1. Department of Inorganic Chemistry, Institute of Chemistry, P. J. Šafárik University in Košice, Košice, Slovakia
2. Department of Chemistry, Biochemistry and Biophysics, University of Veterinary Medicine and Pharmacy in Košice, Košice, Slovakia
3. Institute of Physics, P. J. Šafárik University in Košice, Košice, Slovakia
4. Faculty of Natural Sciences, Department of Physical and Theoretical Chemistry, Comenius University, Bratislava, Slovakia
5. Computing Center of the Slovak Academy of Sciences, Bratislava, Slovakia
6. Faculty of Natural Sciences, Department of Inorganic Chemistry, Comenius University, Bratislava, Slovakia
7. Institute of Inorganic Chemistry, Slovak Academy of Sciences, Bratislava, Slovakia