Fig. 15.
Energy levels as a function of θ the barrier for methyl groups in a threefold cosine potential. The dashed lines represent singly degenerate states (A symmetry) while the solid lines are doubly degenerate states (E symmetry).
Energy levels as a function of θ the barrier for methyl groups in a threefold cosine potential. The dashed lines represent singly degenerate states (A symmetry) while the solid lines are doubly degenerate states (E symmetry).