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Acta Cryst. (2009). E65, m328-m329  [ doi:10.1107/S1600536809005947 ]

Poly[[di-[mu]3-nicotinato-hemi-[mu]4-oxalato-hemi-[mu]2-oxalato-neodymium(III)silver(I)] dihydrate]

X.-Y. Nie and Q.-Z. Li

Abstract: The asymmetric unit of the title compound, {[AgNd(C6H4NO2)2(C2O4)]·2H2O}n, contains one NdIII atom, one AgI atom, one oxalate ligand, two nicotinate ligands and two uncoordinated water molecules. The NdIII atom is eight-coordinated in a distorted square-antiprismatic coordination geometry by four O atoms from two oxalate ligands and four O atoms from four nicotinate ligands. The AgI atom has a T-shaped configuration, defined by two N atoms from two nicotinate ligands and one O atom from one oxalate ligand. The nicotinate and oxalate ligands link the Nd and Ag atoms into a three-dimensional coordination framework. O-H...O and O-H...N hydrogen bonds donated by water molecules are observed in the crystal.

Online 25 February 2009


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