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Take a close look at the figure, which shows MO 5 of BF (in case you don\'t reme

ID: 787699 • Letter: T

Question

Take a close look at the figure, which shows MO 5 of BF (in case you don't remember, we count MOs up from the lowest energy to the highest). Pay close attention to the location of the nodes; by convention, boron is pink and fluorine is green. Provide an LCAO description of this MO assuming that the bond axis is the x-axis: MO 5 results mostly from {constructive, destructive} overlap between the {2s, 2px, 2py, 2pz} AO centered on fluorine and the {2s, 2px, 2py, 2pz} AO centered on boron.




string Model 1.1 MO 7/18 Energy= -0.40432 ev Occupancy=2.0

Explanation / Answer

MO 5 results mostly from { destructive} overlap between the {2px}AO centered on fluorine and the {2s} AO centered on boron.

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