1. School of Chemistry, The University of Birmingham, Edgbaston, Birmingham B15 2TT, U.K., School of Chemistry, University of Bristol, Cantock's Close, Bristol BS8 1TS, U.K., Department of Chemistry, University of Manchester, Manchester M13 9PL, U.K., Department of Chemistry, The Open University, Walton Hall, Milton Keynes MK7 6AA, U.K., Department of Chemistry, The University of Edinburgh, Kings Buildings, West Mains Road, Edinburgh EH9 3JJ, U.K., and Zeneca Specialties Research Centre, Blackley,...