Calculate the total strain energy in each of the two chair conformations of cis-1-tert-butyl-4-chlorocyclohexane. By how much energy is the more stable conformation favored (thi is the difference in energy between the two conformations)? NOTE: The strain energy for one H,Cl interaction is 1.0 kj/mol while for H,-C(CH3)3 (t-butyl) is 11.4 kJ/mol. H3C. H3C- CH3. CH2 Ring-flip H3C H3C H- A (A) A=1.0 kl/mol; B=11.4 kJ/mol; difference = 10.4 kJ/mol (B) A=2.0 kj/mol; B=22.8 kj/mol; difference 20.8 kJ/mol (C) A=3.0 k/mol; B=22.8 kj/mol; difference = 19.8 kJ/mol (D) A=1.0 kl/mol; B=22.8 k/mol; difference = 21.8 kJ/mol (E) A=2.0 k/mol; B=11.4 k/mol; difference = 9.4 kJ/mol

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Calculate the total strain energy in each of the two chair conformations of cis-1-tert-butyl-4-chlorocyclohexane. By how much energy is the more stable conformation favored (this
is the difference in energy between the two conformations)?
NOTE: The strain energy for one H,Cl interaction is 1.0 kj/mol while for H,-C(CH3)3 (t-butyl) is 11.4 k/mol.
H CI
H H
H3C.
H3C
CH3
CH3
Ring-flip
H.
H3C
H3C
CI
A
(A) A=1.0 kj/mol; B=11.4 kJ/mol; difference = 10.4 kJ/mol
(B) A=2.0 kj/mol; B=22.8 kj/mol; difference = 20.8 kJ/mol
%3D
(C) A=3.0 kJ/mol; B=22.8 kJ/mol; difference =
19.8 kJ/mol
(D) A=1.0 kj/mol; B=22.8 kJ/mol; difference = 21.8 kJ/mol
(E) A=2.0 kj/mol; B=11.4 kJ/mol; difference = 9.4 kJ/mol
%3D
Transcribed Image Text:Calculate the total strain energy in each of the two chair conformations of cis-1-tert-butyl-4-chlorocyclohexane. By how much energy is the more stable conformation favored (this is the difference in energy between the two conformations)? NOTE: The strain energy for one H,Cl interaction is 1.0 kj/mol while for H,-C(CH3)3 (t-butyl) is 11.4 k/mol. H CI H H H3C. H3C CH3 CH3 Ring-flip H. H3C H3C CI A (A) A=1.0 kj/mol; B=11.4 kJ/mol; difference = 10.4 kJ/mol (B) A=2.0 kj/mol; B=22.8 kj/mol; difference = 20.8 kJ/mol %3D (C) A=3.0 kJ/mol; B=22.8 kJ/mol; difference = 19.8 kJ/mol (D) A=1.0 kj/mol; B=22.8 kJ/mol; difference = 21.8 kJ/mol (E) A=2.0 kj/mol; B=11.4 kJ/mol; difference = 9.4 kJ/mol %3D
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