nonplanar vs planar conformations

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Michelle_Ahn_2N
Posts: 10
Joined: Wed Sep 21, 2016 2:58 pm

nonplanar vs planar conformations

Postby Michelle_Ahn_2N » Wed Mar 15, 2017 1:29 am

As I was reviewing the conformations part for cycloalkanes, I was wondering
What determines the planarity in conformations? Is it just the number of carbons?
and also which one is more stable between nonplanar conformations and planar conformations?

Thanks in advance for your reply!

Brianna Wummer 2L
Posts: 19
Joined: Wed Sep 21, 2016 2:56 pm

Re: nonplanar vs planar conformations

Postby Brianna Wummer 2L » Wed Mar 15, 2017 11:53 am

Hi there! Nonplanar conformations are more stable than planar conformations. The only cycloalkane that has a planar conformation is cyclopropane, because there are only 3 carbons. Cycloalkanes with more than 3 carbons will have nonplanar conformations as the most stable, due to reduced bond angle, torsional, and steric strain. Hope that helps!


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