1. Goethe University Frankfurt
2. Institute for Organic Chemistry and Chemical Biology
3. 60438 Frankfurt
4. Germany
5. Technical University Braunschweig
6. Institute for Physical and Theoretical Chemistry
7. 38106 Braunschweig
8. Interdisciplinary Center for Scientific Computing (IWR)
9. Theoretical and Computational Chemistry
10. 69120 Heidelberg