1. Université Montpellier 2, Laboratoire Charles Coulomb (UMR CNRS
5521), 34095 Montpellier Cedex 5, France
2. Research Center in Physics of
Matter and Radiation (PMR), University of Namur-FUNDP, Rue de Bruxelles 61, 5000 Namur, Belgium
3. Institut Charles Gerhardt Montpellier, UMR5253 CNRS-UM2-ENSCM-UM1, C2M,
UMII, CC1504, Place E. Bataillon, 34095 Montpellier Cedex 5, France
4. Institut Max von Laue-Paul Langevin, 6 rue Jules Horowitz, BP 156, 38042
Grenoble, Cedex 9, France
5. Merkert Chemistry Center, Department
of Chemistry, Boston College, Chestnut
Hill, Massachusetts, United States