Analytical derivation of the Hückel "4n + 2 rule"

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3 Citations (Scopus)


The "4n + 2 rule" is derived analytically at the level of the simple Hückel theory for neutral even-membered chains, their double ions, as well as cations and anions of the odd-membered chains, by determining the first order energetic effect of the ring closure. The topological background of the "4n + 2 rule" is also briefly discussed.

Original languageEnglish
Pages (from-to)203-206
Number of pages4
JournalTheoretical Chemistry Accounts
Issue number3-6
Publication statusPublished - Mar 1 2010


  • Antiaromaticity
  • Aromaticity
  • Huckel 4n + 2 rule
  • Topology of MO nodes

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry

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