Synthesis, structure, and luminescent properties of neutral tris-complexes of Eu3$\mathplus$ and Sm3$\mathplus$ with 4,4,5,5,6,6,6-heptafluoro-1-(1-methyl-1H-pyrazol-4-yl)hexane-1,3-dioneстатья
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Аннотация:The reaction of 4,4,5,5,6,6,6-heptafluoro-1-(1-methyl-1H-pyrazol-4-yl)hexane-1,3-dione(HPyrC 3 F 7 ) with freshly precipitated hydrated europium( III ) and samarium( III ) hydroxidesin EtOH afforded crystalline complexes of the composition [Ln(PyrC 3 F 7 ) 3 (EtOH) 2 ], thefeatures of their formation depending on the stoichiometric ligand/metal ratios were studied.The structure and composition of the complexes were characterized by physicochemicalmethods, including single-crystal X-ray diffraction. The luminescent properties of thesecompounds in the crystalline state and in solutions were studied in detail. Possible waysof transferring electronic excitation in the complex [Eu(PyrC3F7)3(EtOH)2] were considered
