Institution: | a Department of Chemistry, University of Arizona, Tucson, AZ 85721, USA b Université Libre de Bruxelles, Service de Chimie quantique et Photophysique, CP 160/09, Av. F. D. Roosevelt 50, Bruxelles, Belgium c Department of Chemistry, University of Waterloo, Waterloo, Ont., Canada N2L 3G1 d Department of Chemistry, University of York, Heslington, York YO10 5DD, UK |