1. Energetic Materials Research, Department of Chemistry, University of Munich (LMU), Butenandtstrasse 5-13,
D-81377, Germany
2. Department
of Chemistry, University of British Columbia, 2036 Main Mall, Vancouver, British Columbia V6T 1Z1, Canada
3. School of Biomedical, Biomolecular
and Chemical Sciences, The University of Western Australia, Crawley, WA 6009, Australia