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Acta Cryst. (2012). E68, m1484-m1485
[ doi:10.1107/S1600536812046041 ]

Poly[[[mu]-aqua-diaquabis([mu]-furan-2,5-dicarboxylato-[kappa]2O2:O5)bis(1,10-phenanthroline-[kappa]2N,N')dicopper(II)] N,N-dimethylformamide monosolvate]

Y.-F. Li, X.-L. Qin, Y. Xu, Y.-P. Yuan and W.-Y. Gao

Abstract: The asymmetric unit of the title compound, {[Cu2(C6H2O5)2(C12H8N2)2(H2O)3]·C3H7NO}n, contains two CuII atoms, two furan-2,5-dicarboxylate (L) ligands, two 1,10-phenanthroline (phen) ligands, three coordinating water molecules and one N,N-dimethylformamide solvent molecule. Each CuII atom is coordinated by two N atoms from one phen ligand, two O atoms from two L ligands and two water molecules in a distorted octahedral geometry. The main difference between the environments of the two independent Cu atoms is in the Cu-Owater distances, which are 2.415 (2) and 2.639 (2) Å for one CuII atom and 2.3560 (19) and 2.911 (4) Å for the other. Ligands L and one independent water molecule bridge the CuII atoms, forming corrugated polymeric layers parallel to the ab plane. Intermolecular O-H...O and C-H...O hydrogen bonds consolidate the crystal packing.

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