Affiliation: | 1. School of Chemistry, University of Nottingham, University Park, Nottingham NG7 2RD (UK), Fax: (+44)?115‐951‐3563;2. Diamond Light Source, Harwell Science and Innovation Campus, Didcot, Oxfordshire OX11 0DE (UK);3. Chemical and Environmental Sciences Laboratory, General Motors Corporation, Warren, MI 48090 (USA) |