1. Laboratory of Organic Chemistry, ETH Zürich, 8093 Zürich, Switzerland
2. Institute of Physical and Theoretical Chemistry, TU Braunschweig, 38106 Braunschweig, Germany
3. Department of Biochemistry, University of Zürich, 8057 Zürich, Switzerland
4. Université Grenoble AlpesCNRS, CEA, IRIG, Laboratoire de Chimie et Biologie des Métaux, 17 Rue des Martyrs, Grenoble F-38054 Cedex, France
5. Institute for Molecular Physical Science, ETH Zürich, 8093 Zürich, Switzerland