1. Department
of Chemistry, University of Houston, Houston, Texas 77204-5003, United States
2. Department
of Chemistry, United States Naval Academy, 572M Holloway Road, Annapolis, Maryland 21402, United States
3. ExxonMobil Chemical
Company, 5200 Bayway Drive, Baytown, Texas 77520, United States
4. Department
of Chemistry, University of North Carolina at Chapel Hill, CB #3290, Chapel Hill, North Carolina 27599-3290, United States