Transition metal complexes with pyrazole based ligands: Part XXV. Deaquation of isostructural cobalt(II) and nickel(II) complexes with 3,5-dimethylpyrazole-1-carboxamidine

Katalin Mészáros Szécsényi, V. M. Leovac, R. Petković, Ž K. Jaćimović, G. Pokol

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

The deaquation of two isostructural compounds of general formula [M(HL)2(H2O)2](NO3)2 (M=Co, Ni, HL=3,5-dimethyl-1H-pyrazole-1-carboxamidine) is discussed in the view of their crystal and molecular structure. The compounds contain the same number and type of hydrogen bonds of the adjacent nitrate ions, only in the opposite orientation. On the basis of their deaquation pattern such a small difference may be detected, i.e., methods of thermal analysis are sensitive enough to show very small structural differences.

Original languageEnglish
Pages (from-to)899-902
Number of pages4
JournalJournal of Thermal Analysis and Calorimetry
Volume90
Issue number3
DOIs
Publication statusPublished - Dec 1 2007

Keywords

  • 3,5-dimethyl-1H-pyrazole-1-carboxamidine
  • Co(II) and Ni(II) complexes
  • Crystal structure
  • Deaquation

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Physical and Theoretical Chemistry

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