MO Diagram

[milanaforever]

i think you meant to say sigma, not theta

[delamordant]

And why is the 2p pi lower in energy than the 2p sigma ?

[rephirairis]

@delamordant It's possible for 2p pi orbitals to be lower than 2p sigma orbitals if mixing occurs.

[teenzzy]

why there's only one box for 2p pi antibonding?