1. A.E. Arbuzov Institute of Organic and Physical Chemistry
2. Kazan Scientific Centre of the Russian Academy of Sciences
3. 420088 Kazan
4. Russia
5. St. Petersburg State University
6. Center for optical and laser materials research
7. Research park of St. Petersburg State University
8. 198504 St. Petersburg
9. Institute of Chemistry
10. 198504 St Petersburg
11. Mulliken Center for Theoretical Chemistry
12. Institut für Physikalische und Theoretische Chemie der Universität Bonn
13. 53115 Bonn
14. Germany