Abstract
In the title compound, (C2H10N2)[Cu(C7H3NO4)2(H2O)4]·2H2O, the CuII ion occupies a special position on an inversion center and has an elongated octahedral geometry with the pyridine-3,5-dicarboxylate ligands in trans positions. The ethylenediammonium cation is also in a special position on an inversion center located at the mid-point of the C—C bond. Multiple crystallographically independent hydrogen bonds form a three-dimensional network in the crystal structure. π–π Interactions between aromatic rings of the pyridine-3,5-dicarboxylate ligand are observed. The electron-spin resonance (ESR) spectrum is in agreement with an elongated octahedral geometry.
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