What is the highest occupied molecular orbital in the O2 molecule?

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Cristopher Mcgee

Chemistry

17 March, 07:31

What is the highest occupied molecular orbital in the O2 molecule?

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Nguyen · Answer 1

H2 is known to exist. For dihydrogen, H2, we can identify the frontier molecular orbitals (FMOs). The highest occupied molecular orbital (or HOMO) is the σ (sigma) 1s MO. The lowest unoccupied MO (LUMO) is the σ * (sigma star) 1s MO which is antibonding.