1. Institute of Condensed Matter and Nanosciences
2. Université catholique de Louvain
3. B-1348 Louvain-la-Neuve
4. Belgium
5. Unité de Chimie Physique Théorique et Structurale
6. UNamur
7. B-5000 Namur
8. Department of Chemistry
9. Faculty of Science
10. University of Zagreb
11. HR-1000 Zagreb
12. Croatia