Is #SF_4# electron precise?

1 Answer
anor277
Nov 5, 2016

As far as I know, the Lewis structure of #SF_4#, which is a very nasty molecule, is electron precise.

Explanation:

The electron pairs around sulfur in #SF_4# adopt a trigonal planar geometry to give a #"see-saw"# molecular geometry in which axial and equatorial fluoride ligands have a soft mechanism of exchange by pseudorotation.

The singlet observed in the room temperature #""^19F# #NMR# spectrum of the molecule reflects this exchange, however, these can be frozen out at lower temperature.

Related questions
See all questions in Resonance
Impact of this question
2382 views around the world
You can reuse this answer
Creative Commons License