Spectraland thermal studies of light lanthanide 4-chlorophthalates |
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| Authors: | R. Kurpiel-Gorgol Wanda Brzyska |
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| Affiliation: | (1) Department of General and Coordination Chemistry, Faculty of Chemistry, Marie Curie-Skłodowska University, Lublin, Poland, 20-030 |
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| Abstract: | Conditions for the preparation of light lanthanide 4-chlorophthalates were investigated and their composition, solubility in water at 295 K, IR spectra and thermal decomposition were determined. 4-Chlorophthalates of La–Nd(III) were prepared as complexes with general formula NaLn[ClC6H3(CO2)2]2, whereas compounds of Sm and Eu have general formula Ln2[ClC6H3(CO2)2]3·6H2O. During heating all complexes decompose to oxides with intermediate formation of oxochlorides. The carboxylate groups in the complexes studied are bidentate bridging (Sm, Eu) or bidentate chelating and bridging (La–Nd). |
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| Keywords: | 4-chlorophthalic acid-monosodium salt IR spectra lanthanide complexes thermal analysis |
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