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Aušra Jablonskytė, Joseph A. Wright and Christopher J. Pickett [FeFe]-Hydrogenase Models: Unexpected Variation in Protonation Rate between Dithiolate Bridge Analogues European Journal of Inorganic Chemistry 2011

Version of Record online: 15 NOV 2010 | DOI: 10.1002/ejic.201001072

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The identity of the central atom in the dithiolate bridge of the [FeFe]-hydrogenase {2Fe2S} subsite is a key question in the activity of the enzyme. Protonation kinetics studies on the simple model Fe2(μ-odt)(CO)4(PMe3)2 (odt = 2-oxapropane-1,3-dithiolate) show that the identiy of this atom has significant implications for the rate of protonation in model complexes.

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