1. Nikolaev Institute of Inorganic Chemistry SB RAS, 3 Lavrentiev Ave., Novosibirsk 630090, Russia
2. Department of Natural Sciences, Novosibirsk State University, 2 Pirogova St., Novosibirsk 630090, Russia
3. International Tomography Center SB RAS, 3a Institutskaya St., Novosibirsk 630090, Russia