Answer to Question #110289 in General Chemistry for pratiti

Question

Draw out the molecular orbital correlation diagram for NO molecule. Label all atomic and molecular orbitals and fill in the valence electrons from both atoms. In this case, the energy of π2p is less than energy of σ2p.

Answer 1

Quick overview of what the labels correspond to what MOs:

• 1
• a
• 1
•  is the σ
• 2
• s
•  bonding MO.
• 2
• a
• 1
•  is the σ
• *
• 2
• s
•  antibonding MO.
• 1
• b
• 1
•  is the π
• 2
• p
• x
•  bonding MO.
• 1
• b
• 2
•  is the π
• 2
• p
• y
•  bonding MO.
• 3
• a
• 1
•  is the σ
• 2
• p
• z
•  bonding MO, but it's relatively nonbonding with respect to oxygen.
• 2
• b
• 1
•  is the π
• *
• 2
• p
• x
•  antibonding MO.
• 2
• b
• 2
•  is the π
• *
• 2
• p
• y
•  antibonding MO.
• 4
• a
• 1
•  is the σ
• *
• 2
• p
• z
•  antibonding MO.