In the title complex, [Ca(H2IDC)2(H2O)4]·H2O, (H2IDC− is 4-carboxy-1H-imidazole-5-carboxylate, C5H3N2O4−), the CaII atom is located on a twofold rotation axis and is trans-coordinated by two N,O bidentate H2IDC− ligands and four water molecules, resulting in a distorted bicapped triangular prismatic configuration. The water molecule is also located on a twofold rotation axis. A three-dimensional network of N—H…O and O—H…O hydrogen bonds help to stabilize the crystal packing.
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Document Type: Research Article
Publication date: December 1, 2004