Resonance and Rotation

(Polar molecules, Non-polar molecules, etc.)

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Resonance and Rotation

Postby GFolk_1D » Wed Nov 20, 2019 9:09 am

If a molecule has resonance (some double bonds and some single bonds) and therefore a few pi bonds can any of the atoms rotate?

Heba Mengesha 3D
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Re: Resonance and Rotation

Postby Heba Mengesha 3D » Wed Nov 20, 2019 9:12 am

Resonance structures involve the movement of pi-bonded electrons or of lone-pair electrons that are adjacent to pi bonds. You can't shift the location of electrons in sigma bonds – if you show a sigma bond forming or breaking, you are showing a chemical reaction taking place. The positions of atoms in the molecule cannot change between two resonance structures.

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