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Poly[tetraaquadi-μ4-oxalato-potassiumytterbium(III)]

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Author(s): Feng-Ming Zhang | Guang-Feng Hou | Peng-Fei Yan | Guang-Ming Li

Journal: Acta Crystallographica Section E
ISSN 1600-5368

Volume: 67;
Issue: 12;
Start page: m1719;
Date: 2011;
Original page

ABSTRACT
In the title compound, [KYb(C2O4)2(H2O)4]n, the YbIII ion lies on a site of overline{4} symmetry in a dodecahedral environment defined by eight O atoms from four oxalate ligands. The K atom lies on a different overline{4} axis and is coordinated by four O atoms from four oxalate ligands and four water O atoms. The oxalate ligand has an inversion center at the mid-point of the C—C bond. The metal ions are linked by the oxalate ligands into a three-dimensional framework. O—H...O hydrogen bonding is present in the crystal structure.
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