1. Solid State and Structural Chemistry Unit Indian Institute of Science Sir C. V. Raman Road 560012 Bangalore India
2. Department of Inorganic Chemistry Faculty of Science Palacký University CZ-771 46 Olomouc Czech Republic
3. N. S. Kurnakov Institute of General and Inorganic Chemistry of the Russian Academy of Sciences Leninsky Prosp. 31 119991 Moscow Russia
4. International Tomography Center of the Siberian Branch of the Russian Academy of Sciences Institutskaya Str. 3a 630090 Novosibirsk Russia
5. Novosibirsk State University Pirogova Str. 1 630090 Novosibirsk Russia