1. Energy Safety Research Institute Swansea University Fabian Way Swansea SA1 8EN UK
2. Institute of Inorganic Chemistry Christian-Albrechts-University Max-Eyth-Str. 2 24118 Kiel Germany
3. Department of Chemistry, Biology and Biotechnologies University of Perugia Via Elce di Sotto n. 8 06123 Perugia Italy
4. Deutsches Elektronen-Synchrotron DESY Notkestraße 85 22607 Hamburg Germany
5. Department of Chemistry and Industrial Chemistry University of Pisa Via Giuseppe Moruzzi 13 56124 Pisa Italy