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Chemisorption of copper(II) at zinc and cadmium dialkyldithiocarbamates: EPR and X-ray diffraction studies
Authors:A. V. Ivanov  O. V. Loseva  A. V. Gerasimenko
Affiliation:(1) Institute of Geology and Nature Management, Amur Scientific Center, Far East Branch, Russian Academy of Sciences, per. Ryolochnyi 1, Blagoveshchensk, 675000, Russia;(2) Institute of Chemistry, Far East Division, Russian Academy of Sciences, pr. Stoletiya Vladivostoka 159, Vladivostok, 690022, Russia
Abstract:Chemisorption of Cu2+ cations at zinc and cadmium dialkyldithiocarbamates was studied. According to EPR data, in the first step, the zinc and cadmium atoms are partially replaced by copper in the starting molecular structure to form heterobinuclear and heteropolynuclear complexes. In the second step, copper replaces up to 90 to 97% of the total number of the metal atoms, yielding binuclear and polynuclear copper(II) complexes. The possibility of the existence of heterobinuclear complexes in the individual state was demonstrated with [CuCd{S2CN(C2H5)2}4] as an example. Its molecular and crystal structures were determined from X-ray diffraction data.
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