This year marks the 50th anniversary of Baird’s rules of aromaticity — a set of perturbational molecular orbital theory analyses that has garnered considerable attention in the past ten years in light of its many real-world applications in photochemistry.
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Karas, L.J., Wu, J.I. Baird’s rules at the tipping point. Nat. Chem. 14, 723–725 (2022). https://doi.org/10.1038/s41557-022-00988-z
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DOI: https://doi.org/10.1038/s41557-022-00988-z