The barrier to C-C bond rotation in bromoethane is 15 kJ/mol. What energy can you assign to an H-Br eclipsing interaction? Use strain energy increments from the table below in your calculation. (Specify units, kJ/mol; Calculate to nearest 0.1 energy units) Interaction H→ H eclipsed H→ CH3 eclipsed CH3 CH3 eclipsed CH3 CH3 gauche Cause Torsional strain Mostly torsional strain Torsional and steric strain Steric strain (kJ/mol) Energy cost 4.0 6.0 11.0 3.8 (kcal/mol) 1.0 1.4 2.6 0.9

The barrier to C-C bond rotation in bromoethane is 15 kJ/mol. What energy can you assign to an H-Br eclipsing interaction? Use strain energy increments from the table below in your calculation. (Specify units, kJ/mol; Calculate to nearest 0.1 energy units) Interaction H→ H eclipsed H→ CH3 eclipsed CH3 CH3 eclipsed CH3 CH3 gauche Cause Torsional strain Mostly torsional strain Torsional and steric strain Steric strain (kJ/mol) Energy cost 4.0 6.0 11.0 3.8 (kcal/mol) 1.0 1.4 2.6 0.9

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

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

See similar textbooks

Similar questions

1. What type of reaction that all organic compounds undergo? 2. What is the total bond order of sulfur in CH3SCH3? 3. Explain the meaning in organic formulas of a pair of parentheses with no subscript behind it, such as in CH3CH2CH(CH3)C3H7
4
Determine the absolute configuration of the asymmetric carbon of each compound below. H3C. H;C OH но HS HO NH2 NH2
Does cyclooctene have two distinct configurations about its C=C bond? Hint: Consider using a model kit. Cyclooctene
In conformation K (see Figure 5) what equatorial atoms/groups are cis to the chlorine atom? Select all that apply. Figure 5 SH OCH, OH CH,CH2CH2" F NH2 -CH¿CH2CH;CH3 ČN Br ČHĄCH3 SeH Conformation K
Cymbalta (shown below) is an antidepressant. How many asymmetric centers are present in this structure? SIN N.
For which of the following molecules are there two unique configurations about the double bond? Explain. (a) (CH3)2C=CHCI; (b) H2C=CHCH,CH3; (c) CIHC=CHBr; (d) HC=CCH=CHCI
H 17
Q/ Name the following polymers: according to the designation based on the International System IUPAC
Torsional strain resulting from eclipsed C-H bond is approximately 4.2kJ/mol, and that of eclipsed C-H and C-CH3 bond is approximately 6.3kJ/ mol. Given the above information sketch a graph of energy versus dihedral angle for propane.
dichloromethyl vinylsulfideCHCL2-S-CH=CH2 Electrostatic Potential. indicate where the largest areas of negative and positive ESP are found on the molecule in question(sketch, and use arrows to make rough indications). For example, look for lone pairs of electrons.