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Crystal and molecular structures of mixedvalence octanuclear cobalt(II,III) propionate and butyrate with an etagerelike core
Umeå University, Faculty of Science and Technology, Department of Chemistry. (Technical Chemistry)
2012 (English)In: Russian chemical bulletin, ISSN 1066-5285, E-ISSN 1573-9171, Vol. 61, no 4, 821-827 p.Article in journal (Refereed) Published
Abstract [en]

The new mixed-valence octanuclear cobalt carboxylate complexes [CoII4CoIII4(μ4-O)4-(μ3-OMe)4(μ-O2CR)6(O2CR)2(H2O)6]·4H2O, where R = Et (3) or n-Pr (4), were investigated by X-ray diffraction analysis. Complexes 3 and 4 have a molecular octanuclear structure, and they are valence trapped, and contain four cobalt atoms Co3+ in the central cubane fragment with four cobalt atoms Co2+ at the periphery of the molecules. The molecules of the complexes are stabilized by four intramolecular hydrogen bonds and are linked, together with water solvent molecules, by intermolecular hydrogen bonds to form a three-dimensional supramolecular system.

Place, publisher, year, edition, pages
Springer Science+Business Media B.V., 2012. Vol. 61, no 4, 821-827 p.
Keyword [en]
cobalt, carboxylate complexes, mixedvalence complexes, Xray diffraction analysis, supramolecular ensembles
National Category
Inorganic Chemistry
Identifiers
URN: urn:nbn:se:umu:diva-66464DOI: 10.1007/s11172-012-0114-6ISI: 000314272400010OAI: oai:DiVA.org:umu-66464DiVA: diva2:606879
Available from: 2013-02-21 Created: 2013-02-21 Last updated: 2017-12-06Bibliographically approved

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Shchukarev, Andrey

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