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Crystal structure of di-μ-hydroxido-κ4O:O-bis[bis(acetylacetonato-κ2O,O′)cobalt(III)] (2015)

Richers, C.P.Bertke, J.A.Rauchfuss, T.B.

International Union of Crystallography (IUC)

In: Acta Crystallographica Section E

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Publication Date: 2015-08-07

Description: The dinuclear title complex, [Co2(C5H7O2)4(μ-OH)2] or [Co(acac)2(μ-OH)]2, where acac is acetylacetonate, is centrosymmetric with half of the molecule per asymmetric unit. The molecular structure is a dimer of octahedrally coordinated CoIII atoms with four O atoms from two chelating acac ligands and two O atoms from bridging hydroxide ligands. The crystal packing features weak C—H...O interactions between neighboring molecules, leading to the formation of chains normal to the ac plane. The hydroxide H atoms are not involved in hydrogen bonding because of the bulky acac ligands. This is the first crystal structure reported of a dimeric transition metal bis-acac complex with OH− as the bridging group.

Keywords: crystal structurecobalt(III)acac ligandbridging hydroxide ligand

Electronic ISSN: 1600-5368

Topics: Chemistry and Pharmacology , Geosciences

Published by International Union of Crystallography (IUC)

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