Towards models of the oxygen-evolving complex (OEC) of photosystem II: a Mn4Ca cluster of relevance to low oxidation states of the OEC |
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Authors: | Koumousi Evangelia S Mukherjee Shreya Beavers Christine M Teat Simon J Christou George Stamatatos Theocharis C |
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Affiliation: | Department of Chemistry, University of Patras, 26500 Patras, Greece. |
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Abstract: | Synthetic access has been achieved into high oxidation state Mn/Ca chemistry with the 4?:?1 Mn?:?Ca stoichiometry of the oxygen-evolving complex (OEC) of plants and cyanobacteria; the anion of (Et(3)NH)(2)[Mn(III)(4)Ca(O(2)CPh)(4)(shi)(4)] has a square pyramidal metal topology and an S = 0 ground state. |
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