1. University of Virginia; Department of Chemistry; McCormick Road Charlottesville VA 22904-4319 USA
2. Rollins College; Department of Chemistry; 1000 Holt Avenue Winter Park FL 32789 USA
3. University of North Texas; Center for Advanced Scientific Computing and Modeling (CASCaM), Department of Chemistry; 1155 Union Circle, #305070 Denton TX 76203-5017 USA