Structure and properties of 4-phenyl-5H-1,2,3-dithiazole-5-thione polyiodide with S−I+−S bridged complexстатья
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Дата последнего поиска статьи во внешних источниках: 11 апреля 2022 г.
Аннотация:Treatment of 4-phenyl-5H-1,2,3-dithiazole-5-thione with iodine in acetonitrile yielded crystalline product with thione-iodonium
three-center halogen bond and triiodide anion bound with two iodine molecules by the typical halogen bonds. At the level of a
theoretical study of electron density and its gradients, the similarity of electronic properties of the central iodine atom in bridged
moiety [S−I−S]+ and in triiodide anion [I−I−I]− has been illustrated. The experimental and theoretical Raman spectra of iodonium
salt are discussed: the assignment of the bands corresponding to the iodonium bridged fragment vibrations has been made on the
basis of calculated ab initio data.