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Acta Cryst. (2009). E65, m1217-m1218 [ doi:10.1107/S1600536809036344 ]
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2-oxalato)(2-2-oxidopyridinium-3-carboxylato)holmium(III)] monohydrate]Abstract: In the title complex, {[Ho(C2O4)(C6H4NO3)(H2O)]·(H2O)}n, the HoIII ion is coordinated by three O atoms from two 2-oxidopyridinium-3-carboxylate ligands, four O atoms from two oxalate ligands and one water molecule in a distorted bicapped trigonal-prismatic geometry. The 2-oxidopyridinium-3-carboxylate and oxalate ligands link the HoIII ions into a layer in (100). These layers are further connected by intermolecular O-H
O hydrogen bonds involving the coordinated water molecules to assemble a three-dimensional supramolecular network. The uncoordinated water molecule is involved in N-HO and O-HO hydrogen bonds within the layer.
Online 16 September 2009
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