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January 1, 2026Physical Chemistry Chemical PhysicsOpen Access

Fluorination switches CO–arene binding to a π-hole regime, enabling nonclassical carbonyl behaviour

Imanol Usabiaga Weixing Li Camilla Calabrese Ahmet Altun Assimo Maris Sonia Melandri Giovanni Bistoni Luca Evangelisti

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Key Points

This research investigates how fluorination affects CO–arene interactions and transitions them to a distinct binding motif.
Conducted rotational spectroscopy to analyze CO–arene interactions after fluorination.
Fluorination switches CO–arene interactions to a nonclassical binding motif.
Rotational spectroscopy data support the presence of lp⋯π-hole interactions.

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Implication

Rotational spectroscopy reveals that fluorination changes CO–arene interactions to a nonclassical binding motif, indicating novel chemical behavior.

Abstract

Rotational spectroscopy reveals that fluorination switches CO–arene interactions to a nonclassical lp⋯π-hole binding motif.

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Cite This Study

Usabiaga et al. (2026) studied this question.

synapsesocial.com/papers/6a23bc5171a5da9775e779e9 https://doi.org/10.1039/d6cp01323f

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