High-Temperature Spin Crossover in Complexes of Iron(II) closo-Borates with 2,6-Bis(benzimidazol-2-yl)pyridine

A. D. Ivanova, L. G. Lavrenova, E. V. Korotaev, S. V. Trubina, L. A. Sheludyakova, S. A. Petrov, K. Yu Zhizhin, N. T. Kuznetsov

Research output: Contribution to journalArticlepeer-review

Abstract

New iron(II) complexes with 2,6-bis(benzimidazol-2-yl)pyridine (L) and closo-borate(2–) anions—[FeL2][B10H10] ⋅ 2H2O and [FeL2][B12H12] ⋅ H2O—have been synthesized. The complexes have been characterized by static magnetic susceptibility measurements, electronic (diffuse reflectance spectra), IR, and EXAFS spectroscopy, and X-ray diffraction analysis. A study of the μeff(T) dependence in the temperature range 80–500 K has shown that the complexes exhibit a high-temperature spin crossover 1А15Т2.

Original languageEnglish
Pages (from-to)1687-1694
Number of pages8
JournalRussian Journal of Inorganic Chemistry
Volume65
Issue number11
DOIs
Publication statusPublished - Nov 2020

Keywords

  • 2,6-bis(benzimidazol-2-yl)pyridine
  • and EXAFS spectroscopy
  • cluster boron anions
  • complexes
  • electronic
  • IR
  • iron(II)
  • spin crossover
  • synthesis
  • XRD
  • TRANSITION MOLECULAR MATERIALS
  • BORON CLUSTER ANIONS
  • 2
  • 6-bis(benzimidazol-2-yl)pyridine
  • CHEMISTRY

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