Structure and composition of the anionic chloride complexes of copper(II) as the precursors of catalysts for C-Cl bond metathesisстатья
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Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
Аннотация:The chloride complexes of copper(II) (catalysts or catalyst precursors for various reactions of halogenated hydrocarbons) were characterized using electron, EPR, and EXAFS spectroscopy. It was found that occur as mononuclear ([CuCl4](2-)), binuclear ([Cu2Cl6](2-)), and, probably, polynuclear species in chlorobenzene solutions. The Cu-Cl bond length in [CuCl4](2-) is 2.25 +/- 0.2 Angstrom, whgich is close to the same values for crystalline tetrachlorocuprates. It was assumed that the chloride complexes of copper with counterions occur as globules in chlorobenzene.