Calculate strain energy for the conformer pictured below, using strain energy increments from the table. Strain Energy for Alkanes Interaction / Compound kJ/mol kcal/mol H:H eclipsing 4.0 1.0 H: CH3 eclipsing 5.8 1.4 CH3 : CH3 eclipsing 11.0 2.6 gauche butane 3.8 0.9 cyclopropane 115 27.5 cyclobutane 110 26.3 cyclopentane 26.0 6.2 cycloheptane 26.2 6.3 cyclooctane 40.5 9.7 (Calculate your answer to the nearest 0.1 energy unit, and be sure to specify units, kJ/mol or kcal/mol. The answer is case sensitive.) CH3 CH3 H3C CH3 Previc

Calculate strain energy for the conformer pictured below, using strain energy increments from the table. Strain Energy for Alkanes Interaction / Compound kJ/mol kcal/mol H:H eclipsing 4.0 1.0 H: CH3 eclipsing 5.8 1.4 CH3 : CH3 eclipsing 11.0 2.6 gauche butane 3.8 0.9 cyclopropane 115 27.5 cyclobutane 110 26.3 cyclopentane 26.0 6.2 cycloheptane 26.2 6.3 cyclooctane 40.5 9.7 (Calculate your answer to the nearest 0.1 energy unit, and be sure to specify units, kJ/mol or kcal/mol. The answer is case sensitive.) CH3 CH3 H3C CH3 Previc

Organic Chemistry

8th Edition

ISBN:9781305580350

Author:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote

Publisher:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote

Chapter2: Alkanes And Cycloalkanes

Section: Chapter Questions

Problem 2.61P: Following are structural formulas for 1,4-dioxane and piperidine. 1,4-Dioxane is a widely used...

