What question did this study set out to answer?

Investigate the binding location of an additional proton in phenylium hydration products.

April 18, 2026ChemistryEurope0 citationsOpen Access

Cover Feature: Hydration of Phenylium: Oxonium or Carbenium Ion Formation? (ChemistryEurope 4/2026)

CRCorentin Rossi ARAnne P. Rasmussen JLJean‐Christophe Loison

Key Points

Investigate the binding location of an additional proton in phenylium hydration products.
Analyzed spectral fingerprints to study atomic rearrangements after reactive collisions.
Examined the hydration process of phenylium involving a phenol-like product.
Identified the binding site of the additional proton using spectroscopic techniques.
Determined whether the proton binds to the six-membered carbon ring or the oxygen atom.
Provided insights into the mechanisms of ion formation in reactive collisions.

Abstract

The Cover Feature shows how spectral fingerprints can probe atomic rearrangements after a reactive collision. Using phenylium hydration as a case study, U. Jacovella and co-workers reveal in their Research Article (DOI: 10.1002/ceur.70232) whether the additional proton in the phenol-like product binds to the six-membered carbon ring or the oxygen atom.

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