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In the title complex, [CoK2(C3H2O4)2(H2O)4]n, the Co atom is located on a position with site symmetry 2/m, the K atom and one water mol­ecule are located on a mirror plane, and the malonate and one water mol­ecule are located on a twofold rotation axis. The KI atom is seven-coordinated by four carboxyl­ate O atoms from four malonate ligands and by three water O atoms, forming a distorted polyhedron. The CoII atom is in an almost octa­hedral environment formed by four carboxyl­ate O atoms from two malonate ligands and two water O atoms. The structure consists of layers parallel to (20\overline1) built up from edge-sharing KO7 and CoO6 polyhedra, which are connected by O-H...O hydrogen bonding including water mol­ecules into a three-dimensional network.

Auteur(s) : A. Sy, A. H. Barry, M. Gaye, A. S. Sall and A. Driss
Pages : M601
Année de publication : 2011
Revue : Acta Crystallographica E
N° de volume : E67
Type : Article
Mise en ligne par : GAYE Mohamed Lamine