1. Department of Chemistry and Biochemistry, North Dakota State University, Fargo, North Dakota 58108, United States
2. Los Alamos High School, Los Alamos, New Mexico 87544, United States
3. Universidad Nacional de Quilmes/CONICET, Roque Saenz Peña 352, B1876BXD Bernal, Argentina
4. Department of Chemistry, University of Florida, Gainesville, Florida 32611, United States