Deduce the energy difference betweetn the conformers of compound X by referringto the table below.(i)ÇII3Compound XH,CH;CSupport your answer hy drawing the conformer(s) involved, and show thecalculations to obtain the energy difference.Energy cost by:He>CH3 eclipsed1,3-diaxial (He>CH,) strain1,3-diaxial (CH3>CH;) strainEnergy (kJ mol)6.03.815.4(ii)Identify which of these conformers give the most and the least stable conformations.

Answered: Image /qna-images/answer/8c48f9c1-9415-4ee5-9d4b-20f0a3d26531.jpg

Answered: (i) Deduce the energy difference…

Organic Chemistry: A Guided Inquiry

2nd Edition

ISBN:9780618974122

Author:Andrei Straumanis

Publisher:Andrei Straumanis

Chapter6: Alkanes & Alkenes

Section: Chapter Questions

Problem 37CTQ: Indicate the relationship between each pair. Choose from: configurational stereoisomers,conformers,...

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The diaxial conformation of cis- 1,3-dimethylcyclohexane is approximately 23kl/mol (5.4 kcal/mol) less stable than the diequatorial conformation. Draw thetwo possible chair conformations, and suggest a reason for the large energydifference.
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Draw Newman Projections representing the two highest and two lowest energy conformers of (3S,4S)-4-tert-butyl-2,3-dimethyloctane as viewed along the C3-C4 bond. b.) Label each conformer with theappropriate description then analyze them and rank their energies and explain your reasoning by specifyingthe types of interactions. (Hint: Draw the first and then rotate only the front or back carbon)
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The diaxial conformation of cis-1, 3-dimethylcyclohexane is approximately 23 kJ/mol (5.4 kcal/mol) less stable than the diequatorial conformation. Draw the two possible chair conformations, and suggest a reason for the large energy difference.
Build a model of methylcyclohexane, and use the model to complete the following Newmanprojections of methylcyclohexane in the chair conformation: a. When the methyl group is in an axial or equatorial (circle one) position, the molecule is inits lowest potential energy conformation. b. Label one Newman projection above anti and the other gauche to describe the relationshipbetween the methyl group and C3 of the ring. c. In general, which is a lower PE conformation, anti or gauche? d. Explain how your answer to b and c provide an explanation for why it is more favorable fora large group to be in an equatorial than an axial position.
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