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Resonance Structures and Sigma & Pi Bonds

Posted: Sat Nov 21, 2020 6:55 pm
by Isaac Wen
Hi! If a compound has resonance (let's say it has bond lengths between a single bond and a double bond), would it have both a sigma bond and a pi bond just like a double bond would?

Re: Resonance Structures and Sigma & Pi Bonds

Posted: Sat Nov 21, 2020 7:47 pm
by Edward Tang 1k
Resonance indicates the presence of delocalized electrons, which are, in fact, the pi bonds. The pi bonds in resonances structures are delocalized and travels between different pairs of two atoms. So to answer your question, yes there are pi and sigma bonds in molecules with resonances.

Re: Resonance Structures and Sigma & Pi Bonds

Posted: Sat Nov 21, 2020 8:02 pm
by StephanieIb
Yes, resonance structures would have sigma and pi bonds just like a double or triple bond would.

Re: Resonance Structures and Sigma & Pi Bonds

Posted: Sat Nov 21, 2020 8:34 pm
by Emma Strassner 1J
All resonance structures have sigma and pi bonds, and when drawing the structures you just change where they go.

Re: Resonance Structures and Sigma & Pi Bonds

Posted: Sat Nov 21, 2020 9:23 pm
by Serena Song 1A
Yup! Resonance structures have sigma and pi bonds. I believe the pi bonds in resonance structures are specifically called delocalized pi bonds.

Re: Resonance Structures and Sigma & Pi Bonds

Posted: Sun Nov 22, 2020 6:25 pm
by Linette Choi 3L
Yup, if the resonance structure still had the double bond then it would still have the sigma and pi bonds. The bonds would just be delocalized along with the electrons since resonance structures move them around.

Re: Resonance Structures and Sigma & Pi Bonds

Posted: Sun Nov 22, 2020 6:30 pm
by Ansh Patel 2I
Hi! Resonance structures would still have sigma and pi bonds and all that would change is their location.