1. Faculty of Chemistry and Food Chemistry, Technische Universität Dresden, 01062 Dresden, Germany
2. Max Planck Institute for Chemical Physics of Solids, Nöthnitzer Str. 40, 01187 Dresden, Germany
3. Mulliken Center for Theoretical Chemistry, Clausius Institute for Physical and Theoretical Chemistry, University of Bonn, Beringstr. 4+6, 53115 Bonn, Germany
4. Department of Physical Chemistry, University of Debrecen, Egyetem tér 1, 4032 Debrecen, Hungary