The factors that control the solubility of a salt are many and varied. Now a set of salts with closely related cations suggests that weak London dispersion-controlled CH···π interactions can dominate solubility, despite the presence of much stronger forces.
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The author declares no competing interests.
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Scheiner, S. A foggy day in London dispersion town. Nat. Chem. 15, 1327–1328 (2023). https://doi.org/10.1038/s41557-023-01325-8