1. Department of Chemistry, Moscow State University, Leninskie Gory 1, 119991 Moscow, Russia
2. Department of Crystallography, St. Petersburg State University, 199034 St. Petersburg, Russia
3. Institute of Inorganic Chemistry, University of Regensburg, 93053 Regensburg, Germany
4. Siberian Federal University, Svobodny Prosp. 79/10, Krasnoyarsk 660041 Russia
5. Kola Science Center, Russian Academy of Sciences, Apatity, Murmansk Region 184200, Russia