Rotating Pi bonds

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sophiebillings1E
Posts: 60
Joined: Fri Sep 28, 2018 12:27 am

Rotating Pi bonds

Postby sophiebillings1E » Mon Nov 19, 2018 3:39 pm

Is there any time that a pi bond can rotate or does it break when it begins to rotate?

Phoebe Chen 4I
Posts: 55
Joined: Fri Sep 28, 2018 12:29 am

Re: Rotating Pi bonds

Postby Phoebe Chen 4I » Mon Nov 19, 2018 3:40 pm

A pi-bond will break when it starts to rotate. I don't think there is a situation where it can rotate.

Angela Cong 3C
Posts: 69
Joined: Fri Sep 28, 2018 12:25 am

Re: Rotating Pi bonds

Postby Angela Cong 3C » Mon Nov 19, 2018 3:43 pm

Pi bonds break if they are rotated. This is due to their rigidness and the way that they are bonded side by side, different than sigma bonds.

Grace Kim 1J
Posts: 60
Joined: Fri Sep 28, 2018 12:18 am
Been upvoted: 1 time

Re: Rotating Pi bonds

Postby Grace Kim 1J » Mon Nov 19, 2018 3:59 pm

I also agree with the answers above!

Pi bonds cannot rotate the same way as sigma bonds do since the rotation would break the pi bond interaction. Compared to pi bonds which have their electron density above and below the bond axis (bonding sideways), sigma bonds have their electron density along the bond axis. This allows sigma bonds to rotate.


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