Dalton transactions (Cambridge, England : 2003) · 2020
Triple-bridged helical binuclear copper(i) complexes: Head-to-head and head-to-tail isomerism and the solid-state luminescence.
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Shamsieva Aliia V, Musina Elvira I, Gerasimova Tatiana P, Strelnik Igor D, Strelnik Anna G, Kolesnikov Ilya E, Kalinichev Alexey A, Islamov Daut R, Samigullina Aida I, Lönnecke Peter, Katsyuba Sergey A, Hey-Hawkins Evamarie, Karasik Andrey A, Sinyashin Oleg G
Аннотация
A family of helical dinuclear copper(i) pyridylphospholane complexes [Cu2L3X]X (X = BF4-, Cl- and Br-) was prepared. The family includes the first examples of this type of complex based on copper(i) chloride and copper(i) bromide. The two isomers typical of this class of compounds, namely head-to-head and head-to-tail complexes, were studied in solution by spectroscopic and optical methods, and in the solid state by X-ray diffraction. Furthermore, the solid-state luminescence of the complexes at different temperatures was studied, and the results were interpreted using quantum-chemical calculations. It was shown that the luminescence of the complexes is attributed to the 3(M + X)LCT transitions.