1. Faculty for Chemistry and Chemical Biology
2. TU Dortmund University
3. 44227 Dortmund
4. Germany
5. Institute for Inorganic Chemistry
6. Georg-August-University Göttingen
7. 37077 Göttingen
8. Institute for Physical Chemistry
9. Institute for Inorganic Chemistry and Structural Chemistry
10. Heinrich-Heine University Düsseldorf
11. 40225 Düsseldorf