1. Department of Chemistry and Biochemistry, Florida State University, Tallahassee, Florida 32306-4390, United States
2. Nonlinear Physical Chemistry Unit, Service de Chimie Physique et Biologie Théorique, Faculté des Sciences, Université Libre de Bruxelles (ULB), CP 231, 1050 Brussels, Belgium
3. UK Centre for Astrobiology, School of Physics and Astronomy, University of Edinburgh, James Clerk
Maxwell Building, Peter Guthrie Tait Road, Edinburgh EH9 3FD, United Kingdom
4. School of GeoSciences, Grant Institute, University of Edinburgh, Edinburgh EH9 3FE, United Kingdom