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The following graph is based on the free energy for C2-C3 bond rotation in butane obtained by using CheMagic Virtual Molecular Model Kit C2-C3 Bond of Butane 30 25 20 15 10 0 180 300 360 10 15 20 -25」 Dihedral Angle Draw Newman projection of butane around C2-C3 bond for 60, 180° and 300° dihedral angles below (2 pt@ 180° 300° Which of the three energy minimum do not match exactly with the corresponding staggered configuration ie, 60. 180° and 300 dihedral angle? Why is there a difference? (4 pt)
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