The neutral complex [Tb(L3)(MeOH)2] was unexpectedly formed as the major product of the reaction of Tb(NO3)3 ∙ 6H2O with 1-(1,5-dimethyl-1H-pyrazol-4-yl)-4,4,4-trifluorobutane-1,3-dione (HL) and CsOH in aqueous alcohol in 1 : 4 : 4 molar ratio of the reactants. The composition of the complex was confirmed by elemental analysis and X-ray diffraction stidy (CIF file CCDC no. 1876652); luminescent properties of the complex were investigated.
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The authors are grateful to Prof. Yu.V. Nelyubina (Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences) for performing X-ray diffraction study and to E.A. Varaksina (Lebedev Physical Institute, Russian Academy of Sciences) for the help in the photophysical measurements. X-ray diffraction studies were supported by the Ministry of Science and Higher Education of the Russian Federation and employed using the research equipment of the Center of Molecular Structure Investigations, Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences.
This work was supported by the Russian Science Foundation (grant no. 19-13-00272).
The authors declare that they have no conflicts of interest.
Translated by Z. Svitanko
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Taydakov, I.V., Avetisov, R.I. & Datskevich, N.P. Tris(1,5-dimethyl-1H-pyrazol-4-yl)-4,4,4-trifluorobutane-1,3-dionato)(dimethanol)terbium(III): synthesis, crystal structure, and luminescent properties. Russ J Coord Chem 45, 883–888 (2019). https://doi.org/10.1134/S1070328419120078
- terbium coordination compounds