1. CNRS; LCC (Laboratoire de Chimie de Coordination); 205 route de Narbonne, 31077 Toulouse (France) and Université de Toulouse, UPS, INPT 31077 Toulouse France
2. Max-Planck-Institute for Chemical Energy Conversion; Stiftstrasse 34-36 Mühlheim an der Ruhr 45470 Germany
3. Department of Chemistry; University of California, Berkeley; Berkeley California 94720 USA
4. Institute of General and Inorganic Chemistry; Bulgarian Academy of Sciences; 1113 Sofia Bulgaria