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

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

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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]I 2 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.

Original languageEnglish
Pages (from-to)3087-3093
Number of pages7
JournalJournal of the Chemical Society - Dalton Transactions
Issue number17
DOIs
Publication statusPublished - 7 Sep 1999

ASJC Scopus subject areas

  • Chemistry(all)

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