Acta Cryst. (2007). E63, m73-m74  [ doi:10.1107/S1600536806051622 ]

Poly[triaquatris(-4-pyridine-3,5-dicarboxylato)didysprosium(III)]

F. Li

Abstract: The title complex, [Dy₂(C₇H₃NO₄)₃(H₂O)₃]_n, contains two independent dysprosium centers which are connected through two carboxylate O atoms into a binuclear unit. Each binuclear unit is linked to symmetry-related units by four 4-pyridine-3,5-dicarboxylate ligands to form a two-dimensional layer structure parallel to the ac plane. These two-dimensional layers are, in turn, linked into a three-dimensional network via shared carboxylate O atoms.

Online 6 December 2006

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