Mono- and heteroligand iron(II) complexes with tris(3,5-dimethylpyrazol-1-yl)methane

L. G. Lavrenova, A. D. Strekalova, A. I. Smolentsev, D. Yu Naumov, A. S. Bogomyakov, L. A. Sheludyakova, S. F. Vasilevskii

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Coordination compounds of iron(II) thiocyanate with tris(3,5-dimethylpyrazol-1-yl)methane (HC(3,5-Me2Pz)3), [Fe(HC(3,5-Me2Pz)3)2](NCS)2] (I) and [Fe(HC(3,5-Me2Pz)3)(Рhz)(NCS)2] · H2O (II), where Рhz is phthalazine, are synthesized. The complexes are studied by X-ray diffraction analysis, diffuse reflectance and IR spectroscopy, and static magnetic susceptibility measurements. The single crystals are obtained, and the molecular and crystal structures of complex II and compounds [Fe(HC(3,5-Me2Pz)3)(3,5-Me2Pz)(NCS)2] · С2H5OH (III), where 3,5-Me2Pz is 3,5-dimethylpyrazole, and [Fe(HC(3,5-Me2Pz)3)2][Fe(HC(3,5-Me2Pz)3)(NCS)3]2 (IV) are determined (CIF files CCDC 1415452 (II), 1415453 (III), and 1415454 (IV)). The study of the temperature dependence μeff(Т) in a range of 2–300 K shows exchange interactions of the antiferromagnetic character between the iron(II) ions in complexes I and II.

Original languageEnglish
Pages (from-to)711-718
Number of pages8
JournalRussian Journal of Coordination Chemistry/Koordinatsionnaya Khimiya
Volume42
Issue number11
DOIs
Publication statusPublished - 1 Nov 2016
Externally publishedYes

Keywords

  • complexes
  • iron(II)
  • magnetic properties
  • structure
  • tris(3,5-dimethylpyrazol-1-yl)methane

ASJC Scopus subject areas

  • Chemistry(all)
  • Chemical Engineering(all)

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