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In the title coordination polymer, [Zr(C 8 H 2 O 6 )(C 5 H 10 N 2 O) 2 ]  n  , the Zr IV  atom (site symmetry 2) is coordinated by two  O , O ′-bidentate 2,5-dioxidoterephthalate (DHTP 4− ) ligands and two  O -bonded 1,3-dimethyl-2-imidazolidinone (DMI) ligands (the latter in a  cis  orientation) in a distorted ZrO 6  octa­hedral geometry. The deprotonated hy­droxy and carb­oxy O atoms of the DHTP 4−  ligand chelate the Zr IV  ion  via  a six-membered ring; the dihedral angle between the carboxyl­ate group and the aromatic ring is 14.46 (11)°. The DHTP 4−  ligand is completed by crystallographic inversion symmetry and coordinates to two Zr IV  atoms, thereby forming polymeric zigzag chains propagating in [001].

Poly[bis(1,3-dimethylimidazolidin-2-one)(μ2-2,5-dioxidoterephthalato)zirconium(IV)]

Poly[bis(1,3-dimethylimidazolidin-2-one)(μ₂-2,5-dioxidoterephthalato)zirconium(IV)]