Abstract
Abstract The γ-radiolysis of liquid nitrogen containing ethylene and propylene has been investigated. As the nitrogenous products, hydrogen cyanide (0.18) and acetonitrile (0.04) were observed in the case of ethylene, and acetonitrile (0.12), in the case of propylene. The values in the parentheses are the G-values estimated on the basis of the energy absorbed by liquid nitrogen. In order to elucidate the mechanism of the reaction between nitrogen atoms and propylene, the mixture of C3H6 and C3D6 and the CD3CH=CHD compound have also been used as solutes. The acetonitrile obtained was mainly CH3CN and CD3CN in the former case, and CD3CN in the latter. These results suggest that a nitrogen atom produced in the system attacks the carbon atom in the middle of propylene and produces acetonitrile, leaving a methyl radical, the carbon atom in which was originally attached to the double bond.
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