1. Department of General Chemistry (ALGC) Vrije Universiteit Brussel (VUB) Pleinlaan 2 1050 Elsene Brussels Belgium
2. Department of Electrical Energy, Metals Mechanical Constructions and Systems Ghent University Technologiepark 46 9052 Zwijnaarde Belgium
3. Center for Molecular Modeling Ghent University Technologiepark 46 9052 Zwijnaarde Belgium
4. Department of Chemistry and Chemical Biology McMaster University Hamilton Ontario L8S 4M1 Canada
5. Inorganic Chemistry and Catalysis Group Debye Institute for Nanomaterials Science Utrecht University Universiteitsweg 99 3584 CG Utrecht The Netherlands