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Imidazolium Salts with Heterometallic Complex Anions [Co2Li2(Piv)8]2–: Synthesis, Structures, and Magnetic Properties

  • 期刊论文

  • 发表日期：

    2024年7月1日

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  • I. K. Rubtsova,
  • P. N. Vasilyev,
  • J. K. Voronina,
  • M. A. Shmelev,
  • N. N. Efimov,
  • S. A. Nikolaevskii,
  • I. L. Eremenko,
  • M. A. Kiskin

摘要

Abstract

Imidazolium salts with complex anions [Co2Li2(Piv)8]2– are formed as undesirable products of the reactions of heterometallic compound [Co2Li2(Piv)6(Py)2] with N-heterocyclic carbenes ItBu and IPr. The study of the magnetic properties of complex (HItBu)2[Co2Li2(µ2-Piv)6(κ1-Piv)2] shows that this compound is a single molecule magnet. Slow magnetic relaxation in the complex occurs due to a combination of the direct and Raman mechanisms.