1. Institute of Theoretical Chemistry
2. Jilin University
3. Changchun 130023
4. People's Republic of China
5. College of Chemistry and Chemical Engineering
6. Northeast Petroleum University
7. Daqing 163318
8. PR China
9. Dipartimento di Chimica e Tecnologie del Farmaco
10. “Sapienza” University of Rome
11. 00185 Roma
12. Italy
13. Dipartimento di Ingegneria Civile e Ambientale
14. University of Perugia and ISTM-CNR
15. 06125 Perugia