The exceptional stability of benzene has long puzzled the organic chemists, and several more or less plausible explanations of this fact have been offered. After the first rough ideas about the electronic structure of molecules had been achieved in the first decades of this century, it became clear that the stability of benzene can be associated with the occurrence of a stable electronic configuration which is a result of the cyclic arrangement of six electrons.
KeywordsMaleic Anhydride White Vertex Benzenoid Hydrocarbon Benzenoid System Caterpillar Tree
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