![]() ![]() So, that bends the axial fluorines together a bit. Note though that the structure is distorted a bit due to the repulsive forces of the lone pair of electrons you see (not bonded). So, we can just say the ideal bond angle for SF2 should be around 109.5. ![]() With one lone pair of valence electrons, you get a seesaw molecular geometry. The bond angle of water is around 104.5 and the interesting part is that oxygen which is the central atom of H2O is smaller than sulphur in SF2. Therefore, you can put 6x4 on each fluorine, 2x4 to account for four single bonds, and 2 for the last 2 valence electrons available.Īs a result, you have 5 electron groups, so the electron geometry would be trigonal bipyramidal. You can put sulfur in the middle because fluorine tends to make single bonds. Within the context of VSEPR theory, you can count electrons to determine the electron geometry ("parent" geometry).
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