Volume 59, Issue 10 pp. m427-m428

Isolated pentaiodide anions in [K(18-crown-6)]I5

Ingo Pantenburg

Ingo Pantenburg

Institut für Anorganische Chemie, Universität zu Köln, Greinstraße 6, D-50939 Köln, Germany

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Ingrid Müller

Ingrid Müller

Institut für Anorganische Chemie, Universität zu Köln, Greinstraße 6, D-50939 Köln, Germany

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First published: 09 June 2004
Citations: 9
Ingo Pantenburg, e-mail: [email protected]

Abstract

(1,4,7,10,13,16-Hexaoxa­cyclo­octa­decane-κ6O)­potassium penta­iodide, [K(C12H24O6)]I5, obtained by slow evaporation of an ethanol solution of KI, 18-crown-6 and I2, contains [K(18-crown-6)]+ cations (Ci symmetry) and I5 anions (C2 symmetry), which are arranged in alternating layers parallel to (001). In contrast to the well known tendency of I5 ions to form chains and nets, the I5 units in the title compound are isolated.

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