ENERGY COSTS FOR COMPARING THE RELATIVE ENERGY OF CONFORMATIONS Interaction Type of Strain Energy Cost (kJ/mol) H/H Ecli

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Energy Costs For Comparing The Relative Energy Of Conformations Interaction Type Of Strain Energy Cost Kj Mol H H Ecli 1 (150.94 KiB) Viewed 13 times

ENERGY COSTS FOR COMPARING THE RELATIVE ENERGY OF CONFORMATIONS Interaction Type of Strain Energy Cost (kJ/mol) H/H Eclipsed Torsional strain 4 CH3/H Eclipsed Torsional strain 6 CH3/CH3 Eclipsed 11 Torsional strain + steric hindrance CH3/CH3 Gauche Steric hindrance 3.8 ΑΑ The cis isomer has the following eclipsing interactions H-H, CH3-H, and CH3-CH3 The trans isomer has the following eclipsing interactio H-H, CH3-H, and CH3-CH3 W NO 2 3 The total eclipsing interactions are 32 kJ/mol fo somer and 35 kJ/mol for the trans isomer totals, so the trans isomer is 3 kJ/mol LESS stable. O The total eclipsing interactions are 35 kJ/mol for the cis isomer and 32 kJ/mol for the trans isomer totals, so the trans isomer is 3 kJ/mol MORE stable. The total eclipsing interactions are 35 kJ/mol for the cis isomer and 32 kJ/mol for the trans isomer totals, so the trans isomer is 3 kJ/mol LESS stable. The total eclipsing interactions are 32 kJ/mol for the cis isomer and 35 kJ/mol for the trans isomer totals, so the trans isomer is 3 kJ/mol MORE stable.