Research Article: catena-Poly[[[aqua­bis­(1H-imidazole-κN3)copper(II)]-μ-furan-2,5-di­car­boxylato-κ2O2:O5] trihydrate]

Date Published: May 01, 2012

Publisher: International Union of Crystallography

Author(s): Ya-Feng Li, Yue Xu, Xiao-Lin Qin, Wen-Yuan Gao, Yue Gao.


In the title cooridnation polymer, {[Cu(C6H2O5)(C3H4N2)2(H2O)]·3H2O}n, an infinite chain is formed along [001] by linking of the Cu(C3N2H4)2(H2O) entities with two bridging monodentate carboxyl­ate groups of two different furan-2,5-dicarboxyl­ate dianions. The geometry of the Cu2+ ion is a square-based pyramid with the water atom in the apical position and the ligand O and N atoms in a trans orientation. The dihedral angle between the imidazole planes is 83.96 (14)°. Ow–H⋯O and Ni–H⋯O (w = water and i = imidazole) hydrogen bonds help to establish the packing.

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For related structures and background to coordination polymers and their potential uses, see: Li et al. (2012a ▶,b ▶).