1. University of Pardubice; Studentská 95 53210 Pardubice 2 Czech Republic
2. Institute of Inorganic Chemistry; Academy of Sciences of the Czech Republic, v.v.i.; 25068 Řež u Prahy Czech Republic
3. Institute of Organic Chemistry and Biochemistry; Academy of Sciences of the Czech Republic, v.v.i.; Flemingovo nám. 2 16610 Prague 6 Czech Republic
4. Institute of Inorganic Chemistry, Faculty of Chemical and Food Technology; Slovak University of Technology; 81237 Bratislava Slovakia
5. Department of Chemistry; University of York; YO10 5DD Heslington, York UK