Calicene, like azulene (Problem 15.17 ), has an unusually large dipole moment for a hydrocarbon.

step 1 Solving problem 35 of chapter 15. So we have a molecule called calicine and we know that it has

Calicene, like azulene (Problem 15.17 ), has an unusually...

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Key Concepts

Resonance Structures

Resonance structures are different Lewis representations of a molecule that demonstrate the delocalization of electrons. They illustrate that the actual electron distribution is a hybrid of multiple forms, allowing chemists to understand unusual electronic features such as partial charges and increased polarity even in molecules that lack overt electronegative functional groups.

Dipole Moment

The dipole moment is a quantitative measure of the separation of positive and negative charges within a molecule. It indicates the polarity of the molecule and arises from the distribution of electrons. In systems where resonance contributes to charge separation, the overall dipole moment can be larger than expected.

Charge Separation

Charge separation refers to the uneven distribution of electronic charge within a molecule, often arising from the delocalization depicted in resonance structures. This separation creates regions of partial positive and negative charge, which can significantly influence the molecule's polarity and reactivity.

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