1. Faculty
of Chemistry, University of Warsaw, ul. Pasteura 1, 02-093 Warszawa, Poland
2. Institute
of Inorganic Chemistry, Slovak Academy of Sciences, Dubravska cesta
9, SK-84536 Bratislava, Slovak Republic
3. Department
of Inorganic Chemistry, Faculty of Natural Sciences, Comenius University, SK-84215 Bratislava, Slovakia