Transition metal complexes with pyrazole-based ligands. Part 6. Synthesis, characterization and thermal decomposition of cadmium complexes with 3(5)-amino-5(3)-methylpyrazole

K. Mészáros Szecsenyi, E. Z. Ivegeš, V. M. Leovac, Lj S. Vojinović, A. Kovács, G. Pokol, J. Madarász, Ž K. Jaćimović

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The synthesis, IR-spectra and thermal analysis of tetrahedral or octahedral Cd(II)-complexes of 3(5)-amino-5(3)-methylpyrazole (L), as represented by the general formula CdX2L2·nH2O (X= NCS-, NCO-, Cl-, n=2; 1/2 SO2-4, n=1), and of the complex Cd(OAc)2L3·H2O are described. Thermal decomposition of the acetato complex results in an intermediate, appearing in the 480-580 K range. On the basis of the IR-spectrum and the results of elemental analysis of the intermediate, a decomposition scheme is proposed. Because of the involvement of a different anion, the thermal decomposition of the other complexes differs from that of the acetato complex.

Original languageEnglish
Pages (from-to)79-85
Number of pages7
JournalThermochimica Acta
Issue number1
Publication statusPublished - May 26 1998



  • 3(5)-Amino-5(3)-methylpyrazole
  • Cadmium complexes
  • Thermal decomposition

ASJC Scopus subject areas

  • Instrumentation
  • Condensed Matter Physics
  • Physical and Theoretical Chemistry

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