Abstract
The title complex, [Cu2(C7H4NO4)4(H2O)2]·2C2H6O, forms a dimer of the paddle-wheel type located on a crystallographic inversion center. The two Cu2+ cations [Cu⋯Cu = 2.6543 (10) Å] are connected by four 2-nitrobenzoate ligands. The apical positions of the square-pyramidal copper coordination polyhedra are occupied by the water O atoms. The two ethanol solvent molecules are linked to complex molecules via O—H⋯O hydrogen bonds, which create one-dimensional chains of R23(13) and R44(12) rings. A π–π stacking interaction is observed between symmetry-related benzene rings of the 2-nitrobenzoate anions.
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