1. Department of Chemistry and Pharmacy
2. Interdisciplinary Center for Molecular Materials (ICMM)
3. Friedrich-Alexander Universität Erlangen-Nürnberg
4. 91058 Erlangen
5. Germany
6. Institut Laue-Langevin
7. 38042 Grenoble Cedex 9
8. France
9. Institute of Inorganic Chemistry 1
10. Ulm University
11. 89081 Ulm