Abstract
The reactions of functionalized lithium CF3-β-diketonate (LiL) with europium(III) and terbium(III) chlorides in acetonitrile afford heterobimetallic complexes with the general formula [LiL-nL4(H2O)](CH3CN) (Ln = Eu (IIIa) and Tb (IIIb)). It is found that Ln–Li tetrakis-β-diketonates can also be prepared by the crystallization from acetonitrile of the previously synthesized complexes [(LnL3)(LiL)(MeOH)] (I) and [(LnL3)(LiL)(H2O)] (II). For the first time, the single crystals of the compounds in a series of Ln–Li tetrakis-β-diketonates are characterized by X-ray diffraction analysis (CIF files CCDC nos. 1973632 (IIIa) and 1973633 (IIIb)). The photoluminescence properties of the synthesized heterometallic complexes in the solid state are studied.
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ACKNOWLEDGMENTS
The XRD and physicochemical studies were carried out using the equipment of the Center for Collective Use “Spectroscopy and Analysis of Organic Compounds” on the basis of the Postovsky Institute of Organic Synthesis (Ural Branch, Russian Academy of Sciences).
Funding
This work was supported by the Russian Foundation for Basic Research (project no. 18-33-20124), Council for Grants of President of the Russian Federation (grant no. MK-1453.2019.3), and basic themes of the Russian Academy of Sciences (state registration nos. AAAA-A19-119011790132-7 and AAAA-A19-119012490006-1).
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The authors congratulate Academician I.L. Eremenko on his 70th jubilee
Translated by E. Yablonskaya
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Kudyakova, Y.S., Slepukhin, P.A., Valova, M.S. et al. A Rare Example of Discrete Lanthanide–Lithium Tetrakis-β-Diketonates: Synthesis, Structures, and Luminescence Properties. Russ J Coord Chem 46, 545–552 (2020). https://doi.org/10.1134/S1070328420070027
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DOI: https://doi.org/10.1134/S1070328420070027