1. Contribution from the Department of Chemistry, Johns Hopkins University, 3400 North Charles Street, Baltimore, Maryland 21218, Department of Chemistry, Edinboro University of Pennsylvania, Edinboro, Pennsylvania 16444, Department of Chemistry and Biochemistry, Long Island University, 1 University Plaza, Brooklyn, New York 11201, Department of Chemistry, Towson University, 8000 York Road, Towson, Maryland 21252, and Department of Chemistry, The Ohio State University, 100 West 18th Avenue, Columbus, Ohio...