Vibrational Energy Transfer and Pyrolysis of Nitromethane by the Variable Encounter Method.
WASHINGTON UNIV SEATTLE DEPT OF CHEMISTRY
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The pyrolysis of nitromethane has been studied by the Variable Encounter Method VEM at temperatures from 816 K to 1092 K with two reactors of differing geometry having fused silica surfaces. The probability of reaction per collision with the reactor surface was measured. The down energy transition jump size, delta E, was determined. It decreased with increasing wall temperature. A comparison is made of delta E with previous results reported to date for other substrate molecules. Nitromethane is one of the more efficient energy transfer agents. However, in addition to the size vibrational eigenstate density and the polarity of the molecules, the nature of the hot surface seems also to play a role. Author
- Atomic and Molecular Physics and Spectroscopy