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Poly[dimethylammonium [aquadi-μ2-oxalato-yttriate(III)] trihydrate]

Author(s): Yao-Kang Lv | Li-Hua Gan | Liang Xu | Hao-Wen Zheng | Cao Liu

Journal: Acta Crystallographica Section E
ISSN 1600-5368

Volume: 67;
Issue: 7;
Start page: m837;
Date: 2011;
Original page

The title complex, {(C2H8N)[Y(C2O4)2(H2O)]·3H2O}n, was obtained accidentally under hydrothermal conditions. The YIII atom is chelated by four oxalate ligands and one water molecule resulting in a distorted tricapped trigonal–prismatic geometry. Each oxalate ligand bridges two YIII atoms, thus generating a three-dimensional network with cavities in which the ammonium cations and lattice water molecules reside. Various O—H...O and N—H...O hydrogen-bonding interactions stabilize the crystal structure. The title complex is isotypic with the Eu and Dy analogues.
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