Spin crossover in a tetranuclear Cr(III)-Fe(III)3 complex

Research output: Contribution to journal › Article › Research › peer review

Authors

  • Radovan Herchel
  • Roman Boča
  • Milan Gembický
  • Jozef Kožís̃ek
  • Franz Renz

External Research Organisations

  • Slovak University of Technology in Bratislava
  • Johannes Gutenberg University Mainz
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Details

Original languageEnglish
Pages (from-to)4103-4105
Number of pages3
JournalInorganic chemistry
Volume43
Issue number14
Publication statusPublished - 12 Jul 2004
Externally publishedYes

Abstract

A novel heteronuclear exchange-coupled complex [CrIII{(CN) FeIII-(5L}3(CN)3] containing a pentadentate blocking ligand 5L was synthesized. The X-ray structure shows that a meridional isomer applies with inequivalent FeIII centers. The complex exhibits a thermally induced spin crossover along with the exchange coupling. Mössbauer spectra indicate a spin transition between S = 1/2 and S = 5/2 states although a considerable amount of FeIII centers stays high-spin at T = 6 K. The magnetization, the magnetic susceptibility, and the Mössbauer data were fitted in one run with a spin crossover model taking into account exchange interactions among all metal centers.

ASJC Scopus subject areas

Cite this

Spin crossover in a tetranuclear Cr(III)-Fe(III)3 complex. / Herchel, Radovan; Boča, Roman; Gembický, Milan et al.
In: Inorganic chemistry, Vol. 43, No. 14, 12.07.2004, p. 4103-4105.

Research output: Contribution to journal › Article › Research › peer review

Herchel, R, Boča, R, Gembický, M, Kožís̃ek, J & Renz, F 2004, 'Spin crossover in a tetranuclear Cr(III)-Fe(III)3 complex', Inorganic chemistry, vol. 43, no. 14, pp. 4103-4105. https://doi.org/10.1021/ic035374i
Herchel, R., Boča, R., Gembický, M., Kožís̃ek, J., & Renz, F. (2004). Spin crossover in a tetranuclear Cr(III)-Fe(III)3 complex. Inorganic chemistry, 43(14), 4103-4105. https://doi.org/10.1021/ic035374i
Herchel R, Boča R, Gembický M, Kožís̃ek J, Renz F. Spin crossover in a tetranuclear Cr(III)-Fe(III)3 complex. Inorganic chemistry. 2004 Jul 12;43(14):4103-4105. doi: 10.1021/ic035374i
Herchel, Radovan ; Boča, Roman ; Gembický, Milan et al. / Spin crossover in a tetranuclear Cr(III)-Fe(III)3 complex. In: Inorganic chemistry. 2004 ; Vol. 43, No. 14. pp. 4103-4105.
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AU - Herchel, Radovan

AU - Boča, Roman

AU - Gembický, Milan

AU - Kožís̃ek, Jozef

AU - Renz, Franz

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AB - A novel heteronuclear exchange-coupled complex [CrIII{(CN) FeIII-(5L}3(CN)3] containing a pentadentate blocking ligand 5L was synthesized. The X-ray structure shows that a meridional isomer applies with inequivalent FeIII centers. The complex exhibits a thermally induced spin crossover along with the exchange coupling. Mössbauer spectra indicate a spin transition between S = 1/2 and S = 5/2 states although a considerable amount of FeIII centers stays high-spin at T = 6 K. The magnetization, the magnetic susceptibility, and the Mössbauer data were fitted in one run with a spin crossover model taking into account exchange interactions among all metal centers.

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