NOTES-Pairwise_AO_Combinations_Resulting_in_Pi_MOs

See the example below z z y x x y atom 1 atom 2 y x

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Unformatted text preview: x-axis). See the example below: z z y x x y atom 1 atom 2 y x 2pz x y x zy z –2pz y x atom 1 y x y x x atom 2 Instructions: (Part 2) Draw an outline around the group of orbital combinations that are not allowed to interact because of symmetry reasons. Write the label "symmetry forbidden" in large letters inside this zone. Bringing orbitals together from two different atoms → making MOs • some orbital combinations interact in such a way as to concentrate the electron density between the nuclei (bonding interactions) • some orbital combinations interact in such a way as to deplete the electron density between the nuclei (antibonding interactions) • some orbital combinations interact in such a way as to neither concentrate nor deplete the electron density between the nuclei (nonbonding interactions) See: Molecular Orbitals (N2) a...
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