Acta Crystallographica Section E

Structure Reports Online

Volume 69, Part 3 (March 2013)

metal-organic compounds

Acta Cryst. (2013). E69, m150-m151    [ doi:10.1107/S1600536813003413 ]

catena-Poly[[[aqua­copper(II)]-bis­[[mu]-N,N'-bis­(pyridin-4-yl)isophthalamide]-[aqua­copper(II)]-di-[mu]-sulfato] dimethyl­formamide disolvate]

E.-P. Zhang, L.-P. Wang and Y.-F. Wang

Abstract: In the title coordination polymer, {[Cu(SO4)(C18H14N4O2)(H2O)]·C3H7NO}n, the CuII ion is coordinated by two N atoms of two briding N,N'-bis­(pyridin-4-yl)isophthalamide ligands, two O atoms of two bridging SO42- anions and a water mol­ecule, giving a distorted CuN2O3 square-pyramidal geometry. The whole repeating mol­ecular unit is generated by inversion symmetry. This leads to the formation of a looped-chain one-dimensional coordination polymer propagating along [110]. The dimethyl­formamide (DMF) mol­ecules are linked to the chains via O-H...O hydrogen bonds. The chains are linked via N-H...O hydrogen bonds, forming two-dimensional networks parallel to (001). There are also a number of C-H...O inter­actions present and a parallel slipped [pi]-[pi] inter­action. The latter involves inversion-related pyridine rings with a centroid-centroid distance of 3.594 (2) Å [normal distance = 3.3338 (13) and slippage = 1.341 Å]. These inter­actions lead to the formation of a three-dimensional structure.

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