Acta Crystallographica Section E

Structure Reports Online

Volume 69, Part 5 (May 2013)


metal-organic compounds



hy2623 scheme

Acta Cryst. (2013). E69, m294-m295    [ doi:10.1107/S1600536813011057 ]

Poly[tetraaqua(5-hydroxypyridin-1-ium-3-carboxylato-[kappa]O3)tris([mu]-oxalato-[kappa]4O1,O2:O1',O2')dieuropium(III)]

S.-S. Xu, J.-L. Mi and H.-J. Chen

Abstract: In the title compound, [Eu2(C6H5NO3)2(C2O4)3(H2O)4]n, the EuIII atom is bonded to one O atom from a monodentate 5-hydroxypyridin-1-ium-3-carboxylate ligand, six O atoms from three oxalate ligands and two water molecules, exhibiting a highly distorted tricapped trigonal geometry. Three independent oxalate ligands, each lying on an inversion center, bridge the EuIII atoms, forming a brickwall-like layer parallel to (001), which is stabilized by intralayer O-H...O hydrogen bonds. The layers are further linked through interlayer O-H...O and N-H...O hydrogen bonds and [pi]-[pi] interactions between the pyridine rings [centroid-centroid distance = 3.5741 (14) Å] into a three-dimensional supramolecular network.


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