1. Institute of Inorganic Chemistry
2. University of Regensburg
3. 93053 Regensburg
4. Germany
5. Experimental Physics VI
6. Center for Electronic Correlations and Magnetism
7. Institute of Physics
8. University of Augsburg
9. 86135 Augsburg
10. Department of Chemistry
11. Lomonosov Moscow State University
12. 119991 Moscow
13. Russia
14. Kurnakov Institute of General and Inorganic Chemistry RAS