1. Department of Chemical and Petroleum Engineering, University of Pittsburgh, Pittsburgh, Pennsylvania 15261, United States
2. Formerly Chemical Engineering Department, University of Massachusetts Amherst,618 North Pleasant Street, Amherst, Massachusetts 01003, United States
3. Department of Chemical and Biomolecular Engineering, North Carolina State University, Raleigh, North Carolina 27695, United States
4. Gaussian, Inc., Wallingford, Connecticut 06492, United States
5. Department of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
6. Institute for Computational Molecular Science, Temple University, Philadelphia, Pennsylvania 19122, United States
7. Formerly Hall-Atwater Laboratories of Chemistry, Wesleyan University, Middletown, Connecticut 06459, United States