#Lumo

From Independent RSS Feed: West Coast Main Line fares to fall when Lumo’s new London trains start this month

I have a question about LUMO (Lowest Unoccupied Molecular Orbital), and specifically how Br₂ works as a LUMO. My understanding is that an empty antibonding orbital accepts electrons, but I don’t get how this is specific to Br₂ and why this doesn’t apply…