Elsevier, Journal of Molecular Structure, 1-3(837), p. 185-189
DOI: 10.1016/j.molstruc.2006.10.013
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Rare-earth metal-organic frameworks, [Ln(2)(pydc)(3)(H2O)(9)](n)3nH(2)O (Ln = Sm, Eu, Gd, Dy; pydc = pyridine-3,5-dicarboxylate), were synthesized and characterized by elemental analysis, IR spectra and single-crystal X-ray diffraction. The solid-state photoluminescence measurements exhibited red light-emitting characteristic of europium (III) coordination polymer. The title compounds consist of one-dimensional dual chains, in which each metal atom is nine-coordinated with oxygen atoms. (c) 2006 Elsevier B.V. All rights reserved.