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Experimental and Computational Study of Unique Tetranuclear µ3-Chloride and µ-Phenoxo/Chloro-Bridged Defective Dicubane Cobalt(II) Clusters

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Hänninen, M. M., Välivaara, J., Cano, J., Sillanpää, R., & Colacio, E. (2016). Experimental and Computational Study of Unique Tetranuclear µ3-Chloride and µ-Phenoxo/Chloro-Bridged Defective Dicubane Cobalt(II) Clusters. European Journal of Inorganic Chemistry, 2016 (8), 1192-1199. doi:10.1002/ejic.201501190
Published in
European Journal of Inorganic Chemistry
Authors
Hänninen, Mikko M. |
Välivaara, Juha |
Cano, Joan |
Sillanpää, Reijo |
Colacio, Enrique
Date
2016
Discipline
Epäorgaaninen ja analyyttinen kemia
Copyright
© 2016 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim. This is a final draft version of a paper whose final version is published by Wiley. Published in this repository with the kind permission of the publisher.

 
Two tetranuclear CoII clusters [Co4(L)2(µ3-Cl)2Cl2] have been prepared by using multidentate diaminobisphenolate ligands. The solid-state structures of the complexes were determined by single-crystal X-ray diffraction. The cores of the cluster compounds can be defined as a two-vertex-deficient dicubane geometry (pseudo-dicubane). In the central unit, the cobalt(II) cations are linked through phenoxide oxygen (outer bridges) and chloride anions (inner bridges), previously unprecedented in this type of cobalt cluster. The magnetic properties were studied by both experimental and computational methods. By using a combination of techniques, we were able to determine the nature and strength of the intramolecular magnetic exchange coupling mediated by the different bridging fragments between the crystallographically different cobalt(II) cations.
Publisher
Wiley - VCH Verlag GmbH & Co. KGaA
ISSN Search the Publication Forum
1434-1948
Keywords
cluster compounds cobalt magnetic properties density functional calculations
DOI
10.1002/ejic.201501190
URI

http://urn.fi/URN:NBN:fi:jyu-201703281778

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