1. Quantum Chemistry Laboratory, Division of Innovations, National Research Centre “Kurchatov Institute” B.P. Konstantinov Petersburg Nuclear Physics Institute; Gatchina, Leningrad district 188300 Russia
2. Department of Physics; Saint-Petersburg State University; Petrodvoretz Saint-Petersburg 198504 Russia
3. Chemistry Department; M. Lomonosov Moscow State University; 1-3 Vorob'evy Gory Moscow 119991 Russia