Chemical Kinetics and Atmospheric Modification
Abstract
Electron attachment rate constants were obtained and negative ion product analysis was performed over the temperature between 300 and 1200 degrees range for a series of seventeen halomethane molecules that undergo dissociative electron attachment. The reactant molecules include CH3Cl, CH3Br,CH3I,CF3Cl, CF3Br,CF3I,CF2Cl2,CFC13,CC14,CF3H,CF2H2,CH3F,CF2HC1, CHFC12,CH2Br2,CC12H2, and CC13H. Positive activation energies were observed for most of the reactions. The results of molecular structure calculations for both the neutral and anionic species suggest that the magnitude of the rate constants and of the temperature coefficients for dissociative electron attachment in these systems can be understood in terms of the geometrical reorganization associated with negative ion formation. Flow tube, Chemical kinetics, Electron cyclotron resonance, Electron attachment, Photoionization mass spectrometry, Free radical reactions.
Document Details
- Document Type
- Technical Report
- Publication Date
- May 01, 1994
- Accession Number
- ADA283304
Entities
People
- David L. Mcfadden
Organizations
- Boston College