Spectroscopic and Thermal Studies of Magnesium(II), Barium(II), Zinc(II), Copper(II), Lanthanum(III) and Aluminium(III) Comlexes with 3-Phenyl-1-methylpyrazolo[3,4-b}quinolino-6-carboxylic Acid

• Autorzy: Kowalczyk B. , Brągiel P. , Kapuśniak J. , Giełzak-Koćwin K. , Tsvirko M. , Siemion P. , Jarosz B.
• Języki publikacji: EN

Abstrakty

EN

Magnesium(II), barium(II), zinc(II), copper(II), lanthanum(III) and aluminium(III) complexes with 3-phenyl-1-methylpyrazolo[3,4-b]quinlino-6-carboxylic acid (HPQ) were stud ied by IR and EPR methods, TG-DSC ther mal analysis, powder X-ray method, absorption and fluorescence spectroscopy. The IR spectra suggest that the carboxylate ligand acts as mono- or bidentate species. EPR spectra indi ate the dimerization of copper(II) complex. During thermal decomposition the hy drated complexes lose all the crystallization and coordination water molecules and decompose gradually to oxides, and to BaCO3 in the case of barium(II) complex. The powder fluorescence spectra in dicated the differences in emission of ligand and zinc(II), magnesium(II), aluminium(III) and copper(II) complexes.

Słowa kluczowe

EN

EPR; IR; UV; fluorescence spectra; TG-DSC thermal analysis; chemosensors

• Wydawca: Polskie Towarzystwo Chemiczne
• Czasopismo: Polish Journal of Chemistry
• Rocznik: 2005
• Tom: Vol. 79 / nr 11
• Strony: 1721--1730
• Opis fizyczny: Bibliogr. 15 poz., rys.

Twórcy

autor

Kowalczyk B.

• Institute of Chemistry and Environmental Protection, J. Długosz University, 42-401 Częstochowa, Poland

autor

Brągiel P.

• Institute of Physics, J. Długosz University, 42-201 Częstochowa, Poland

autor

Kapuśniak J.

• Institute of Chemistry and Environmental Protection, J. Długosz University, 42-401 Częstochowa, Poland

autor

Giełzak-Koćwin K.

• Institute of Chemistry and Environmental Protection, J. Długosz University, 42-401 Częstochowa, Poland

autor

Tsvirko M.

• Institute of Chemistry and Environmental Protection, J. Długosz University, 42-401 Częstochowa, Poland

autor

Siemion P.

• Institute of Chemistry and Environmental Protection, J. Długosz University, 42-401 Częstochowa, Poland

autor

Jarosz B.

• Department of Chemistry, Agricultural University, 30-059 Kraków, Poland

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