Article révisé par les pairs
|The study of solvent effect on n.m.r. spectra of 2-halogenopropanes, 1,2-dichloro- and 1,2-dibromoethanes was performed. It seems possible to conclude that some discrepancies exist between the theory based on the reaction field concept and the experimental results. Introduction of local effect appears to a possible explanation of the facts. © 1966.