8. Draw 2-methylpentane.
a) Draw Newman projections for the six energy maxima and minima for rotation around the C2-C3 bond.
b) Calculate the energy at each conformation. (Assume the same energies for -Et as you would for -Me.)
c) Use these values to make a graph of potential energy versus dihedral angle.
d) Label the most stable conformation.
e) Label the least stable conformation?
f) What is the barrier to rotation around the C2-C3 bond?
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