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Antiaromatic molecules form rare 3.3 Å slip-stacked dimers despite like-charge repulsion
- April 20, 2026 at 9:20 PM
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Aromatic molecules are known for their stable electronic structures. These molecules typically adopt planar geometries with delocalized π-electrons and can form assemblies through π–π stacking interactions. In contrast, antiaromatic molecules, which possess fundamentally different electronic structures, are inherently unstable, and it has been considered that their instability can be alleviated when two molecules fully overlap.
Originally published at Phys.org