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Effect of the Mn Oxidation State on Single-Molecule-Magnet Properties: Mn^(III) vs Mn^(IV) in Biologically Inspired DyMn_3O_4 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: Mn^(III) vs Mn^(IV) in Biologically Inspired DyMn_3O_4 Cubanes. Inorganic Chemistry, 55 (12). pp. 6095-6099. ISSN 0020-1669. PMCID PMC5510600. http://resolver.caltech.edu/CaltechAUTHORS:20160613-131348637

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Abstract

Inspired by the ferromagnetic coupling in the cubane model CaMn^(IV)_3O_4 of the oxygen-evolving complex of photosystem II, 3d–4f mixed-metal DyMn_3O_4 clusters were prepared for investigation of the magnetic properties. For comparison, YMn^(IV)_3O_4 and YMn^(IV)_2Mn^(III)O_4 clusters were investigated as well and showed ferromagnetic interactions, like the calcium analogue. DyMn^(IV)_3O_4 displays single-molecule-magnet properties, while the one-electron-reduced species (DyMn^(IV)_2Mn^(III)O_4) does not, despite the presence of a Mn^(III) 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/abs/10.1021/acs.inorgchem.6b00630PublisherArticle
http://pubs.acs.org/doi/suppl/10.1021/acs.inorgchem.6b00630PublisherSupporting Information
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5510600PubMed CentralArticle
ORCID:
AuthorORCID
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
PubMed Central ID:PMC5510600
Record Number:CaltechAUTHORS:20160613-131348637
Persistent URL:http://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:17 Jul 2017 21:33

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