1. Inorganic Chemistry Laboratory, Department of Chemistry, National and Kapodistrian University of Athens, GR−157 71 Athens, Greece
2. Institute of Theoretical and Physical Chemistry, Wegelerstrasse 12, D−53115 Bonn, Germany
3. School of Chemistry and EaStChem, University of Edinburgh, West Mains Road, Edinburgh EH9 3JJ, United Kingdom
4. EMBL−Hamburg c/o Deutsches Elektronen-Synchrotron, Hamburg, Germany