Abstract

Four new lanthanide coordination polymers {[Ln(HL) 2(H 2O) 5] · HL · H 2O} n (Ln = Sm for 1, Eu for 2, Tb for 3 and Dy for 4) (H 2L = 6-hydroxynicotinic acid) have been synthesized and characterized by elemental analysis, FT-IR spectra and X-ray single-crystal diffraction. They all exhibit 1D chain structure, which are further linked via hydrogen bonds to form 3D supramolecular architecture. Luminescent properties of these lanthanide coordination polymers are studied.

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