Concurrent ion-molecule reactions. Part 5.—Reactions in mixtures of methyl chloride with deuterium and tetradeuteromethane
Abstract
The concurrent ion-molecule reactions in mixtures of CH3Cl with D2 and CD4 have been studied by the ratio plot method. The following reactions have been detected and the cross-sections measured at 10.5 V cm–1 repeller field strength. CH3Cl++ CH3Cl → CH4Cl ++ CH2Cl, CH2Cl + CH3Cl → CH4Cl++ CHCl, CD+4+ CH3Cl → CD4H++ CH2Cl, CH3Cl++ CD4→ CH3ClD++ CD3, CD+4+ CH3Cl → CH3ClD++ CD3, D+2+ CH3Cl → D2H++ CH2Cl, D+2+ CH3Cl → CH3ClD++ D. Rate constants for the self-reactions in methyl chloride have been measured both at 10.5 V cm–1 repeller field and at thermal ion energies. These results have been compared with those reported for other mixtures and with the theoretical results calculated on the basis of the ion-induced dipole model.