1. ETH Zürich, Department of Chemistry and Applied Biosciences, Vladimir Prelog Weg. 1-5, CH-8093 Zürich, Switzerland
2. ICGM, Université Montpellier, CNRS, ENSCM, 34095 Montpellier, France
3. Department of Chemistry, University of California, Berkeley, California 94720, United States
4. Hylleraas Centre for Quantum Molecular Sciences, Department of Chemistry, University of Oslo, P.O.
Box 1033, Blindern, 0315 Oslo, Norway