Acta Cryst. (2013). E69, m152 [ doi:10.1107/S1600536813003449 ]
Abstract: In the title coordination polymer, [Zr(C8H2O6)(C5H10N2O)2]n, the ZrIV atom (site symmetry 2) is coordinated by two O,O'-bidentate 2,5-dioxidoterephthalate (DHTP4-) ligands and two O-bonded 1,3-dimethyl-2-imidazolidinone (DMI) ligands (the latter in a cis orientation) in a distorted ZrO6 octahedral geometry. The deprotonated hydroxy and carboxy O atoms of the DHTP4- ligand chelate the ZrIV ion via a six-membered ring; the dihedral angle between the carboxylate group and the aromatic ring is 14.46 (11)°. The DHTP4- ligand is completed by crystallographic inversion symmetry and coordinates to two ZrIV atoms, thereby forming polymeric zigzag chains propagating in .
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