1. Department of Chemistry and Pharmacy & Interdisciplinary Center for Molecular Materials, Friedrich-Alexander-Universität Erlangen-Nürnberg, Egerlandstr. 3, 91058 Erlangen, Germany
2. Department of Chemistry, Durham University, Durham DH1 3LE, United Kingdom
3. Department of Chemistry and Pharmacy & Interdisciplinary Center for Molecular Materials (ICMM), Computer Chemistry Center (CCC), Friedrich-Alexander-Universität Erlangen-Nürnberg, Nägelsbacherstrasse 25, 91052 Erlangen, Germany