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DOI: 10.1039/A903225H (Paper) Reference Section for: J. Chem. Soc., Dalton Trans., 1999, 3087-3093

Extended multidecker sandwich architecture of Cs+–18-crown-6 complexes stabilized in the environment of novel large iodocuprate(I) clusters obtained from zerovalent copper

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Konstantin V. Domasevitch, Julia A. Rusanova, Olga Yu. Vassilyeva, Vladimir N. Kokozay, Philip J. Squattrito, Joachim Sieler and Paul R. Raithby

Abstract

The interaction of zerovalent copper with a proton-donating agent (NH4I) in acetonitrile solutions of CsX (X = Cl or I) and 18-crown-6 (18c6), in air, resulted in the formation of the novel mixed-metal complexes [Cs(18c6)2][Cu5I6(MeCN)2] 1, [Cs2(18c6)3][Cu8I10(MeCN)2] 2 and [{Cs(18c6)}6Cu4I7][Cs3(18c6)3][Cu7I10][Cu13I14]I2 3. The main structural feature of the compounds is the multidecker sandwich Cs+–18c6 cations and finite iodocuprate(I) anions combined to form ionic lattices. It is proposed that the Cu+ oxidation state is stabilized in the presence of the Cs+–18c6 moieties in acetonitrile, and the overall formation of the solid phase is a template process of mutual stabilization of Cs+ as bulky [Csn(18c6)m]n+ cations and Cu+ as iodocuprate anions.

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