1. Department of Chemistry, University of Washington, Seattle, Washington 98195, Institute of Chemical Kinetics and Combustion, Novosibirsk State University, Novosibirsk, 630090, Russia, Department of Chemistry, The Ohio State University, Columbus, Ohio 43210, Department of Chemistry, University of San Francisco, 2130 Fulton Street, San Francisco, California 94117, and Department of Chemistry, California State University, 9001 Stockdale Highway, Bakersfield, California 93311