1. Department of Chemistry, University College London, 20 Gordon Street, London WC1H 0AJ, United Kingdom
2. Atomic Weapons Establishment (AWE) Plc, Aldermaston, Reading RG7 4PR, United Kingdom
3. Oak Ridge National Laboratory, One Bethel Valley Road, Oak Ridge, Tennessee 37831, USA
4. Diamond Light Source Ltd., Diamond House, Harwell Science and Innovation Campus, Didcot, Oxfordshire OX11 0DE, United Kingdom
5. Thomas Young Centre, University College London, Gower Street, London WC1E 6BT, United Kingdom
6. School of Chemistry, Cardiff University, Main Building, Park Place, Cardiff CF1D 3AT, United Kingdom