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Acta Cryst. (2012). E68, m1413
[ doi:10.1107/S1600536812043838 ]

Poly[[diaquabis{[mu]-4-[6-(4-carboxyphenyl)-4,4'-bipyridin-2-yl]benzoato-[kappa]2O:N4'}zinc] dimethylformamide tetrasolvate]

X. Ge and S. Song

Abstract: In the title compound, {[Zn(C24H15N2O4)2(H2O)2]·4C3H7NO}n, the ZnII ion is located on an inversion center and is six-coordinated by two N atoms from two ligands, two carboxylate O atoms from two other symmetry-related ligands and two O atoms from two water molecules, furnishing a slightly distorted octahedral geometry. The ZnII atoms are connected by the bridging ligands into a layer parallel to (101). O-H...O hydrogen bonds link the layers and the dimethylformamide solvent molecules. [pi]-[pi] interactions between the pyridine and benzene rings [centroid-centroid distances = 3.7428 (17) and 3.7619 (17) Å] and intralayer O-H...O hydrogen bonds are also present.

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