Topic 11.1. Relationships between Bond and Radical Stabilization Energies

Topic 11.1. Relationships between Bond and Radical Stabilization Energies 

This formulation includes any stabilization of the reactant in the value of the BDE and resulting RSE. Thus the inherent strength of the C-H bond is considered to be decreased to the extent that the product radical is stabilized. Further interpretation requires subdividing the BDE into its inherent and extra stabilization factors. To 

Relationships between Bond and Radical Stabilization Energies 

Larson and Cremer have explored another approach to dissecting BDE into inherent and RSE effects4 There is a relationship between C-H BDE and the vibrational frequencies of the bonds Furthermore, the vibrations can be determined for C—H bonds in speeific conformations, for example, the equatorial and axial bonds in cyclohexanes or the anti and gauche bonds in amines. 

Variation in vibrational frequencies of stereochemically distinct bonds 

---