1. Department of Physics, Umeå University, Umeå, SE-901 87, Sweden
2. Institute of Resource Ecology, Helmholtz Zentrum Dresden Rossendorf, Bautzner Landstrasse 400, 01328, Dresden, Germany
3. The Rossendorf Beamline, European Synchrotron Radiation Facility, 71 Avenue des Martyrs, 38043 Grenoble, France
4. Theoretische Chemie, Technische Universität Dresden, 01062, Dresden, Germany