Projection operator method: pi molecular orbitals of cyclobutadiene

01:02 Reducible representation for pi group orbitals 05:42 Reduction of reducible representation 12:23 Effect of each symmetry operation on representative pi orbital 15:52 A2u irreducible representation 19:00 B2u irreducible representation 19:52 Eg irreducible representation 21:45 Accounting for orbital degeneracy 22:17 Visualizing the group orbitals Derivation of the pi molecular orbitals of cyclobutadiene through the projection operator method. Don't forget to like, share, and subscribe!