1. Institute of General Inorganic and Theoretical Chemistry Leopold-Franzens-Universität Innsbruck Innrain 80–82 6020 Innsbruck Austria
2. Institute of Inorganic and Analytical Chemistry Westfälische Wilhelms-Universität Münster Corrensstrasse 28–30 48149 Münster Germany
3. Institute of Materials Chemistry TU Wien Getreidemarkt 9 1060 Vienna Austria