Magnetic properties of new complexes of 3d metal chlorides with 3-amino-4-ethoxycarbonylpyrazole

L. G. Lavrenova, A. S. Zhilin, A. S. Bogomyakov, L. A. Sheludyakova, A. V. Alekseev, S. F. Vasilevskii

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4 Citations (Scopus)

Abstract

New complexes of Co(II), Ni(II), and Cu(II) chlorides with 3-amino-4-ethoxycarbonylpyrazole (L) of the composition ML2Cl 2 are synthesized. The compounds are studied by powder X-ray diffraction, electronic and IR spectroscopy, static magnetic susceptibility (temperature range 2-300 K). It is found that in the ML2Cl 2 complexes (M = Co(II), Ni(II), Cu(II)) ferromagnetic exchange interactions between the unpaired electrons of metal ions occur. In [CoL 2Cl2] and [NiL2Cl2] compounds a transition to the magnetically ordered state (T c ≊ 10-12 K) is observed.

Original languageEnglish
Pages (from-to)713-718
Number of pages6
JournalJournal of Structural Chemistry
Volume54
Issue number4
DOIs
Publication statusPublished - 18 Oct 2013
Externally publishedYes

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Keywords

  • 3-amino-4-ethoxycarbonylpyrazole
  • 3d metals
  • complexes
  • electronic and IR spectroscopy
  • magnetochemistry
  • synthesis

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Inorganic Chemistry
  • Materials Chemistry

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