High-temperature spin transition in the iron(II) trifluoromethylsulfonate, perrhenate, and tetraphenylborate complexes with tris(pyrazol-1-yl)methane

O. G. Shakirova, V. A. Daletsky, L. G. Lavrenova, N. V. Kuratieva, E. A. Shusharina, L. A. Sheludyakova, S. F. Vasilevskii

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New coordination compounds of iron(II) trifluoromethylsulfonate, perrhenate, and tetraphenylborate with tris(pyrazol-1-yl)methane (HC(Pz) 3) of the composition [Fe(HC(Pz)3)2]A 2 (A = CF3SO3 - (I), ReO4 - (II), and B(C6H5)4 - (III)) were synthesized and studied by the method of static magnetic susceptibility and IR and electronic spectroscopies. The crystal and molecular structures of compounds I and II were determined by X-ray diffraction analysis. The magnetochemical study of complexes I-III in the interval from 275 to 500 K showed that they possessed the high-temperature spin transition 1 A 15 T 2 accompanied by thermochromism.

Original languageEnglish
Pages (from-to)511-517
Number of pages7
JournalRussian Journal of Coordination Chemistry/Koordinatsionnaya Khimiya
Issue number7
Publication statusPublished - 1 Jul 2011
Externally publishedYes


ASJC Scopus subject areas

  • Chemistry(all)
  • Chemical Engineering(all)

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