1. Institute of Inorganic Chemistry, Slovak Academy of Sciences, Dúbravská cesta 9, SK-84536 Bratislava, Slovakia
2. Hylleraas Centre for Quantum Molecular Sciences, Department of Chemistry, UiT–The Arctic University of Norway, N-9037 Tromsø, Norway
3. Department of Physical and Theoretical Chemistry, Faculty of Natural Sciences, Comenius University, Ilkovicova 6, SK-84215 Bratislava, Slovakia
4. Department of Inorganic Chemistry, Faculty of Natural Sciences, Comenius University, Ilkovicova 6, SK-84215 Bratislava, Slovakia