Affiliation: | 1. School of Chemistry and Photon Science Institute, The University of Manchester, Oxford Road, Manchester, M13 9PL (UK);2. Laboratoire National des Champs Magnétiques Intenses, UPR 3228 CNRS, UJF‐INSA‐UPS, BP 166, 38042 Grenoble Cedex 9 (France) |