1. Department of Organic Chemistry Faculty of Chemistry University of Vienna Währinger Straße 38 1090 Vienna Austria
2. Technical University of Munich Chair of Biogenic Functional Materials Schulgasse 22 94315 Straubing Germany
3. Graz University of Technology Institute for Inorganic Chemistry Stremayergasse 9/V 8010 Graz Austria
4. Institute of Condensed Matter and Nanosciences Université catholique de Louvain (UCLouvain) Chemin des étoiles 8 1348 Louvain-la-Neuve Belgium
5. Université de Strasbourg, CNRS, ISIS 8 allée Gaspard Monge 67000 Strasbourg France