DescriptionClassical and Non-classical Interpretations of Bonding in the 2-Norbornyl Cation.jpg
English: The classical and non-classical models for bonding in the 2-norbornyl cation. The non-classical model (a) shows one three-center two-electron bond with a delocalized positive charge. The classical model, (b) describes a rapid equilibration between three distinct carbocations rather than delocalization. In 1973 Olah confirmed the validity of the non-classical model in this system.
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