1. Department of General and Inorganic Chemistry; Faculty of Chemical Technology; University of Pardubice; Studentská 95 53210 Pardubice Czech Republic
2. Eenheid Algemene Chemie (ALGC); Member of the QCMM VUB-UGent Alliance Research Group; Vrije Universiteit Brussel; Pleinlaan 2 1050 Brussels Belgium