1. Department of Inorganic
Chemistry, Leipzig University, Johannisallee 29, 04103 Leipzig, Germany
2. Institut
für Anorganische und Analytische Chemie, Universität Münster, Corrensstrasse 30, 48149 Münster, Germany
3. Institut Laue-Langevin, 71 Avenue
des Martyrs, 38000 Grenoble, France
4. Australian Synchrotron, 800 Blackburn Road, Clayton, Melbourne, Australia