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Crystal and Molecular Structures of N-Ethylquinolinium Triiodide |
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| Authors: | Kazheva O N Aleksandrov G G D'yachenko O A Chernov'yants M S Lykova E O Tolpygin I E Raskita I M |
| Institution: | (1) Institute of Problems of Chemical Physics, Russian Academy of Sciences, Chernogolovka, Moscow oblast, 142432, Russia;(2) Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences, Leninskii pr. 31, Moscow, 119991, Russia;(3) Rostov State University, pr. Stachki 194, Rostov-on-Don, 344104, Russia |
| Abstract: | Complexation in the N-ethylquinolinium iodide–molecular iodine system in a chloroform solution is studied. The stability constant of N-ethylquinolinium triiodide (I) is determined by spectrophotometric methods of stoichiometric dilution using the average iodine number function. Compound I with the C9H7NC2H5]I3 composition is studied by X-ray diffraction analysis. The crystal structure is formed by alternating layers of cations arranged by the  ladder type and triiodide anions with equalized interatomic distances. The triiodide anions are linked to form chains through strongly shortened intermolecular contacts. |
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