Projection operator method: sigma and pi molecular orbitals of ethylene

01:24 Reducible representation for sigma group orbitals 03:47 Reduction of reducible representation 08:39 Effect of each symmetry operation on representative sigma orbital 09:57 Characters from group character table 11:32 A1g irreducible sigma orbital 12:50 B1g irreducible sigma orbital 14:05 B2u irreducible sigma orbital 15:01 B3u irreducible sigma orbital 16:04 Visualizing the sigma group orbitals 23:52 Pi molecular orbitals Derivation of both the sigma and pi molecular orbitals of ethylene (C₂H₄) by the projection operator method. Don't forget to like, comment, share, and subscribe!