The two alternative chair conformations of cis-1-cyano-4-methylcyclohexane differ in their Gibbs free energy. Using the data for ΔG° for monosubstituted cyclohexanes at room temperature (25ºC): Axial → Equatorial Group ΔG° (kJ/mol) Group ΔG° (kJ/mol) C-N triple bond −0.8 NH2 −5.9 Br −2.4 CH3 −7.3 OH −3.9 1,2-gauche +3.8 calculate the absolute value of the difference in the Gibbs free energy between the alternative chair conformations.
The two alternative chair conformations of cis-1-cyano-4-methylcyclohexane differ in their Gibbs free energy. Using the data for ΔG° for monosubstituted cyclohexanes at room temperature (25ºC): Axial → Equatorial Group ΔG° (kJ/mol) Group ΔG° (kJ/mol) C-N triple bond −0.8 NH2 −5.9 Br −2.4 CH3 −7.3 OH −3.9 1,2-gauche +3.8 calculate the absolute value of the difference in the Gibbs free energy between the alternative chair conformations.
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
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The two alternative chair conformations of cis-1-cyano-4-methylcyclohexane differ in their Gibbs free energy.
Using the data for ΔG° for monosubstituted cyclohexanes at room temperature (25ºC):
| Axial → Equatorial | |||
|---|---|---|---|
| Group | ΔG° (kJ/mol) | Group | ΔG° (kJ/mol) |
| C-N triple bond | −0.8 | NH2 | −5.9 |
| Br | −2.4 | CH3 | −7.3 |
| OH | −3.9 | 1,2-gauche | +3.8 |
calculate the absolute value of the difference in the Gibbs free energy between the alternative chair conformations.
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