Synthesis and vibrational spectroscopy of 57Fe-labeled models of [NiFe] hydrogenase: first direct observation of a nickel–iron interaction

David Schilter; Vladimir Pelmenschikov; Hongxin Wang; Florian Meier; Leland B. Gee; Yoshitaka Yoda; Martin Kaupp; Thomas B. Rauchfuss; Stephen P. Cramer

doi:10.1039/c4cc04572f

Synthesis and vibrational spectroscopy of ⁵⁷Fe-labeled models of [NiFe] hydrogenase: first direct observation of a nickel–iron interaction

David Schilter, Vladimir Pelmenschikov, Hongxin Wang, Florian Meier, Leland B. Gee, Yoshitaka Yoda, Martin Kaupp, Thomas B. Rauchfuss, Stephen P. Cramer

Chemistry

Research output: Contribution to journal › Article › peer-review

Abstract

A new route to iron carbonyls has enabled synthesis of ⁵⁷Fe-labeled [NiFe] hydrogenase mimic (OC)₃⁵⁷Fe(pdt)Ni(dppe). Its study by nuclear resonance vibrational spectroscopy revealed Ni-⁵⁷Fe vibrations, as confirmed by calculations. The modes are absent for [(OC)₃⁵⁷Fe(pdt)Ni(dppe)]⁺, which lacks Ni-⁵⁷Fe bonding, underscoring the utility of the analyses in identifying metal-metal interactions.

Original language	English (US)
Pages (from-to)	13469-13472
Number of pages	4
Journal	Chemical Communications
Volume	50
Issue number	88
DOIs	https://doi.org/10.1039/c4cc04572f
State	Published - Oct 9 2014

ASJC Scopus subject areas

Catalysis
Electronic, Optical and Magnetic Materials
Ceramics and Composites
Chemistry(all)
Surfaces, Coatings and Films
Metals and Alloys
Materials Chemistry

Online availability

10.1039/c4cc04572f

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Cite this

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abstract = "A new route to iron carbonyls has enabled synthesis of 57Fe-labeled [NiFe] hydrogenase mimic (OC)357Fe(pdt)Ni(dppe). Its study by nuclear resonance vibrational spectroscopy revealed Ni-57Fe vibrations, as confirmed by calculations. The modes are absent for [(OC)357Fe(pdt)Ni(dppe)]+, which lacks Ni-57Fe bonding, underscoring the utility of the analyses in identifying metal-metal interactions.",

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AU - Schilter, David

AU - Pelmenschikov, Vladimir

AU - Wang, Hongxin

AU - Meier, Florian

AU - Gee, Leland B.

AU - Yoda, Yoshitaka

AU - Kaupp, Martin

AU - Rauchfuss, Thomas B.

AU - Cramer, Stephen P.

PY - 2014/10/9

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AB - A new route to iron carbonyls has enabled synthesis of 57Fe-labeled [NiFe] hydrogenase mimic (OC)357Fe(pdt)Ni(dppe). Its study by nuclear resonance vibrational spectroscopy revealed Ni-57Fe vibrations, as confirmed by calculations. The modes are absent for [(OC)357Fe(pdt)Ni(dppe)]+, which lacks Ni-57Fe bonding, underscoring the utility of the analyses in identifying metal-metal interactions.

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