1. School of Chemistry and Photon Science
Institute, The University of Manchester, Manchester M13 9PL, United Kingdom
2. WestCHEM, School of Chemistry, University of Glasgow, Glasgow G12 8QQ, United Kingdom
3. Laboratoire National des Champs Magnétiques Intenses, 25, rue des
Martyrs, B.P. 166, 38042 Grenoble Cedex, France