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Acta Cryst. (2011). E67, m527-m528  [ doi:10.1107/S1600536811009755 ]

Poly[[diaqua([mu]2-1,4-dioxane-[kappa]2O:O')([mu]2-2,3,5,6-tetrafluorobenzene-1,4-dicarboxylato-[kappa]2O1:O4)copper(II)] 1,4-dioxane disolvate dihydrate]

J. Yu, Y.-F. Zhang, F.-A. Sun and Q. Chen

Abstract: In the title complex, {[Cu(C8F4O4)(C4H8O2)(H2O)2]·2C4H8O2·2H2O}n, the CuII ion is six-coordinated by two oxygen donors from two trans 2,3,5,6-tetrafluoro-1,4-dicarboxylate (BDC-F4) ligands, two O atoms from two chair 1,4-dioxane ligands and two O atoms from two terminal water molecules, adopting a distorted octahedral coordinated geometry. Each BDC-F4 anion bridges two CuII ions in a bis-monodentate fashion, forming a [Cu(BDC-F4)]n chain. These chains are further linked by bridging 1,4-dioxane ligands, generating a two-dimensional net with approximately rectangular grids of 11.253 × 7.654 Å. Such adjacent parallel layers are connected by O-H...O hydrogen bonds between guest water molecules and the uncoordinated carboxylate O atoms and coordinated water molecules into the final three-dimensional supramolecular network.

Online 7 April 2011

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