1. ERC, Inc., Edwards Air Force Base, California 93524, United States
2. Propellants Branch, Propulsion Directorate, Air Force Research Laboratory, AFRL/RZSP, Edwards Air Force Base, California 93524, United States
3. Departments of Chemistry and Physics, University of California, Berkeley, California 94720, United States
4. Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States