4. Alkanes and Cycloalkanes
Barrier To Rotation
Problem 3c
Textbook Question
Textbook Questiona. Draw a potential energy diagram for rotation about the C¬C bond of 1,2-dichloroethane through 360°, starting with the least stable conformer. The anti conformer is 1.2 kcal/mol more stable than a gauche conformer. A gauche conformer has two energy barriers, 5.2 kcal/mol and 9.3 kcal/mol.
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