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<p>Using EPR spectroscopy, dynamic light scattering, chromato-mass spectrometry in situ, and DFT calculations, it has been shown that the reaction of a Re(CO)<sub>5</sub>Br dispersion in n-hexane with triethylaluminum (Et<sub>3</sub>Al) leads to the formation of a paramagnetic low-spin (S = 1/2) rhenium complex with a square-pyramidal geometry. The reaction is accompanied by the release of CO, C<sub>2</sub>H<sub>4</sub>, and C<sub>2</sub>H<sub>6</sub>.</p>

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Formation of Paramagnetic Complexes in the Reaction of Re(CO)5Br with Et3Al

  • 期刊论文

  • 发表日期：

    2025年7月1日

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  • S. N. Osmanova,
  • A. I. Rustamova,
  • L. V. Huseynova,
  • F. K. Pashayeva,
  • A. N. Azizova,
  • Z. M. Mammadova,
  • E. H. Ismailov

摘要

Using EPR spectroscopy, dynamic light scattering, chromato-mass spectrometry in situ, and DFT calculations, it has been shown that the reaction of a Re(CO)5Br dispersion in n-hexane with triethylaluminum (Et3Al) leads to the formation of a paramagnetic low-spin (S = 1/2) rhenium complex with a square-pyramidal geometry. The reaction is accompanied by the release of CO, C2H4, and C2H6.