Abstract
Two diironhexacarbonyl clusters containing (trifluoromethyl)thiophenolates, as models for the active site of [Fe–Fe] hydrogenase enzyme, have been prepared and characterized. The crystal and electronic structures of the complexes have been probed by X-ray crystallography and spectroscopic methods. Cyclic voltammetric studies in the presence of acetic acid show that both compounds catalyze the electrochemical reduction of acetic acid to produce hydrogen with favorable overpotentials.
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Acknowledgments
The authors gratefully acknowledge support for this work from Arkansas Tech University. P. J. D. gratefully acknowledges the National Science Foundation (Grant CCLI 0125711) for funding the NMR used for this work.
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Mebi, C.A., Trujillo, J.J., Rosenthal, B.L. et al. Iron(I)-carbonyl clusters tethered to (trifluoromethyl)thiophenolates. Transition Met Chem 37, 645–650 (2012). https://doi.org/10.1007/s11243-012-9633-0
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DOI: https://doi.org/10.1007/s11243-012-9633-0