Crystal Structure of Metal Complexes with 2-Imidazoline Nitroxides and Dicyanamide

G. V. Romanenko, E. Yu Fursova, G. A. Letyagin, A. S. Bogomyakov, M. V. Petrova, V. A. Morozov, V. I. Ovcharenko

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1 Citation (Scopus)


The structure of heterospin complexes[M(DCA)2L2 x]·yH2O, where M = Mn, Co, Ni, Cu, Lx is the nitronyl nitroxide radical; DCA is the dicyanamide anion, y = 0, 1, or 2 is studied. It is found that the nature of[M(DCA)2L2 x]·yH2O is characterized by the formation of multiple hydrogen bonds generating ribbons, layers, or frameworks in the crystals. The analysis of magnetostructural correlations by means of band calculations of the electronic structure confirms the occurrence of ferromagnetic exchange between the unpaired electrons of paramagnetic centers in solid [Cu(DCA)2L2 1]·2H2O when the distances between the copper ion and the coordinated N-O group are short.

Original languageEnglish
Pages (from-to)1412-1420
Number of pages9
JournalJournal of Structural Chemistry
Issue number6
Publication statusPublished - 1 Nov 2018


  • 2-imidazoline nitroxides
  • cobalt
  • copper
  • dicyanamide
  • manganese
  • mixed-ligand complexes
  • nickel

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