1. Institute of Physical and Theoretical Chemistry
2. University of Regensburg
3. 93040 Regensburg
4. Germany
5. Institute of Inorganic Chemistry
6. Institute of Organic Chemistry
7. Institut Laue-Langevin
8. Grenoble Cedex 9
9. France
10. Institut de Chimie Séparative de Marcoule (ICSM)
11. UMR 5257 (CEA, CNRS, UM, ENSCM)
12. 30207 Bagnols-sur-Cèze