1. School of Mathematics, Statistics & Physics, Newcastle University, Newcastle upon Tyne, NE1 7RU, UK
2. Molecular Photonics Laboratory, Chemistry-School of Natural & Environmental Sciences, Newcastle University, Newcastle upon Tyne, NE1 7RU, UK
3. Crystallography Laboratory, Chemistry-School of Natural & Environmental Sciences, Newcastle University, Newcastle upon Tyne, NE1 7RU, UK
4. Faculty of Engineering and Natural Sciences, Tampere University, Tampere, Finland
5. Central Laser Facility, Rutherford Appleton Laboratory, Harwell, Oxford, OX11 0QX, UK