Abstract
Complexes of lanthanide(III) (La-Lu) and Y(III) with 4-methylphthalic acid were prepared and their IR spectra, solubility in water at 295 K and thermal decomposition were investigated. Rare earth complexes were obtained as solids with a 2:3 ratio of metal to organic ligand. COO– groups in the prepared complexes act as bidentate chelating and bidentate bridging. During heating they are dehydrated in one (La-Tm) or twosteps (Yb, Lu and Y) and then decompose to the oxides Ln2O3, CeO2, Pr6O11 and Tb4O7.
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Kurpiel-Gorgol, R., Brzyska, W. Spectroscopic and Thermal Studies of Rare Earth Element 4-Methylphthalates. Journal of Thermal Analysis and Calorimetry 66, 851–857 (2001). https://doi.org/10.1023/A:1013156525020
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DOI: https://doi.org/10.1023/A:1013156525020