Crystallographic characterisation of a possible model for photosystem II
- 1 January 1994
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Chemical Communications
- No. 9,p. 1153-1155
- https://doi.org/10.1039/c39940001153
Abstract
An X-ray crystal study of [Mn(3,5,Cl-salen)(H2O)2]2(ClO4)2[3,5,Cl-salen =N,N′-3,5-dichloro(salicylidene)-1,2-diaminoethane] reveals it to be a hydrogen-bonded di-aquabridged dimer; a combination of the steric bulk of the ligand and a hydrogen bonding system creates a coordination cleft which can allow the approach of p-benzoquinone and water photolysis to occur on irradiation with visible light (no such photolysis occurs when sterically bulky 2,5-tert-butyl-p-benzoquinone is employed).Keywords
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