Strain difference

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Kevin Chang 2I
Posts: 11
Joined: Mon Jan 04, 2016 9:16 am

Strain difference

Postby Kevin Chang 2I » Sun Mar 19, 2017 5:45 am

In a conformation, how can one distinguish torsional strain from steric strain?

Kiara Quinn 3B
Posts: 20
Joined: Sat Jul 09, 2016 3:00 am

Re: Strain difference

Postby Kiara Quinn 3B » Sun Mar 19, 2017 9:28 am

Torsional Strain is a force that opposes rotation of a part of a molecule about a bond whereas steric strain occurs when there is a non bonded interaction that is too close together. For example, in the boat conformation, there would be a lot of steric strain due to the flagpole interactions. Torsional strain is often caused by the eclipsed hydrogens (pg 108 of the course reader). Hope this helps!

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