title: Poly[[diaqua-bis-{μ-4-[6-(4-carb-oxy-phen-yl)-4,4'-bipyridin-2-yl]benzoato-κ(2) O:N (1')}copper(II)] dimethyl-formamide tetra-solvate].
abstract: In the title compound, {[Cu(C24H15N2O4)2(H2O)2]·4C3H7NO} n , the Cu(II) ion, lying on an inversion center, is six-coordinated by two N atoms from two 4-[6-(4-carb-oxy-phen-yl)-4,4'-bipyridin-2-yl]benzoate (L) ligands, two deprotonated carboxyl-ate O atoms from two other symmetry-related L ligands and two water mol-ecules in a slightly distorted octa-hedral geometry. The Cu(II) atoms are linked by the bridging ligands into a layer parallel to (101). The presence of intra-layer O-H⋯O hydrogen bonds and π-π inter-actions between the pyridine and benzene rings [centroid-centroid distances = 3.808 (2) and 3.927 (2) Å] stabilizes the layer. Further O-H⋯O hydrogen bonds link the layers and the dimethyl-formamide solvent mol-ecules.
authors: Department of Ophthalmology, The First Hospital of Jilin University, Changchun, 130021, People's Republic of China.
authors: Yabin
authors: Y
authors: Sun
authors: E
authors: E
authors: Song
authors: Daguang
authors: D
authors: Wang
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