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IV.A.5.

Compare Barriers to Internal Rotation

Which torsion in CH3COOH?
picture of Acetic acid
Please choose which four atoms describe the torsional coordinate.
choose Atom1 Atom2 Atom3 Atom4 Type of Rotor
torsion 1 3 2 7 8 OH
torsion 2 4 1 2 3 CH3