1. Department of Physical and Theoretical Chemistry, Faculty of Natural Sciences, Comenius University, Mlynská Dolina, SK-84215 Bratislava, Slovakia
2. Slovak Academy of Sciences, Institute of Inorganic Chemistry, Dubravska cesta 9, SK-84236 Bratislava, Slovakia
3. Fakultät für Physik and Center for Computational Materials Science, Universität Wien, Sensengasse 8/12, Wien 1090, Austria
4. Institute for Soil Research, University of Natural Resources and Life Sciences, Peter-Jordan-Strasse 82, A-1190 Vienna, Austria
5. Équipe de Modélisation Quantique et Cristallographique, CRM2, Institut Jean Barriol, UMR 7036, CNRS—Nancy-Université, F-54506 Vandoeuvre-lès-Nancy, France
6. Universität Wien, Wien 1090, Austria