The energy diagram for the relative energy levels of the MO’s of 1,3,5,7-octatetraene should be determined and the HOMO and LUMO for the ground state and excited state in MO are needed to be identified. Concept introduction: According to MO theory, In a molecule, the atomic orbitals of atoms constituted in the molecule are combined to produce new orbitals are called Molecular Orbitals. The numbers of MO’s are equals to the number of atomic orbitals are combined in such a way that the linear combination of similar atomic orbitals to form one bonding and one anti-bonding MO’s. The bonding MO’s are lower in energy than the anti-bonding MO’s. HOMO is the highest energized occupied orbital in the MO’s. LUMO is the lowest energized orbital in the MO’s. To determine: the energy diagram for the relative energy levels of the MO’s of 1,3,5,7-octatetraene and identify the HOMO and LUMO for the ground state and excited state in MO’s.

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Chapter 16.3, Problem 5CC

Interpretation Introduction

Interpretation:

The energy diagram for the relative energy levels of the MO’s of 1,3,5,7-octatetraene should be determined and the HOMO and LUMO for the ground state and excited state in MO are needed to be identified.

Concept introduction:

According to MO theory,

In a molecule, the atomic orbitals of atoms constituted in the molecule are combined to produce new orbitals are called Molecular Orbitals. The numbers of MO’s are equals to the number of atomic orbitals are combined in such a way that the linear combination of similar atomic orbitals to form one bonding and one anti-bonding MO’s.

The bonding MO’s are lower in energy than the anti-bonding MO’s.

HOMO is the highest energized occupied orbital in the MO’s.

LUMO is the lowest energized orbital in the MO’s.

To determine: the energy diagram for the relative energy levels of the MO’s of 1,3,5,7-octatetraene and identify the HOMO and LUMO for the ground state and excited state in MO’s.

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