ArticleAngewandte Chemie (International ed. in English)2021
Double Proton Transfer Across a Table: The Formic Acid Dimer-Fluorobenzene Complex.
Article in Angewandte Chemie (International ed. in English), 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed, 16 citations in OpenAlex.
- Environment Rearrangement Slows Down the Tunneling Rates of Proton Transfer in Sandwich-Like Molecular Clusters.The journal of physical chemistry letters · 2026Article
- Quantum mechanical and machine learning prediction of rotational energy barriers in halogenated aromatic alcohols.Journal of molecular modeling · 2025Article
- Scaling of Rotational Constants.Molecules (Basel, Switzerland) · 2024Article
- Stacked but not Stuck: Unveiling the Role of π→π* Interactions with the Help of the Benzofuran-Formaldehyde Complex.Angewandte Chemie (International ed. in English) · 2022Article
- Hydrogen Delocalization in an Asymmetric Biomolecule: The Curious Case of Alpha-Fenchol.Molecules (Basel, Switzerland) · 2021Article
- Double Proton Transfer Across a Table: The Formic Acid Dimer-Fluorobenzene Complex.Angewandte Chemie (International ed. in English) · 2021Article
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Authors and funding
3 authors at 2 institutions in 2 countries.
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No grant is acknowledged in the PubMed record.
Abstract
Proton transfer via tunneling is a fundamental quantum-mechanical phenomenon. We report rotational spectroscopy measurements of this process in the complex of the formic acid dimer with fluorobenzene. The assignment of the spectrum indicates that this complex exists in the form of a π-π stacked structure. Each rotational transition of the parent isotopologue exhibits splitting. Isotopic substitution experiments show that the spectral splitting results from double-proton transfer tunneling in the formic acid dimer. Presence of fluorobenzene as a neighboring molecule does not quench the double proton transfer in the formic acid dimer but decreases its tunneling splitting from 341(3) MHz to 267.608(1) MHz. Calculations suggest that the presence of the weakly bounded fluorobenzene does not influence the activation energy of the proton transfer. The fluorobenzene is reoriented with respect to the formic acid dimer during the course of the reaction, slowing down the proton transfer motion.
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