Crystal and molecular structure of diphenyliodonium triiodide |
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| Authors: | M S Chernov’yants I V Burykin Z A Starikova A A Rostovskaya |
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| Institution: | 1.Southern Federal University,Rostov-on-Don,Russia;2.Nesmeyanov Institute of Organoelement Compounds,Russian Academy of Sciences,Moscow,Russia |
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| 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). |
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