1. Institut des Sciences Moléculaires (ISM, UMR CNRS 5255)
2. University of Bordeaux
3. 33405 Talence
4. France
5. Unité de Chimie Physique Théorique et Structurale
6. Chemistry Department
7. Namur Institute of Structured Matter
8. University of Namur
9. Belgium
10. Department of Industrial Chemistry “Toso Montanari”
11. University of Bologna
12. 40136 Bologna
13. Italy