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Postby giareyes_2B » Fri Mar 17, 2017 10:17 pm

I know that 5 and 6 Carbon rings are the most common because they are the most stable, but what makes them the most stable in comparison to other cycloalkanes?

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Re: Cycloalkanes

Postby Kendall_Chaffin_3C » Fri Mar 17, 2017 11:07 pm

Other alkanes have more angle strain. Each C-C bond wants to be roughly 109.5 degrees. With less that 5 Carbons each C-C bond angle is too big (ex: cyclopropanes C-C bonds are at 120 degrees) and with more than 6 carbons the C-C bond angle is too small (ex: cyclooctanes C-C bonds would be 45 degrees if all C-C bonds were in the same plane)

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