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- Title
Synthesis, Structure, and Photoluminescent Properties of Zn<sup>2+</sup>, Mn<sup>2+</sup>, Cd<sup>2+</sup>, Eu<sup>3+</sup>, and Tb<sup>3+</sup> Complexes with 4-Allyl-2,3,5,6-Tetrafluorobenzoic Acid Anions and 1,10-Phenanthroline.
- Authors
Shmelev, M. A.; Chistyakov, A. S.; Razgonyaeva, G. A.; Voronina, J. K.; Varaksina, E. A.; Taydakov, I. V.; Sidorov, A. A.; Eremenko, I. L.
- Abstract
We report a synthesis of a series of molecular compounds and coordination polymers of Zn2+, Mn2+ Cd2+, Eu3+, and Tb3+ with 4-allyl-2,3,5,6-tetrafluorobenzoic acid (4-Afb) anions and 1,10-phenanthroline with compositions [Zn(H2O)(phen)(4-Afb)2] (1), [Mn(H2O)(phen)(4-Afb)2]n·nH2O (2), [Cd(H2O)(phen)(4-Afb)2]n (3), [Cd(phen)(4-Afb)2]n (4), [Ln2(phen)2(4-Afb)6] (Ln = Eu 5Eu; Tb 5Tb). It is shown that the obtained cadmium coordination polymers have various compositions and structures, depending on crystallization conditions. The prepared compounds are characterized by single-crystal XRD, powder XRD, IR spectroscopy, and CHN analysis. Noncovalent interactions are analyzed using the Hirshfeld surface analysis. It is determined that the crystal packings is mainly stabilized by π⋯π, C–H⋯F, and C–F⋯π interactions. The photoluminescent properties of the 5Eu and 5Tb complexes are studied. It is shown that the structure-forming effects of non-covalent "arene–perfluoroarene" interactions can be possibly used for preorganizing reactive functional groups in the crystal.
- Subjects
COORDINATION polymers; MOLECULES; COORDINATION compounds; CADMIUM compounds; TERBIUM; X-ray diffraction; ANIONS; SURFACE analysis; RARE earth metals
- Publication
Journal of Structural Chemistry, 2024, Vol 65, Issue 2, p362
- ISSN
0022-4766
- Publication type
Article
- DOI
10.1134/S0022476624020148