Halogen-sp³ carbon bonds are often used as electron pair acceptors, known as electrophiles, in organic reactions. Electrophiles typically use their LUMO to an accept an electron pair from a donor known as a nucleophile. Given your knowledge of M.O. theory please predict what would happen if the nucleophile HS-would donate a lone pair of electrons to the LUMO of chloromethane. Please explain your prediction.

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D. Halogen-sp³ carbon bonds are often used as electron pair acceptors, known as
electrophiles, in organic reactions. Electrophiles typically use their LUMO to an
accept an electron pair from a donor known as a nucleophile. Given your
knowledge of M.O. theory please predict what would happen if the nucleophile
HS-would donate a lone pair of electrons to the LUMO of chloromethane.
Please explain your prediction.
Transcribed Image Text:D. Halogen-sp³ carbon bonds are often used as electron pair acceptors, known as electrophiles, in organic reactions. Electrophiles typically use their LUMO to an accept an electron pair from a donor known as a nucleophile. Given your knowledge of M.O. theory please predict what would happen if the nucleophile HS-would donate a lone pair of electrons to the LUMO of chloromethane. Please explain your prediction.
Expert Solution
Step 1: Bonding and anti-bonding molecular orbitals

Molecular orbitals (MOs) are formed by the overlap of atomic orbitals (AOs) from individual atoms in a molecule. 

Bonding molecular orbitals are formed when the phase of the wave functions of the combining atomic orbitals is the same, leading to constructive interference. They contribute to the stability of the molecule and are lower in energy compared to the original atomic orbitals.

Antibonding molecular orbitals are formed when the phase of the wave functions of the combining atomic orbitals is opposite, leading to destructive interference. These are higher in energy compared to the original atomic orbitals.

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