1. Institute of Organoelement Compounds of the Russian Academy of Sciences Vavilova St., 28 119991 Moscow Russian Federation
2. Department of Physics of Polymers and Crystals, Faculty of Physics M.V. Lomonosov Moscow State University Leninskie Gory 1 119991 Moscow Russia
3. Changchun Institute of Applied Chemistry Chinese Academy of Sciences Changchun 130022 China
4. Laboratory of Quantum and Computational Chemistry, Department of Chemistry Aristotle University of Thessaloniki, GR- 54124 Thessaloniki Greece
5. Department of Physics The LNM Institute for Information Technology, Jamdoli, Jaipur 302031, India