Bond Angles in 2E.7

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Aadil Rehan 1D
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Bond Angles in 2E.7

Postby Aadil Rehan 1D » Sun Nov 17, 2019 1:58 pm

2E.7 asks for the shape and bond angles for the molecule SOCl2. Spoiler alert, it's trigonal pyramidal, and the answer key gives the bond angles as slightly less than 109.5 degrees. I understand that this is because of the repulsion of the lone pair in the axial position, but is it possible that the Cl-S-O bond angles are greater than 109.5 degrees due to the high electron density of the S=O double bond and the greater repulsion resulting from it? As a result, would that make the Cl-S-Cl bond angle less than 109.5? Any clarification would be appreciated.

Haley Fredricks 1B
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Re: Bond Angles in 2E.7

Postby Haley Fredricks 1B » Sun Nov 17, 2019 2:01 pm

Lavelle mentioned in class that single, double, and triple bonds are considered single regions of electron density in VSEPR model, so the double bond wouldn't cause a greater repulsion in this model.

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