1. Faculty of Chemistry (Organic Chemistry) ZMB and Center for Nanointegration (CENIDE) University of Duisburg-Essen Universitätsstrasse 7 45117 Essen Germany
2. Center for Soft Nanoscience (SoN) Westfälische Wilhelms-Universität Münster Busso-Peus-Str. 10 48149 Münster Germany
3. Faculty of Chemistry (Inorganic Chemistry) University of Duisburg-Essen Universitätsstrasse 7 45117 Essen Germany
4. Organisch-Chemisches Institut Westfälische Wilhelms-Universität Corrensstraße 36 48149 Münster Germany
5. Fritz Haber Center for Molecular Dynamics Research Institute of Chemistry The Hebrew University of Jerusalem 9190401 Jerusalem Israel
6. Present address: Condensed Matter Theory Group, Laboratory for Theoretical and Computational Physics Paul Scherrer Institute CH-5232 Villigen PSI Switzerland
7. Institute of Chemical Science and Technologies “G. Natta” (SCITEC) National Research Council (CNR) Via G. Fantoli 16/15 20138 Milan Italy