Synthesis and the crystal structures of double complexes of copper(II) and cobalt(II) with tris(3,5-dimethylpyrazol-1-yl)methane

A. N. Protsenko, O. G. Shakirova, N. V. Kuratieva

Research output: Contribution to journalArticlepeer-review

Abstract

Novel coordination compounds of Cu(II) with tris(3,5-dimethylpyrazol-1-yl)methane (HC(3,5-me2pz)3) such as [Cu(HC(3,5-me2pz)3)2][CuCl4]·2H2O (I) and [Cu(HC(3,5-me2pz)3)2][Cu2Br6]·4H2O (II), have been synthesized. These compounds were studied by IR and electronic (SDR) spectroscopy. It has been shown, that single crystal formation of complexes in acid media are coupled with the processes of ligand hydrolysis and the formation of halo- and aquacomplexes. The crystal and molecular structures of compounds ((3,5-me2pzH)2[Cu(HC(3,5-me2pz)3)2][CuCl4]2 (III) (here 3,5-me2pzH is 3,5-dimethylpyrazolium), [Cu(HC(3,5-me2pz)3)2][Cu2Br6] (IV) and [Co(HC(3,5-me2pz)3)2][Co(H2O)Cl3]2 (V), were determined by means of single-crystal X-ray diffraction analysis.

Original languageEnglish
Pages (from-to)782-787
Number of pages6
JournalJournal of Molecular Structure
Volume1175
DOIs
Publication statusPublished - 5 Jan 2019

Keywords

  • Cobalt(II)
  • Copper(II)
  • Crystal structure
  • IR-Spectroscopy
  • Synthesis
  • tris(3,5-dimethylpyrazol-1-yl)methane
  • SPIN-CROSSOVER
  • MOLECULAR-STRUCTURE
  • TRIS(PYRAZOL-1-YL)METHANE
  • CU(II)
  • HEXABROMODICUPRATE(II)
  • IRON(II) COMPLEXES
  • SPECTRAL CHARACTERISTICS
  • CENTER-DOT

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