Synthesis, Photoluminescent, and Magnetic Properties of Two Lanthanide Sulfosalicylate Complexes

Self-assembly reactions of 5-sulfosalicylic acid (ssa) and lanthanide oxides under hydrothermal condition gave rise to two hybrid polymeric complexes, namely [Nd(ssa)(H2O)](n) (1) and {[Tb(ssa)(H2O)(2)]center dot H2O}(n) (2). X-ray diffraction analyses reveal that complex 1 holds a three-dimensional framework and complex 2 possesses a two-dimensional network with the asymmetric unit comprising one Tb(III) ion, one sulfosalicylate ligand, and two coordinated and one free water molecule. The Fourier transform infrared spectra, thermogravimetric analyses, magnetic susceptibility, and fluorescent measurements for the complexes have been performed.