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Poly[bis-(1,3-dimethyl-1,3-diazinan-2-one)(2,5-dioxidoterephthalato)zirconium(IV)].


ABSTRACT: In the title coordination polymer, [Zr(C8H2O6)(C6H12N2O)2] n , the Zr(IV) atom, which lies on a crystallographic twofold rotation axis, is coordinated by two O,O'-bidentate 2,5-dioxidoterephthalate (DHTP(4-)) ligands and two O-bonded 1,3-dimethyl-1,3-diazinan-2-one (DMPU) ligands (the latter in a cis orientation) in a distorted ZrO6 octa-hedral geometry. The deprotonated hy-droxy and carb-oxy O atoms of the DHTP(4-) ligand chelate the Zr(IV) ion via a six-membered ring; the dihedral angle between the carboxyl-ate group and the aromatic ring is 19.94?(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 the c-axis direction.

SUBMITTER: Maercz M 

PROVIDER: S-EPMC3588472 | biostudies-literature | 2013 Mar

REPOSITORIES: biostudies-literature

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Poly[bis-(1,3-dimethyl-1,3-diazinan-2-one)(2,5-dioxidoterephthalato)zirconium(IV)].

Maercz Matthias M   Wragg David Stephen DS   Dietzel Pascal Daniel Croumbie PD   Fjellvåg Helmer H  

Acta crystallographica. Section E, Structure reports online 20130216 Pt 3


In the title coordination polymer, [Zr(C8H2O6)(C6H12N2O)2] n , the Zr(IV) atom, which lies on a crystallographic twofold rotation axis, is coordinated by two O,O'-bidentate 2,5-dioxidoterephthalate (DHTP(4-)) ligands and two O-bonded 1,3-dimethyl-1,3-diazinan-2-one (DMPU) ligands (the latter in a cis orientation) in a distorted ZrO6 octa-hedral geometry. The deprotonated hy-droxy and carb-oxy O atoms of the DHTP(4-) ligand chelate the Zr(IV) ion via a six-membered ring; the dihedral angle betwee  ...[more]

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