1. Computational Chemistry Research Group
2. Ton Duc Thang University
3. Ho Chi Minh City
4. Vietnam
5. Faculty of Applied Sciences
6. Theoretical Chemistry
7. Zernike Institute for Advanced Materials and Stratingh Institute for Chemistry
8. University of Groningen
9. NL-9747 AG Groningen
10. The Netherlands
11. Department of Chemistry
12. KU Leuven
13. B-3001 Leuven
14. Belgium