M. S. Chernov'yants, I. V. Burykin, Z. Starikova
Feb 17, 2012
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Journal
Russian Journal of Inorganic Chemistry
Abstract
A new salt diphenyliodonium triiodide (C12H10I4) was obtained. The [C12H10I+][I3−] compound was isolated as red brown crystals and studied by single-crystal X-ray diffraction. The structure of diphenyliodonium triiodide consists of separate, virtually linear I3− anions and C12H10I+ cations. Strong intermolecular anion-anion (I3−…I3−) and anion-cation (I3−…I+) interactions in the crystal structure leads to a change in the symmetry of triiodide ions. The complex formation in the system organic cation iodide-elementary iodine was studied by spectrophotometry. The complex composition was found (1: 1), and the stability constant of the complex in chloroform was determined (loggB = 3.91).