1. Department of Chemistry; The University of Western Ontario; 1151 Richmond Street London Ontario N6A 5B7 Canada
2. Crystallography group, Department of Geosciences; University of Bremen; Klagenfurter Straße 2-4 D-28359 Bremen Germany
3. MAPEX Center for Materials and Processes; University of Bremen; D-28359 Bremen Germany
4. Centre of Interdisciplinary Magnetic Resonance; National High Magnetic Field Laboratory; 1800 East Paul Dirac Drive Tallahassee FL 32310 USA