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

Author

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

Subjects
*VIBRATIONAL spectra, *HYDROGENASE, *NICKEL, *IRON, *METAL-metal bonds, *ANAEROBIC bacteria, *ELECTROCATALYSTS
Abstract

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

Published
2014
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