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ABSTRACT:
SUBMITTER: Fiedler AT
PROVIDER: S-EPMC2736334 | biostudies-literature | 2008 Dec
REPOSITORIES: biostudies-literature
Fiedler Adam T AT Shan Xiaopeng X Mehn Mark P MP Kaizer József J Torelli Stéphane S Frisch Jonathan R JR Kodera Masahito M Que Lawrence L
The journal of physical chemistry. A 20081201 50
With the goal of gaining insight into the structures of peroxo intermediates observed for oxygen-activating nonheme diiron enzymes, a series of metastable synthetic diiron(III)-peroxo complexes with [Fe(III)(2)(mu-O)(mu-1,2-O(2))] cores has been characterized by X-ray absorption and resonance Raman spectroscopies, EXAFS analysis shows that this basic core structure gives rise to an Fe-Fe distance of approximately 3.15 A; the distance is decreased by 0.1 A upon introduction of an additional carbo ...[more]