1. Laboratory of Computational Chemistry and Biochemistry, Institut des Sciences et Ingénierie Chimiques, Ecole Polytechnique Fédérale de Lausanne (EPFL), CH-1015 Lausanne, Switzerland
2. Department of Chemistry, University of Basel, Klingelbergstrasse 80, CH-4056 Basel, Switzerland
3. Physics Department, ETH Zurich, CH-8093 Zurich, Switzerland
4. Laboratory of Theoretical Physical Chemistry, Institut des Sciences et Ingénierie Chimiques, Ecole Polytechnique Fédérale de Lausanne (EPFL), CH-1015 Lausanne, Switzerland
5. Laboratoire de Spectroscopie Ultrarapide (LSU) and Lausanne Centre for Ultrafast Science (LACUS), Institut des Sciences et Ingénierie Chimiques, Ecole Polytechnique Fédérale de Lausanne (EPFL), CH-1015 Lausanne, Switzerland
6. Department of Chemistry, University of Zurich, Zürich, Switzerland
7. Laboratorium für Physikalische Chemie, ETH Zürich, CH-8093 Zürich, Switzerland