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3,5-Diamino-4H-1,2,4-triazol-1-ium (6-carboxypyridine-2-carboxylato)(pyridine-2,6-dicarboxylato)cuprate(II) trihydrate

DOI: 10.1107/s1600536811011147

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In the complex anion of the title compound, (C2H6N5)[Cu(C7H4NO4)(C7H3NO4)]·3H2O, the CuII atom is coordinated by tridentate 6-carboxypyridine-2-carboxylate and pyridine-2,6-dicarboxylate ligands and is surrounded by four O atoms in the equatorial plane and two N atoms in axial positions in a distorted octahedral geometry. In the crystal, the components are linked into a three dimensional network by O—H...O, N—H...O, N—H...N and C—H...O hydrogen bonds and a π–π interaction with a centroid–centroid distance of 3.6080 (8) .


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