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Effect of the Mn Oxidation State on Single-Molecule-Magnet Properties: Mnᴵᴵᴵ vs Mnᴵⱽ in Biologically Inspired DyMn₃O₄ Cubanes

Lin, Po-Heng and Tsui, Emily Y. and Habib, Fatemah and Murugesu, Muralee and Agapie, Theodor (2016) Effect of the Mn Oxidation State on Single-Molecule-Magnet Properties: Mnᴵᴵᴵ vs Mnᴵⱽ in Biologically Inspired DyMn₃O₄ Cubanes. Inorganic Chemistry, 55 (12). pp. 6095-6099. ISSN 0020-1669. PMCID PMC5510600. doi:10.1021/acs.inorgchem.6b00630. https://resolver.caltech.edu/CaltechAUTHORS:20160613-131348637

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Abstract

Inspired by the ferromagnetic coupling in the cubane model CaMnᴵⱽ₃O₄ of the oxygen-evolving complex of photosystem II, 3d–4f mixed-metal DyMn₃O₄ clusters were prepared for investigation of the magnetic properties. For comparison, YMnᴵⱽ₃O₄ and YMnᴵⱽ₂MnᴵᴵᴵO₄ clusters were investigated as well and showed ferromagnetic interactions, like the calcium analogue. DyMnᴵⱽ₃O₄ displays single-molecule-magnet properties, while the one-electron-reduced species (DyMnᴵⱽ₂MnᴵᴵᴵO₄) does not, despite the presence of a Mnᴵᴵᴵ center with higher spin and single-ion anisotropy.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1021/acs.inorgchem.6b00630DOIArticle
http://pubs.acs.org/doi/suppl/10.1021/acs.inorgchem.6b00630PublisherSupporting Information
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5510600PubMed CentralArticle
ORCID:
AuthorORCID
Lin, Po-Heng0000-0002-0893-0806
Tsui, Emily Y.0000-0001-6419-3954
Murugesu, Muralee0000-0002-5123-374X
Agapie, Theodor0000-0002-9692-7614
Additional Information:© 2016 American Chemical Society. Received: March 15, 2016. Publication Date (Web): June 9, 2016. We thank Caltech, the NIH (Grant R01 GM102687A), and a Sandia Campus Executive Fellowship (to E.Y.T.) for financial support. T.A. is grateful for Sloan, Cottrell, and Dreyfus scholarships. We also thank R. Holmberg for Magellan analysis. The authors declare no competing financial interest.
Funders:
Funding AgencyGrant Number
CaltechUNSPECIFIED
NIHR01 GM102687A
Sandia National LaboratoriesUNSPECIFIED
Alfred P. Sloan FoundationUNSPECIFIED
Cottrell Scholar of Research CorporationUNSPECIFIED
Camille and Henry Dreyfus FoundationUNSPECIFIED
Issue or Number:12
PubMed Central ID:PMC5510600
DOI:10.1021/acs.inorgchem.6b00630
Record Number:CaltechAUTHORS:20160613-131348637
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20160613-131348637
Official Citation:Effect of the Mn Oxidation State on Single-Molecule-Magnet Properties: MnIII vs MnIV in Biologically Inspired DyMn3O4 Cubanes Po-Heng Lin, Emily Y. Tsui, Fatemah Habib, Muralee Murugesu, and Theodor Agapie Inorganic Chemistry 2016 55 (12), 6095-6099 DOI: 10.1021/acs.inorgchem.6b00630
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:67881
Collection:CaltechAUTHORS
Deposited By: George Porter
Deposited On:13 Jun 2016 21:09
Last Modified:26 Apr 2022 18:56

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