Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
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Experimental Barriers to Internal Rotation for CH₃CH₂OH (Ethanol)

Atoms in torsion 1 are 1, 2, 3, 4
The rotor type is OH

Atoms in torsion 2 are 3, 2, 1, 5
The rotor type is CH₃

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