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

作者：Er Peng Zhang; Li Ping Wang; Yu Fei Wang

来源：Acta Crystallographica Section E-Structure Reports Online, 2013, 69(3): m150-m151.

DOI：10.1107/s1600536813003413

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 羽每羽 interaction. The latter involves inversion-related pyridine rings with a centroid每centroid distance of 3.594 (2) [normal distance = 3.3338 (13) and slippage = 1.341 ]. These interactions lead to the formation of a three-dimensional structure.