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Synthesis and Vibrational Spectroscopy of (57)Fe-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

Chem Commun (Camb). 2014 Nov 14;50(88):13469-72.

PMID: 25237680

Abstract:

A new route to iron carbonyls has enabled synthesis of (57)Fe-labeled [NiFe] hydrogenase mimic (OC)3(57)Fe(pdt)Ni(dppe). Its study by nuclear resonance vibrational spectroscopy revealed Ni-(57)Fe vibrations, as confirmed by calculations. The modes are absent for [(OC)3(57)Fe(pdt)Ni(dppe)](+), which lacks Ni-(57)Fe bonding, underscoring the utility of the analyses in identifying metal-metal interactions.

Chemicals Related in the Paper:

Catalog Number Product Name Structure CAS Number Price
IAR4244323 NI-57 NI-57 Price
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