1. Institut für Anorganische Chemie der Rheinischen Friedrich-Wilhelms-Universität Bonn
2. 53121 Bonn
3. Germany
4. Department of Inorganic and Analytical Chemistry and MTA-BME Computation Driven Chemistry Research Group
5. Budapest University of Technology and Economics
6. 1111 Budapest
7. Hungary
8. Department of chemistry and biochemistry
9. University of Lethbridge
10. Lethbridge
11. Canada