Synthesis and Characterization of Lanthanide(III) and Y(III) Complexes with 2-Hydroxy-3-methylbenzoic Acid

• Autorzy: Kula A.
• Języki publikacji: EN

Abstrakty

EN

The com plexes of lanthanides(III) (La - Lu) and Y(III) with 2-hydroxy-3-methylbenzoic acid with a general formula Ln(C8H7O3)3×nH2O, where n = 3 for La - Pr; n = 4 for Nd - Tm and Y, n = 2 for Yb - Lu were prepared and characterized by IR spectroscopy, X-ray diffraction patterns, thermogravimetric studies and solubility. Tri- and tetrahydrates form three isostructural groups; complexes of Yb and Lu are amorphous. The carboxylate groups in these complexes are sym metrical, bidentate chelating or bridging. When heated, hydrated complexes first loose molecules of water; then de compose to oxides of the respective metals. Solubility of these com plexes in wa ter at 293 K is of the order of 10-3 mol×dm-3.

Słowa kluczowe

EN

2-hydroxy-3-methylbenzoates; 3-methylsalicylates; complexes of lanthanide(III); o-cresotic acid; thermal stability analysis; IR spectra; synthesis

• Wydawca: Polskie Towarzystwo Chemiczne
• Czasopismo: Polish Journal of Chemistry
• Rocznik: 2005
• Tom: Vol. 79 / nr 11
• Strony: 1713--1720
• Opis fizyczny: Bibliogr. 22 poz., rys.

Twórcy

autor

Kula A.

• Department of General and Coordination Chemistry, Marie Curie Sklodowska University, 20-031 Lublin, Poland

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