01:52 Reducible representation for group orbitals
03:03 Reduction of reducible representation
08:41 Effect of each symmetry operation on representative orbital
10:26 A1 irreducible representation
11:45 The E irreducible representation
13:06 Accounting for orbital degeneracy
17:16 Visualizing the group orbitals
20:56 Sorting molecular orbitals by energy
Derivation of the sigma molecular orbitals of NH₃ (ammonia), using the projection operator method.
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