Observation of Fe - H/D modes by nuclear resonant vibrational spectroscopy
Metal-hydrogen bonding is important in chemistry and catalysis, but H atoms are often difficult to observe, especially in metalloproteins. In this work we show that Fe-H interactions can be probed by nuclear resonance vibrational spectroscopy at the 14.4 keV 57Fe nuclear resonance. An important advantage of this method, compared to Raman and IR spectroscopy, is the selectivity for modes that involve 57Fe motion. We present data on the FeS4 site in rubredoxin and the [FeH(D)6]2- ion. Prospects for studying more complex systems are discussed. Copyright Â© 2003 American Chemical Society.
Journal of the American Chemical Society
Bergman, U.; Sturhahn, W.; Linn, D. E. Jr.; Jenney, Francis E.; Adams, M. W.; Rupnik, K.; Hales, B. J.; Alp, E. E.; Mayse, A.; and Kramer, S. P., "Observation of Fe - H/D modes by nuclear resonant vibrational spectroscopy" (2003). PCOM Scholarly Papers. 566.
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