Affiliation: | a NASA Langley Research Center, Hampton, VA, USA b Science Systems and Applications, Inc., Hampton, VA, USA c Department of Chemistry, University of Waterloo, Waterloo, Ontario, Canada N2L 3G1 d Department of Chemistry, University of York, Heslington, York YO10 5DD, UK e Institute of Astrophysics and Geophysics, University of Liège, Allée du 6 Août, 17, B-4000 Liège, Belgium |