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Poly[diaqua(-oxalato)(-2-oxidopyridinium-3-carboxylato)lanthanum(III)]

Acta Crystallographica Section E

Structure Reports Online

Volume 65, Part 6 (June 2009)


metal-organic compounds



Acta Cryst. (2009). E65, m682    [ doi:10.1107/S1600536809018194 ]

Poly[diaqua([mu]-oxalato)([mu]-2-oxidopyridinium-3-carboxylato)lanthanum(III)]

Z. Hu and Z.-B. Zhu

Abstract: In the title complex, [La(C6H4NO3)(C2O4)(H2O)2]n, the LaIII ion is coordinated by eight O atoms from two 2-oxidopyridinium-3-carboxylate ligands, two oxalate ligands and two water molecules in a distorted bicapped square-antiprismatic geometry. The carboxylate groups link adjacent LaIII ions, forming two-dimensional layers that are further linked by N-H...O and O-H...O hydrogen bonds.

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