The trouble with resonance energies: a Hückel theory topic

The trouble with resonance energies: a Hückel theory topic

Resonance energies are shown to be quasithermodynamic in character. Hence, they are generally unsuitable as bases for anticipating kinetic stabilities. Examples are provided, leading to the conclusion that those who intend the word 'aromatic' to mean chemically unreactive, need to carry ou...

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Veröffentlicht in:Química Nova 2005-10, Vol.28 (5), p.929-931
1. Verfasser: Langler, Richard Francis
Format: Artikel
Sprache:eng
Schlagworte:
aromaticity
CHEMISTRY, MULTIDISCIPLINARY
kinetic stability
resonance energies
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Zusammenfassung:Resonance energies are shown to be quasithermodynamic in character. Hence, they are generally unsuitable as bases for anticipating kinetic stabilities. Examples are provided, leading to the conclusion that those who intend the word 'aromatic' to mean chemically unreactive, need to carry out full Hückel calculations in order to rank hydrocarbons using the frontier orbital energies.
ISSN:0100-4042
1678-7064
1678-7064
DOI:10.1590/S0100-40422005000500035