Consider 3,3-dimethylpentane. Using a Newman projection formula, draw the most stable conformation of a molecule of this, sighting along the C2- C3 bond. Compute the total strain energy for this conformation. Refer to strain energy values given below Strain energies with respect to atoms/groups bonded to C-C (one atom/group bonded to each C) H<---> H eclipsed : 4 kJ/mol CH3 <---> H eclipsed: 6 kJ/mol CH3 <----> CH3 eclipsed: 11 kJ/mol CH3 <----> CH3 gauche staggered: 3.8 kJ/mol Select one: A. 15.2 kJ/mol B. 11.4 kJ/mol C. 3.8 kJ/mol D. 11 kJ/mol O E. 76 k.J/mol

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HW22

Consider 3,3-dimethylpentane. Using a Newman projection formula, draw the most stable conformation of a molecule of this, sighting along the C₂–C₃ bond. Compute the total strain energy for this conformation. Refer to strain energy values given below. 

---

Strain energies with respect to atoms/groups bonded to C-C (one atom/group bonded to each C):

- H <----> H eclipsed: 4 kJ/mol
- CH₃ <----> H eclipsed: 6 kJ/mol
- CH₃ <----> CH₃ eclipsed: 11 kJ/mol
- CH₃ <----> CH₃ gauche staggered: 3.8 kJ/mol

---

Select one:

A. 15.2 kJ/mol  
B. 11.4 kJ/mol  
C. 3.8 kJ/mol  
D. 11 kJ/mol  
E. 7.6 kJ/mol
Transcribed Image Text:Consider 3,3-dimethylpentane. Using a Newman projection formula, draw the most stable conformation of a molecule of this, sighting along the C₂–C₃ bond. Compute the total strain energy for this conformation. Refer to strain energy values given below. --- Strain energies with respect to atoms/groups bonded to C-C (one atom/group bonded to each C): - H <----> H eclipsed: 4 kJ/mol - CH₃ <----> H eclipsed: 6 kJ/mol - CH₃ <----> CH₃ eclipsed: 11 kJ/mol - CH₃ <----> CH₃ gauche staggered: 3.8 kJ/mol --- Select one: A. 15.2 kJ/mol B. 11.4 kJ/mol C. 3.8 kJ/mol D. 11 kJ/mol E. 7.6 kJ/mol
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