The Molecule Benzene,which Features a Conjugated Ring System,has Interesting Properties

question 14

Essay

The molecule benzene,which features a conjugated ring system,has interesting properties.In fact,extended benzene-like molecules are key features of many drug classes,including DNA intercalators.
(a) Draw an energy-based electron configuration diagram for any one carbon atom in benzene.Clearly show which orbitals are hybridized and which orbital is used for the π bond.
(b) Next,consider the π MO diagram of benzene generated via the LCAO method.Add π electrons to the diagram,and label each orbital as π bonding MO or π* antibonding MO.How many total electrons reside in MOs of π symmetry for benzene?

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