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

Imidazolium salts with complex anions [Co 2 Li 2 (Piv) 8 ] 2– are formed as undesirable products of the reactions of heterometallic compound [Co 2 Li 2 (Piv) 6 (Py) 2 ] with N-heterocyclic carbenes ItBu and IPr. The study of the magnetic properties of complex (HI t Bu) 2 [Co 2 Li 2 (µ 2 -Piv) 6 (κ 1...

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Bibliographic Details
Published in:Russian journal of coordination chemistry 2024, Vol.50 (7), p.523-533
Main Authors: Rubtsova, I. K., Vasilyev, P. N., Voronina, J. K., Shmelev, M. A., Efimov, N. N., Nikolaevskii, S. A., Eremenko, I. L., Kiskin, M. A.
Format: Article
Language:English
Subjects:
Anions
Chemistry
Chemistry and Materials Science
Inorganic Chemistry
Magnetic induction
Magnetic properties
Magnetic relaxation
Physical Chemistry
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Summary:Imidazolium salts with complex anions [Co 2 Li 2 (Piv) 8 ] 2– are formed as undesirable products of the reactions of heterometallic compound [Co 2 Li 2 (Piv) 6 (Py) 2 ] with N-heterocyclic carbenes ItBu and IPr. The study of the magnetic properties of complex (HI t Bu) 2 [Co 2 Li 2 (µ 2 -Piv) 6 (κ 1 -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.
ISSN:1070-3284
1608-3318
DOI:10.1134/S1070328424600256