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4n+2

Rules For Aromaticity

In the last post we introduced the concept of aromaticity, a property of some unusually stable organic molecules such as benzene. Although some aromatic molecules are

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What does 4n+2 mean?

The other night a student came to me with a question about aromaticity. “There’s one thing I don’t get”, she said. “They say a molecule

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Antiaromaticity

What are the key factors that determine whether a molecule is antiaromatic? In our previous posts in our series on aromaticity [intro to aromaticity], [rules

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