1. Department of Life Safety; Ivan Franko National University of Lviv; Doroshenka Street 41 79000 Lviv Ukraine
2. Institut für Anorganische und Analytische Chemie; Universität Münster; Corrensstrasse 30 48149 Münster Germany
3. Inorganic Chemistry Department; Ivan Franko National University of Lviv; Kyryla and Mephodiya Street 6 79005 Lviv Ukraine