1. Fakultät Angewandte Mathematik, Physik und Allgemeinwissenschaften Technische Hochschule Nürnberg Georg Simon Ohm Keßlerplatz 12 90489 Nürnberg Germany
2. University of Kragujevac Faculty of Science Department of Chemistry Radoja Domanovića 12, P. O. Box 60 34000 Kragujevac Serbia
3. Inorganic Chemistry Department of Chemistry and Pharmacy University of Erlangen-Nuremberg Egerlandstr. 1 91058 Erlangen Germany
4. Central Institute for Scientific Computing (CISC) University of Erlangen-Nuremberg Martensstr. 5a 91058 Erlangen Germany
5. Computer Chemistry Center Department of Chemistry and Pharmacy University of Erlangen-Nuremberg Nägelsbachstr. 25 91052 Erlangen Germany
6. Faculty of Chemistry Nicolaus Copernicus University in Toruń Gagarina 7 87-100 Toruń Poland