1. Peter A. Rock Thermochemistry Laboratory and NEAT ORU, University of California Davis, One Shields Avenue, Davis, California 95616, United States
2. Department of Chemistry, McGill University, Montreal, Quebec H3A 0B8, Canada
3. Department of Chemistry, University of Warsaw, 1 Pasteura Street, Warsaw 02-093, Poland
4. School of Molecular Sciences and Center for Materials of the Universe, Arizona State University, Tempe, Arizona 85287, United States