Paramagnetic Bridging Hydrides of Relevance to Catalytic Hydrogen Evolution at Metallosulfur Centers
作者:Aušra Jablonskytė、Joseph A. Wright、Shirley A. Fairhurst、Jamie N. T. Peck、Saad K. Ibrahim、Vasily S. Oganesyan、Christopher J. Pickett
DOI:10.1021/ja2087536
日期:2011.11.23
Paramagnetic hydrides are likely intermediates in hydrogen-evolving enzymic and molecular systems. Herein we report the first spectroscopic characterization of well-defined paramagnetic bridginghydrides. Time-resolved FTIR spectroelectrochemical experiments on a subsecond time scale revealed that single-electron transfer to the μ-hydride di-iron dithiolate complex 1 generates a 37-electron valence-delocalized