Abstract
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) 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.
Highlights
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
Summary
Abdou Salam Salla and Ahmed Drissc a Département de Chimie, Faculté des Sciences et Techniques, Université Cheikh. Anta Diop, Dakar, Senegal, bDépartement de Chimie, Faculté des Sciences, Université de Nouakchott, Nouakchott, Mauritania, and cCampus Universitaire, Département de Chimie, Faculté des Sciences, Université de Tunis, 1060 Tunis, Tunisia
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