Studies by the electron cyclotron resonance (ECR) technique: VIII. Interaction of low-energy electrons with the chlorine-containing molecules CCl4, CHCl3, CH2Cl2, CnH2n+1 Cl(n = 1 to 4). C2H3Cl,COCl2, NOCl,CNCl and Cl2 |
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Authors: | E Schultes AA Christodoulides RN Schindler |
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Institution: | Institut für Physikalische Chemie der Kernjorschungsanlage Julich Gmblt, 517 Julich, FRG |
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Abstract: | Rate constants, in some cases also activation energies and energy dependences, were measured for the capture of low-energy electrons by the molecules CCl4, CHCl3, CH2Cl2, CnH2n+1 Cl(n = 1 to 4), C2H3Cl, COCl2, NOCl, CNCl and Cl2 Potential energy curves were calculated for a number of negative ions.For ineffective scavengers the possibility of contributing scattering effects on the observed changes in signal intensity upon electron energy variation is indicated. In CCl4 the observed energy dependence suggests the existence of intermediate negative ions. For Cl2 good agreement was obtained between the calculated curves based on experimental data for electron capture and a recent self-consistent field analysis. |
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