1. Department of Physical Chemistry, University of Debrecen, Debrecen H-4032, Hungary
2. Doctoral School of Chemistry, University of Debrecen, Debrecen H-4032, Hungary
3. Centre for Structural Science, Research Centre for Natural Sciences, Budapest H-1519, Hungary
4. Department of Inorganic and Analytical Chemistry, University of Debrecen, Debrecen H-4032, Hungary
5. Department of Chemistry, University of Antwerp, Universiteitsplein 1, Antwerpen B-2610, Belgium
6. MTA-DE Redox and Homogeneous Reaction Mechanisms Research Group, University of Debrecen, Debrecen H-4032, Hungary