1. Department of Chemistry, American University, Washington, D.C. 20016, National Institute of Standards and Technology, Gaithersburg, Maryland 20899, University of Dayton Research Institute, Dayton, Ohio 45469, Office of Basic Energy Sciences, Office of Science, U.S. Department of Energy, Federal Aviation Administration, Atlantic City International Airport, New Jersey 08405, Air Force Office of Scientific Research, Arlington, Virginia 22203, and Chemistry Department, U.S. Naval Academy, Annapolis, Maryland...