is-the-molecule-below-nonaromatic-antiaromatic-or-aromatic-if-the-molecule-is-ar

Question

Is the molecule below nonaromatic, antiaromatic, or aromatic? If the molecule is aromatic, calculate its n in Hückel’s rule. If not, identify which aromaticity rule it breaks.

Accepted Answer

The molecule is antiaromatic. It does not have 4n + 2 π electrons.

Answer

The molecule is nonaromatic. The molecule is not planar and does not have a fully conjugated π system.

Answer

The molecule is aromatic. Its n is 3.

Answer

The molecule is nonaromatic. It does not violate any aromaticity rule.

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Is the molecule below nonaromatic, antiaromatic, or aromatic? If the molecule is aromatic, calculate its n in Hückel’s rule. If not, identify which aromaticity rule it breaks.