1. Institute of Chemistry, Martin-Luther-University Halle-Wittenberg, 06120 Halle (Saale), Germany
2. Institute of Physical and Theoretical Chemistry, University of Regensburg, 93053 Regensburg, Germany
3. Institute of Physical Chemistry, Clausthal University of Technology, 38678 Clausthal-Zellerfeld, Germany
4. Boehringer Ingelheim Pharma GmbH & Co. KG, Innovation Unit, PDB, 88397 Biberach an der Riss, Germany