1. Department of Chemistry, University of Utah, Salt Lake City, Utah 84112, Department of Aerospace and Mechanical Engineering, University of Southern California, Los Angeles, California 90089, TDA Research, Inc., 12345 W. 52nd Avenue, Wheat Ridge, Colorado 80033, Reaction Systems, LLC, 19039 E. Plaza Drive, 290, Parker, Colorado 80138, and Air Force Research Laboratory, Mail Stop PRAS, 1950 Fifth Street, WPAFB, Ohio 45433