Question: Set up and solve the secular determinants for (a) hexatriene, (b) the cyclopentadienyl radical in the Hckel p-electron scheme; find the energy levels and molecular

Set up and solve the secular determinants for (a) hexatriene, (b) the cyclopentadienyl radical in the Hückel p-electron scheme; find the energy levels and molecular orbitals, and estimate the delocalization energy.

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