1. Inorganic Chemistry Department of Chemistry and Pharmacy University of Erlangen-Nuremberg Egerlandstr. 1 91058 Erlangen Germany
2. Central Institute for Scientific Computing (CISC) University of Erlangen-Nuremberg Martensstr. 5a 91058 Erlangen Germany
3. Computer Chemistry Center Department of Chemistry and Pharmacy University of Erlangen-Nuremberg Nägelsbachstr. 25 91052 Erlangen Germany
4. Department of Chemistry Faculty of Science University of Kragujevac Radoja Domanovića 12, P. O. Box 60 34000 Kragujevac Serbia
5. Lothar-von-Faber-Schule Staatliche Fachoberschule Nuremberg Nuremberg Germany
6. Faculty of Chemistry Nicolaus Copernicus University Gagarina 7 87-100 Toruń Poland
7. Faculty of Chemistry Jagiellonian University, Kraków Gronostajowa 2 30-087 Krakow Poland