1. N.S. Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences, Moscow 119991, Russia
2. Department of Physical Chemistry and Macromolecular Compounds, Chemical-Pharmaceutical Faculty, I.N. Ulianov Chuvash State University, Cheboksary 428015, Russia
3. International Tomography Center, Siberian Branch of the Russian Academy of Sciences, Novosibirsk 630090, Russia