1. a Department of Inorganic and Coordination Chemistry , Institute of Chemistry, University of Silesia , 9th Szkolna St., 40-006 Katowice, Poland
2. b Department of X-ray Crystallography and Crystal Chemistry , Institute of General and Ecological Chemistry, Lodz University of Technology , 116 Żeromski St., 90-924 Łódź, Poland
3. c Institute of Physics, University of Silesia , 4th Uniwersytecka St., 40-006 Katowice