Why is SF4 Polar?

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Antonio Melgoza 2K
Posts: 33
Joined: Fri Sep 25, 2015 3:00 am

Why is SF4 Polar?

Postby Antonio Melgoza 2K » Mon Oct 26, 2015 12:14 am

Why is SF4 polar? It's a seesaw shape and trigonal bipyramidal and the dipoles point towards F, but shouldn't that mean that it is nonpolar?

Roshni Kumar 1E
Posts: 20
Joined: Fri Sep 25, 2015 3:00 am

Re: Why is SF4 Polar?

Postby Roshni Kumar 1E » Mon Oct 26, 2015 1:31 am

No, because the seesaw shape itself is asymmetrical thus implying that SF4 is polar. Also since F is more electronegative than S and when the lewis structure is drawn out with dipole moments it can be seen that the dipole moment is not zero, that also means that SF4 is polar.

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