija C. Menon (additional)
- Ryosuke Harada (additional)
- Shunichi Fukuzumi (additional)
- Yoshiki Higuchi (additional)
- Takashi Ohhara (additional)
- Taro Tamada (additional)
- Ryota Kuroki (additional)
References
33
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- This work was supported by grants in aid 17350027 19205009 18033041 and 18065017 (Chemistry of Concerto Catalysis) from the Ministry of Education Culture Sports Science and Technology Japan; and a Core Research for Evolutional Science and Technology program (Nano-Structured Catalysts and Materials) by JST. Crystallographic data for [ 1 ](OTf) 2 and [ 2 ](NO 3 ) have been deposited with the Cambridge Crystallographic Data Center under reference numbers CCDC-617674 (x-ray) 617675 (x-ray) and 637331 (neutron diffraction analysis).
Dates
Type | When |
---|---|
Created | 18 years, 3 months ago (April 26, 2007, 4:38 p.m.) |
Deposited | 1 year, 7 months ago (Jan. 10, 2024, 3:39 a.m.) |
Indexed | 1 month ago (July 19, 2025, 11:48 p.m.) |
Issued | 18 years, 3 months ago (April 27, 2007) |
Published | 18 years, 3 months ago (April 27, 2007) |
Published Print | 18 years, 3 months ago (April 27, 2007) |
@article{Ogo_2007, title={A Dinuclear Ni(µ-H)Ru Complex Derived from H 2}, volume={316}, ISSN={1095-9203}, url={http://dx.doi.org/10.1126/science.1138751}, DOI={10.1126/science.1138751}, number={5824}, journal={Science}, publisher={American Association for the Advancement of Science (AAAS)}, author={Ogo, Seiji and Kabe, Ryota and Uehara, Keiji and Kure, Bunsho and Nishimura, Takashi and Menon, Saija C. and Harada, Ryosuke and Fukuzumi, Shunichi and Higuchi, Yoshiki and Ohhara, Takashi and Tamada, Taro and Kuroki, Ryota}, year={2007}, month=apr, pages={585–587} }