1. Physical Chemistry II Department of Chemistry and Biochemistry Ruhr-Universität Bochum Bochum Germany
2. Cherry L. Emerson Center for Scientific Computations and Department of Chemistry Emory University Atlanta Georgia 30322 USA
3. Radboud University Institute for Molecules and Materials, FELIX Laboratory 6525 ED Nijmegen The Netherlands
4. Institut Charles Gerhardt, UMR 5253 CNRS-UM-ENSCM Université de Montpellier Place Eugène Bataillon 34090 Montpellier France