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. 2010 Nov 30;66(Pt 12):m1694-5.
doi: 10.1107/S1600536810048518.

Poly[[triaqua-(μ(3)-4-oxidopyridine-2,6-dicarboxyl-ato)europium(III)] monohydrate]

Dong-Yu Lv, Zhu-Qing Gao, Jin-Zhong Gu

Poly[[triaqua-(μ(3)-4-oxidopyridine-2,6-dicarboxyl-ato)europium(III)] monohydrate]

Dong-Yu Lv et al. Acta Crystallogr Sect E Struct Rep Online. .

Abstract

In the title coordination polymer, {[Eu(C(7)H(2)NO(5))(H(2)O)(3)]·H(2)O}(n), the Eu(III) atom is eight-coordinated by a tridentate 4-oxidopyridine-2,6-dicarboxyl-ate (hpc) trianion, two monodentate hpc anions and three water mol-ecules, forming a distorted bicapped trigonal-prismatic coordination geometry. The hpc ligands bridge adjacent Eu(III) ions, forming infinite double chains. Adjacent chains are further connected by hpc ligands into sheets. O-H⋯O hydrogen bonds then generate a three-dimensional supra-molecular framework.

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Figures

Fig. 1.
Fig. 1.
A drawing of the asymmetric unit in the structure of (I), showing displacement ellipsoids drawn at the 30% probability level.
Fig. 2.
Fig. 2.
A view along the b axis, showing a one-dimensional double chain of [Eu(CAM)(H2O)3].
Fig. 3.
Fig. 3.
A view along the a axis, showing a two-dimensional sheet of [Eu(CAM)(H2O)3].
See this image and copyright information in PMC

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