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

IF 1.1 3区 化学 Q4 CHEMISTRY, INORGANIC & NUCLEAR Russian Journal of Coordination Chemistry Pub Date : 2024-08-21 DOI:10.1134/S1070328424600256
I. K. Rubtsova, P. N. Vasilyev, J. K. Voronina, M. A. Shmelev, N. N. Efimov, S. A. Nikolaevskii, I. L. Eremenko, M. A. Kiskin
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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[Co2Li22-Piv)61-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.

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带有杂金属复合阴离子 [Co2Li2(Piv)8]2- 的咪唑盐:合成、结构和磁性能
摘要具有复合阴离子[Co2Li2(Piv)8]2-的咪唑盐是杂金属化合物[Co2Li2(Piv)6(Py)2]与 N-杂环碳化物 ItBu 和 IPr 反应的不良产物。对复合物 (HItBu)2[Co2Li2(µ2-Piv)6(κ1-Piv)2] 的磁性研究表明,这种化合物是一种单分子磁体。复合物中缓慢的磁弛豫是由直接机制和拉曼机制共同作用产生的。
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来源期刊
Russian Journal of Coordination Chemistry
Russian Journal of Coordination Chemistry 化学-无机化学与核化学
CiteScore
2.40
自引率
15.80%
发文量
85
审稿时长
7.2 months
期刊介绍: Russian Journal of Coordination Chemistry is a journal that publishes reviews, original papers, and short communications on all aspects of theoretical and experimental coordination chemistry. Modern coordination chemistry is an interdisciplinary science that makes a bridge between inorganic, organic, physical, analytical, and biological chemistry.
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