What is the barrier to rotation around the C2-C3 bond?

Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Give answer only  (f)

 

8.
a)
b)
f)
Draw 2-methylpentane.
3
5
CH3
CH3 CH CHỈ CHÍ CH3
1
2
3
4 S
-
Draw Newman projections for the six energy maxima and minima for rotation arour
the C2-C3 bond.
Calculate the energy at each conformation. (Assume the same energies for -Et as
you would for -Me.)
Use these values to make a graph of potential energy versus dihedral angle.
Label the most stable conformation.
Label the least stable conformation?
What is the barrier to rotation around the C2-C3 bond?
Transcribed Image Text:8. a) b) f) Draw 2-methylpentane. 3 5 CH3 CH3 CH CHỈ CHÍ CH3 1 2 3 4 S - Draw Newman projections for the six energy maxima and minima for rotation arour the C2-C3 bond. Calculate the energy at each conformation. (Assume the same energies for -Et as you would for -Me.) Use these values to make a graph of potential energy versus dihedral angle. Label the most stable conformation. Label the least stable conformation? What is the barrier to rotation around the C2-C3 bond?
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