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

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

X. Ge and S. Song

Abstract: In the title compound, {[Zn(C₂₄H₁₅N₂O₄)₂(H₂O)₂]·4C₃H₇NO}_n, the Zn^II 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 Zn^II atoms are connected by the bridging ligands into a layer parallel to (101). O-HO hydrogen bonds link the layers and the dimethylformamide solvent molecules. - interactions between the pyridine and benzene rings [centroid-centroid distances = 3.7428 (17) and 3.7619 (17) Å] and intralayer O-HO hydrogen bonds are also present.

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