1. Institute of Molecule and Crystal Physics
2. Subdivision of the Ufa Federal Research Centre of the Russian Academy of Sciences
3. Ufa 450075
4. Russia
5. Università di Bologna
6. Dipartimento di Chimica “G. Ciamician”
7. Bologna 40126
8. Italy
9. Moscow Institute of Physics and Technology
10. Dolgoprudny 141700
11. St. Petersburg State University
12. St. Petersburg 199034