1. Department of Physics
2. Chemistry and Pharmacy
3. University of Southern Denmark
4. Odense 5420 M, Denmark
5. Department of Theoretical Chemistry
6. Lund University
7. Chemical Centre
8. S-221 00 Lund, Sweden
9. Laboratoire de Chimie et Physique Quantiques (UMR 5626)
10. CNRS/Université Toulouse III – Paul Sabatier
11. F-31062 Toulouse cedex, France