Relative Stabilities and Reactivities of Isolated Versus Conjugated Alkenes:: Reconciliation Via a Molecular Orbital Approach

• Chariklia Sotiriou-Leventis ^[1] ; Samir B. Hanna ^[1] ; Nicholas Leventis ^[1]
  1. [1] University of Missouri-Rolla
• Localización: Journal of chemical education, ISSN 0021-9584, Vol. 73, Nº 4 (April), 1996, págs. 295-298
• Idioma: inglés
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• Resumen

  • The well-accepted practice of generating a pair of molecular orbitals, one of lower energy and another of higher energy than the original pair of overlapping atomic orbitals, and the concept of a particle in a one-dimensional box are implemented in a simplified, nonmathematical method that explains the relative stabilities and reactivities of alkenes with conjugated versus isolated double bonds. In this method, Huckel-type MO's of higher polyenes are constructed by energy rules of linear combination of atomic orbitals. One additional rule is obeyed: bonding molecular orbitals overlap only with bonding molecular orbitals, and antibonding molecular orbitals overlap only with antibonding molecular orbitals.