Transition metal complexes with pyrazole-based ligands Part 12. Characterisation and thermal decomposition of CuCl2 complexes with di- and trisubstituted pyrazoles

K. Mészáros Szécsényi, V. M. Leovac, A. K. Jaćimović, V. I. Češljević, A. Kovács, G. Pokol

Research output: Contribution to journalArticle

24 Citations (Scopus)

Abstract

The synthesis of copper(II) chloride complexes with 3,5-dimethylpyrazole, 1-carboxamidine-3,5-dimethylpyrazole, 5-amino-4-carboxamide-1-phenylpyrazole and 4-acetyl-3-amino-5-methylpyrazole is described. The compounds are characterized by elemental analysis, FT-IR spectroscopy, thermal methods, magnetic moment and molar conductivity measurements. Thermal decomposition of the dichloro-(3,5-dimethylpyrazole)-copper(II) complex results in an unstable intermediate with a stochiometric composition. The decomposition of the other compounds is continuous.

Original languageEnglish
Pages (from-to)573-581
Number of pages9
JournalJournal of Thermal Analysis and Calorimetry
Volume66
Issue number2
DOIs
Publication statusPublished - Jan 1 2001

Keywords

  • 1-carboxamide-3,5-dimethylpyrazole
  • 1-carboxamidine-3, 5-dimethylpyrazole
  • 3,5-dimethylpyrazole
  • 4-acetyl-3-amino-5-methylpyrazole
  • 5-amino-4-carboxamide-1-phenylpyrazole
  • Copper(II) complexes
  • FT-IR spectroscopy
  • Magnetic measurements
  • Thermal decomposition

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Physical and Theoretical Chemistry

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