1. Institute of Inorganic Chemistry, Slovak Academy of Sciences, Dúbravská cesta 9, 845 36 Bratislava 45, Slovak Republic
2. Department of Inorganic Chemistry, Faculty
of Natural Sciences, Comenius University, Mlynská dolina, 842 15 Bratislava, Slovak Republic
3. Faculty of Education, J. Selye University, Bratislavská cesta 3322, 945
01 Komárno, Slovak Republic
4. J. Heyrovský Institute of Physical Chemistry, Academy of Sciences of the Czech Republic, v.v.i., Dolejškova 3, 182 23 Praha 8, Czech Republic
5. Department of Inorganic Chemistry, Faculty of Natural Sciences, Masaryk University, Kotlářská 2, 611
37 Brno, Czech Republic