The CIDNP effect in plastic crystals |
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| Authors: | A. A. Obynochny A. G. Maryasov P. A. Purtov K. M. Salikhov |
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| Affiliation: | 1. Institute of Chemical Kinetics and Combustion, Novosibirsk, Russian Federation
2. Kazan Physical-Technical Institute, Kazan, Russian Federation
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| Abstract: | The CIDNP effects in the photolysis reactions of some aldehydes and ketones (including linear, aromatic and cyclic) in plastic crystals of cyclohexane have been discovered and studied. In going from liquid to solid solutions, the change of polarization sign is observed for some substances investigated. The CIDNP effect for a simple model for a relative motion of atoms of radicals possessing spin density (translational diffusion in a restricted volume) has been calculated. The results observed are interpreted in the framework of the radical pair mechanism of CIDNP effect formation. |
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