ArticleThe journal of physical chemistry. A2024
Investigation of the Proton-Bound Dimer of Dihydrogen Phosphate and Formate Using Infrared Spectroscopy in Helium Droplets.
Article in The journal of physical chemistry. A, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Halide Coordination Motifs in Deep Eutectic Solvent Building Blocks Characterized by Helium Nanodroplet Infrared Action Spectroscopy.The journal of physical chemistry. A · 2026Article
- Cryogenic Vibrational Spectroscopy of the Deprotonated Dimer of Phosphoric Acid.The journal of physical chemistry. A · 2026Article
- How to Use Quantum Chemistry for Analyzing Mass Spectrometry Data.Mass spectrometry (Tokyo, Japan) · 2026Review
- Elucidating reactive sugar-intermediates by mass spectrometry.Communications chemistry · 2025Review
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Authors and funding
7 authors.
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Abstract
Understanding the structural and dynamic properties of proton-bound complexes is crucial for elucidating fundamental aspects of chemical reactivity and molecular interactions. In this work, the proton-bound complex between dihydrogen phosphate and formate, and its deuterated counterparts, is investigated using IR action spectroscopy in helium droplets. Contrary to the initial expectation that the stronger phosphoric acid would donate a proton to formate, both experiment and theory show that all exchangeable protons are located in the phosphate moiety. The experimental spectra show good agreement with both scaled harmonic and VPT2 anharmonic calculations, indicating that anharmonic effects are small. Some H-bending modes of the nondeuterated complex are found to be sensitive to the helium environment. In the case of the partially deuterated complexes, the experiments indicate that internal dynamics leads to isomeric interconversion upon IR excitation.
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Registered trials
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