Solution Found!
Single bonds generally experience free rotation at room
Chapter 2, Problem 2.67(choose chapter or problem)
Single bonds generally experience free rotation at room temperature (as will be discussed in more detail in Chapter 4): Free rotation of single bond Nevertheless, the single bond shown below exhibits a large barrier to rotation. In other words, the energy of the system is greatly increased if that bond is rotated. Explain the source of this energy barrier. (Hint: Think about the atomic orbitals being used to form the conduit.) ! !
Questions & Answers
QUESTION:
Single bonds generally experience free rotation at room temperature (as will be discussed in more detail in Chapter 4): Free rotation of single bond Nevertheless, the single bond shown below exhibits a large barrier to rotation. In other words, the energy of the system is greatly increased if that bond is rotated. Explain the source of this energy barrier. (Hint: Think about the atomic orbitals being used to form the conduit.) ! !
ANSWER:Step 1 of 2
In the cationic compound, a resonance structure can be formed by moving the double
bond over.
This gives the bond in question a partial double bond character, and rotation around a double bond is not allowed.