1. Institute
of Physical and Theoretical Chemistry, Goethe University Frankfurt, Max-von-Laue Str. 7, 60438 Frankfurt/Main, Germany
2. Institute
of Organic Chemistry and Chemical Biology, Goethe University Frankfurt, Max-von-Laue Str. 7, 60438 Frankfurt/Main, Germany
3. Interdisciplinary
Center for Scientific Computing, Ruprecht-Karls University, Im Neuenheimer
Feld 368, 69120 Heidelberg, Germany