Gauche
A gauche interaction is a steric interaction between two groups in a staggered conformation with a dihedral angle of 60°. For two methyl groups, a gauche interaction has an energetic cost of 0.9 kcal/mol (3.8 kJ/mol)
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A gauche interaction is a steric interaction between two groups in a staggered conformation with a dihedral angle of 60°. For two methyl groups, a gauche interaction has an energetic cost of 0.9 kcal/mol (3.8 kJ/mol)