1. Department of Inorganic Chemistry, Faculty of Science, Charles University, Hlavova 8, 128 40 Prague 2, Czech Republic
2. Department of Chemistry, Masaryk University, Kotlářská 2, 611 37 Brno, Czech Republic
3. Central European Institute of Technology (CEITEC), Masaryk University, Kamenice 5, 625 00 Brno, Czech Republic