1. Department of Chemistry and Pharmacy Institute of Theoretical Chemistry Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Computer Chemistry Center, Nägelsbachstrasse 25a 91052 Erlangen Germany
2. Department of Chemistry and Pharmacy Organic Chemistry Chair I and Interdisciplinary Center for Molecular Materials (ICMM) Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Nikolaus-Fiebiger-Straße 10 91058 Erlangen Germany