A structural bridge between alternant and non-alternant hydrocarbons

A simple set of trimethylene-substituted even, fully-pi-bonded, non-alternant monocycles is shown to have several key features in common with acyclic, even alternant polyenes at the Hückel level. These non-alternant molecules provide a bridge between alternant and non-alternant hydrocarbons. This to...

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Bibliographic Details
Published in:Química Nova 2001-06, Vol.24 (3), p.416-418
Main Author: Langler, Richard Francis
Format: Article
Language:English
Subjects:
alternant hydrocarbon
Chemical graph theory
CHEMISTRY, MULTIDISCIPLINARY
Hückel theory
non-alternant hydrocarbon
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Summary:A simple set of trimethylene-substituted even, fully-pi-bonded, non-alternant monocycles is shown to have several key features in common with acyclic, even alternant polyenes at the Hückel level. These non-alternant molecules provide a bridge between alternant and non-alternant hydrocarbons. This topic might serve as a useful addition to Hückel theory courses targeted at senior undergraduate students.
ISSN:0100-4042
1678-7064
1678-7064
DOI:10.1590/S0100-40422001000300021