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Unformatted text preview: of allyl cation. energy cyclopropyl cation cyclopropenyl cation b. How many p-p bonding interactions are there in each MO? How many nodes? c. The π MOs of cyclopropenyl cation are like those of allyl cation, but there is an additional interaction between the p orbitals on carbons 1 and 3. Consider each MO of allyl cation. Is this additional interaction bonding, antibonding, or non-bonding? Will this cause the energy of the MO to go up or down in energy? d . How many degenerate π MOs should there be in cyclopropenyl cation? e . On the right side of the diagram, draw the π MOs of cyclopropenyl cation and indicate their approximate energies compared to those of allyl cation. Draw dotted lines to show how the MOs are related....
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