MO Diagram for HF

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Alex Yee - 4I
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Joined: Wed Sep 21, 2016 2:57 pm

MO Diagram for HF

Postby Alex Yee - 4I » Thu Nov 17, 2016 6:56 am

What does the MO diagram for HF look like? How do you handle having different orbitals bonding in the diagrams?

Jared Faith 4E
Posts: 10
Joined: Wed Sep 21, 2016 2:57 pm

Re: MO Diagram for HF

Postby Jared Faith 4E » Thu Nov 17, 2016 3:32 pm

I wasn't sure about this myself, but I looked it up online (I added a picture). Apparently since F's 2s orbital is so low in energy, it cannot bond with H's 1s orbital and remains below the H as a non-bonding orbital. I can see how this might make sense since F is the most electronegative atom and has a low energy. H’s only electron mixes with the 2p orbital for F and fills the 2p bonding sigma while the other F electrons then fill 2 pi orbitals between the bonding sigma and empty antibonding sigma at the top of the diagram.

The diagram looks a little more complex then the ones we have been dealing with but it might just be special since HF deals with a hydrogen atom.

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