1. Department of Chemistry, University of Washington
, Box 351700, Seattle, Washington 98195-1700, United States
2. Department of Chemistry and Center for Advanced Scientific Computing and Modeling (CASCaM), University of North Texas
, 1155 Union Circle, #305070, Denton, Texas 76203-5017, United States
3. Department of Chemistry and Biochemistry, Stephen F. Austin State University
, P.O. Box 13006, SFA Station, Nacogdoches, Texas 75962-3006, United States
4. Department of Chemistry, University of Wisconsin—Madison
, Madison, Wisconsin 53719, United States
5. Department of Chemistry, University of Pennsylvania
, Philadelphia, Pennsylvania 19104, United States