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Following are structural formulas for 1,4-dioxane and piperidine. 1,4-Dioxane is a widely used solvent for organic compounds. Piperidine is found in small amounts in black pepper (Piper nigrum). (a) Complete the Lewis structure of each compound by showing all unshared electron pairs. (b) Predict bond angles about each carbon, oxygen, and nitrogen atom. (c) Describe the most stable conformation of each ring and compare these conformations with the chair conformation of cyclohexane.
Calculate strain energy for the conformer pictured below, using strain energy increments from the table. Strain Energy for Alkanes Interaction / Compound kJ/mol 4.0 5.8 11.0 3.8 115 110 26.0 26.2 40.5 H: H eclipsing H: CH3 eclipsing CH3 CH3 eclipsing gauche butane cyclopropane cyclobutane cyclopentane cycloheptane cyclooctane (Calculate your answer to the nearest 0.1 energy unit, and be sure to specify units, kJ/mol or kcal/mol. The answer is case sensitive.) H₂C ball & stick V Strain energy = H CH3 H CH3 + labels kcal/mol 'Н 1.0 1.4 2.6 0.9 27.5 26.3 6.2 6.3 9.7
Calculate strain energy for the conformer pictured below, using strain energy increments from the table. Strain Energy for Alkanes Interaction / Compound kJ/mol kcal/mol H: H eclipsing 4.0 H: CH3 eclipsing 5.8 CH3 CH3 eclipsing 11.0 gauche butane 3.8 115 110 26.0 26.2 40.5 H₂C ball & stick Strain energy = cyclopropane cyclobutane cyclopentane cycloheptane cyclooctane (Calculate your answer to the nearest 0.1 energy unit, and be sure to specify units, kj/mol or kcal/mol. The answer is case sensitive.) H3C H CH3 1.0 + labels 1.4 2.6 0.9 27.5 26.3 6.2 6.3 9.7
Calculate strain energy for the conformer pictured below, using strain energy increments from the table. Strain Energy for Alkanes Interaction / Compound kJ/mol keal/mol H:H eclipsing 4.0 1.0 H: CH3 eclipsing 5.8 1.4 CH3 : CH3 eclipsing 11.0 2.6 gauche butane 3.8 0.9 cyclopropane 115 27.5 cyclobutane 110 26.3 cyclopentane 26,0 6.2 cycloheptane 26.2 6.3 cyclooctane 40,5 9.7 (Calculate your answer to the nearest 0.1 energy unit, and be sure to specify units, kJ/mol or kcal/mol. The answer is case sensitive CH H. H. H. CH3
[Review Topics] [References) Calculate strain energy for the conformer pictured below, using strain energy increments from the table. Strain Energy for Alkanes Interaction / Compound kJ/mol kcal/mol H: H eclipsing 4.0 1.0 H: CH3 eclipsing 5.8 1.4 CH3 : CH3 eclipsing 11.0 2.6 gauche butane 3.8 0.9 cyclopropane 115 27.5 cyclobutane 110 26.3 cyclopentane 26.0 6.2 cycloheptane 26.2 6.3 cyclooctane 40.5 9.7 (Calculate your answer to the nearest 0.1 energy unit, and be sure to specify units, kJ/mol or kcal/mol. The answer is case sensitive.) CH, CH CH3 Next Previous H3C Save and E: 15 tv MacBook Air 80 DII DD F4 F5 F6 F7 F8 F9 F10 F11 F12 $ & ) + 4. 5 7 8. %3D Y [ 11 F J + || < co
One of the chair conformations of cis-1-chloro-3-methylcyclohexane is more stable than the other by 15.5 kJ/mol. Use this, and the table below, to estimate the energy cost of a 1,3-diaxial interaction between a chlorine atom and a methyl group. 1,3-Diaxial Strain Energies for Monosubstituted Cyclohexanes kJ/mol Substituent Substituent kJ/mol -NH2 -CN, cyano 0.4 2.95 -F 0.5 -COOH 2.95 -C=CH, ethynyl 0.85 -CH=CH2 3.55 -CH3 -I 0.95 3.64 -CH2CH3 -Cl 3.65 1.1 -CH(CH3)2 1.2 4.5 -Br -C(CH3)3 10.5 -ОН 1.95 -CGH5 6.3 (Round your answer to one decimal place.) kJ/mol
Calculate strain energy for the conformer pictured below, using strain energy increments from the table Strain Energy for Alkanes \table[[Interaction / 1 Compound,k-ol, kca-ol m H3C. J m H CH3 CH3 CH3 H
1 F1 Q @ 2 F2 W Draw the two chair cyclohexane conformations for the compound shown below. How many substituents are axial in the less stable conformation? >> F10 #3 3 C/ "CI 00 01 02 03 A Moving to another question will save this response. 80 F3 F4 ㅎ... E S4 $ R % 5 F5 T MacBook Air F6 6 Y & 7 F7 U * 00 8 DII F8 ( 9 F9 ) 0 1 I P
What is the total strain energy of 2,2-dimethylpropane in an eclipsed conformation? Given: For CH3 eclipsed to H (both attached to adjacent C's), the total strain energy is 6 kJ/mol. Select one: A. 12 kJ В. 18 kJ С. 21 kJ D. 11.4 kj
Consider a Newman Projection for 2,2,3-trimethylbutane. Which of the following is true? The least stable conformation of the molecule has 22 kJ/mol of straih energy. The least stable conformation has 28 kJ/mol of torsional strain energy. The most stable conformation of the molecule has two gauche butane interactions with 7.6 kJ/mol of strain energy. The most stable conformation of the molecule has no torsional strain interactions. O O O O
Based on the given planar structure of 1,2,3-trichloro-4-methylcyclohexane, which of the following structures corresponds to the most stable chair conformation of the compound (Figure below)? CI 'CI CI CI CI CH3CI CI H3CZ CI CI CI H3CZ il CI CI CH3CI
One of the chair conformations of cis-1,3-dimethylcyclohexane is more stable than the other by 23.1 kJ/mol. Use this, and the table below, to estimate the energy cost of a 1,3-diaxial interaction between two methyl groups. 1,3-Diaxial Strain Energies for Monosubstituted Cyclohexanes Substituent kJ/mol Substituent kJ/mol -CN, cyano 0.4 -F 0.5 -Cl -Br -OH -C6H5 kJ/mol Additional Materials eBook 1.0 1.0 2.1 6.3 3.8 -CH3 -C₂H> 2.9 -CH₂CH3 4.0 -CH(CH3)2 4.6 -C(CH3)3 11.4