1. Department
of Chemistry and Physics, Mount Saint Vincent University, Halifax, Nova Scotia B3M 2J6, Canada
2. Department
of Chemistry, Dalhousie University, Halifax, Nova Scotia B3H 4J3, Canada
3. Department
of Chemistry, Saint Mary’s University, Halifax, Nova Scotia B3H 3C3, Canada
4. Département
de Chimie, Université Laval, Québec, Québec G1V 0A6, Canada
5. Hunter
College and the Graduate School, City University of New York, New York, New York 10065, United States