Electronic Structural Changes of Mn in the Oxygen-Evolving Complex of Photosystem II during the Catalytic Cycle. Glatzel, P., Schroeder, H., Pushkar, Y., Boron, T. I., Mukherjee, S., Christou, G., Pecoraro, V. L., Messinger, J., Yachandra, V. K., Bergmann, U., & Yano, J. Inorganic Chemistry, 52(10):5642–5644, May, 2013. Publisher: American Chemical Society![Electronic Structural Changes of Mn in the Oxygen-Evolving Complex of Photosystem II during the Catalytic Cycle [link]](https://bibbase.org/img/filetypes/link.svg "link")
Paper doi abstract bibtex The oxygen-evolving complex (OEC) in photosystem II (PS II) was studied in the S0 through S3 states using 1s2p resonant inelastic X-ray scattering spectroscopy. The spectral changes of the OEC during the S-state transitions are subtle, indicating that the electrons are strongly delocalized throughout the cluster. The result suggests that, in addition to the Mn ions, ligands are also playing an important role in the redox reactions. A series of MnIV coordination complexes were compared, particularly with the PS II S3 state spectrum to understand its oxidation state. We find strong variations of the electronic structure within the series of MnIV model systems. The spectrum of the S3 state best resembles those of the MnIV complexes Mn3IVCa2 and saplnMn2IV(OH)2. The current result emphasizes that the assignment of formal oxidation states alone is not sufficient for understanding the detailed electronic structural changes that govern the catalytic reaction in the OEC.
@article{glatzel_electronic_2013,
title = {Electronic {Structural} {Changes} of {Mn} in the {Oxygen}-{Evolving} {Complex} of {Photosystem} {II} during the {Catalytic} {Cycle}},
volume = {52},
issn = {0020-1669},
url = {https://doi.org/10.1021/ic4005938},
doi = {10.1021/ic4005938},
abstract = {The oxygen-evolving complex (OEC) in photosystem II (PS II) was studied in the S0 through S3 states using 1s2p resonant inelastic X-ray scattering spectroscopy. The spectral changes of the OEC during the S-state transitions are subtle, indicating that the electrons are strongly delocalized throughout the cluster. The result suggests that, in addition to the Mn ions, ligands are also playing an important role in the redox reactions. A series of MnIV coordination complexes were compared, particularly with the PS II S3 state spectrum to understand its oxidation state. We find strong variations of the electronic structure within the series of MnIV model systems. The spectrum of the S3 state best resembles those of the MnIV complexes Mn3IVCa2 and saplnMn2IV(OH)2. The current result emphasizes that the assignment of formal oxidation states alone is not sufficient for understanding the detailed electronic structural changes that govern the catalytic reaction in the OEC.},
number = {10},
urldate = {2024-12-10},
journal = {Inorganic Chemistry},
author = {Glatzel, Pieter and Schroeder, Henning and Pushkar, Yulia and Boron, Thaddeus III and Mukherjee, Shreya and Christou, George and Pecoraro, Vincent L. and Messinger, Johannes and Yachandra, Vittal K. and Bergmann, Uwe and Yano, Junko},
month = may,
year = {2013},
note = {Publisher: American Chemical Society},
pages = {5642--5644},
}
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The spectral changes of the OEC during the S-state transitions are subtle, indicating that the electrons are strongly delocalized throughout the cluster. The result suggests that, in addition to the Mn ions, ligands are also playing an important role in the redox reactions. A series of MnIV coordination complexes were compared, particularly with the PS II S3 state spectrum to understand its oxidation state. We find strong variations of the electronic structure within the series of MnIV model systems. The spectrum of the S3 state best resembles those of the MnIV complexes Mn3IVCa2 and saplnMn2IV(OH)2. The current result emphasizes that the assignment of formal oxidation states alone is not sufficient for understanding the detailed electronic structural changes that govern the catalytic reaction in the OEC.","number":"10","urldate":"2024-12-10","journal":"Inorganic Chemistry","author":[{"propositions":[],"lastnames":["Glatzel"],"firstnames":["Pieter"],"suffixes":[]},{"propositions":[],"lastnames":["Schroeder"],"firstnames":["Henning"],"suffixes":[]},{"propositions":[],"lastnames":["Pushkar"],"firstnames":["Yulia"],"suffixes":[]},{"propositions":[],"lastnames":["Boron"],"firstnames":["Thaddeus","III"],"suffixes":[]},{"propositions":[],"lastnames":["Mukherjee"],"firstnames":["Shreya"],"suffixes":[]},{"propositions":[],"lastnames":["Christou"],"firstnames":["George"],"suffixes":[]},{"propositions":[],"lastnames":["Pecoraro"],"firstnames":["Vincent","L."],"suffixes":[]},{"propositions":[],"lastnames":["Messinger"],"firstnames":["Johannes"],"suffixes":[]},{"propositions":[],"lastnames":["Yachandra"],"firstnames":["Vittal","K."],"suffixes":[]},{"propositions":[],"lastnames":["Bergmann"],"firstnames":["Uwe"],"suffixes":[]},{"propositions":[],"lastnames":["Yano"],"firstnames":["Junko"],"suffixes":[]}],"month":"May","year":"2013","note":"Publisher: American Chemical Society","pages":"5642–5644","bibtex":"@article{glatzel_electronic_2013,\n\ttitle = {Electronic {Structural} {Changes} of {Mn} in the {Oxygen}-{Evolving} {Complex} of {Photosystem} {II} during the {Catalytic} {Cycle}},\n\tvolume = {52},\n\tissn = {0020-1669},\n\turl = {https://doi.org/10.1021/ic4005938},\n\tdoi = {10.1021/ic4005938},\n\tabstract = {The oxygen-evolving complex (OEC) in photosystem II (PS II) was studied in the S0 through S3 states using 1s2p resonant inelastic X-ray scattering spectroscopy. The spectral changes of the OEC during the S-state transitions are subtle, indicating that the electrons are strongly delocalized throughout the cluster. The result suggests that, in addition to the Mn ions, ligands are also playing an important role in the redox reactions. A series of MnIV coordination complexes were compared, particularly with the PS II S3 state spectrum to understand its oxidation state. We find strong variations of the electronic structure within the series of MnIV model systems. The spectrum of the S3 state best resembles those of the MnIV complexes Mn3IVCa2 and saplnMn2IV(OH)2. 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