1. Department of Chemistry and Pharmacy & Interdisciplinary Center for Molecular Materials, Friedrich-Alexander-Universität Erlangen-Nürnberg, Egerlandstrasse 3, Erlangen 91058, Germany
2. Department of Chemistry, Durham University, Durham DH1 3LE, United Kingdom
3. Leibniz Institute of Surface Engineering (IOM), Permoserstrasse 15, Leipzig 04318, Germany
4. Computer Chemistry Center, Department of Chemistry and Pharmacy & Interdisciplinary Center for Molecular Materials, Friedrich-Alexander-Universität Erlangen-Nürnberg, Egerlandstrasse 3, Erlangen 91052, Germany