ArticleAngewandte Chemie (International ed. in English)2021
Radical-Pairing Interactions in a Molecular Switch Evidenced by Ion Mobility Spectrometry and Infrared Ion Spectroscopy.
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.
- Analytical applications of gas-phase ion chemistry enabled by mass spectrometry.Analytical methods : advancing methods and applications · 2026Review
- Isomeric Speciation of Bisbenzoxazine Intermediates by Ion Spectroscopy and Ion Mobility Mass Spectrometry.ACS omega · 2024Article
- Ion Mobility Mass Spectrometry for Large Synthetic Molecules: Expanding the Analytical Toolbox.Journal of the American Chemical Society · 2024Review
- Exploring the Gas-Phase Formation and Chemical Reactivity of Highly Reduced MAngewandte Chemie (International ed. in English) · 2022Article
- Cation-π Interactions between a Noble Metal and a Polyfunctional Aromatic Ligand: AgChemistry (Weinheim an der Bergstrasse, Germany) · 2022Article
- Radical-Pairing Interactions in a Molecular Switch Evidenced by Ion Mobility Spectrometry and Infrared Ion Spectroscopy.Angewandte Chemie (International ed. in English) · 2021Article
Corrections and comments
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Authors and funding
11 authors.
Funding
Abstract
The digital revolution sets a milestone in the progressive miniaturization of working devices and in the underlying advent of molecular machines. Foldamers involving mechanically entangled components with modular secondary structures are among the most promising designs for molecular switch-based applications. Characterizing the nature and dynamics of their intramolecular network following the application of a stimulus is the key to their performance. Here, we use non-dissociative electron transfer as a reductive stimulus in the gas phase and probe the consecutive co-conformational transitions of a donor-acceptor oligorotaxane foldamer using electrospray mass spectrometry interfaced with ion mobility and infrared ion spectroscopy. A comparison of collision cross section distributions for analogous closed-shell and radical molecular ions sheds light on their respective formation energetics, while variations in their respective infrared absorption bands evidence changes in intramolecular organization as the foldamer becomes more compact. These differences are compatible with the advent of radical-pairing interactions.
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Registered trials
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