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Acta Cryst. (2012). E68, m1364
[ doi:10.1107/S1600536812042444 ]

Poly[di-[mu]3-hydroxy[[mu]4-5-(4-carboxyphenyl)pyridine-2-carboxylato-[kappa]5N,O2:O2':O4:O4']dicadmium]

F.-J. Meng, H.-Q. Jia, N.-H. Hu and H. Zhou

Abstract: The asymmetric unit of the title polymeric complex, [Cd2(C13H7NO4)(OH)2]n, consists of two independent CdII atoms, one 5-(4-carboxyphenyl)pyridine-2-carboxylate ligand and two hydroxy groups. One CdII atom is six-coordinated by two O atoms from two ligand molecules and by four [mu]3-OH groups in a distorted trigonal-prismatic geometry. The other is five-coordinated by one N and two O atoms from two ligands and by two [mu]3-OH groups, forming a distorted square-pyramidal geometry. The two independent CdII atoms are connected by the ligand molecules and the OH groups into a three-dimensional framework. O-H...O hydrogen bonds between the OH groups and the carboxylate O atoms are observed.


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