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  Infrared Spectroscopy of Fluorenyl Cations at Cryogenic Temperatures

Greis, K., Kirschbaum, C., Ober, K., Taccone, M., Torres-Boy, A. Y., Meijer, G., et al. (2023). Infrared Spectroscopy of Fluorenyl Cations at Cryogenic Temperatures. The Journal of Physical Chemistry Letters, 14(50), 11313-11317. doi:10.1021/acs.jpclett.3c02928.

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Item Permalink: https://hdl.handle.net/21.11116/0000-000E-165A-5 Version Permalink: https://hdl.handle.net/21.11116/0000-000E-3923-B
Genre: Journal Article

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2023
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 Creators:
Greis, Kim1, Author           
Kirschbaum, Carla1, Author           
Ober, Katja1, Author           
Taccone, Martin1, Author           
Torres-Boy, América Y.1, Author                 
Meijer, Gerard1, Author                 
Pagel, Kevin1, Author           
Helden, Gert von1, Author                 
Affiliations:
1Molecular Physics, Fritz Haber Institute, Max Planck Society, ou_634545              

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 Abstract: The notion of (anti)aromaticity is a successful concept in chemistry to explain the structure and stability of polycyclic hydrocarbons. Cyclopentadienyl and fluorenyl cations are among the most studied classical antiaromatic systems. In this work, fluorenyl cations are investigated by high-resolution gas-phase infrared spectroscopy in helium droplets. Bare fluorenyl cations are generated in the gas phase by electrospray ionization. After mass-to-charge selection, ions are captured in ultracold helium nanodroplets and probed by infrared spectroscopy using a widely tunable free-electron laser in the 600–1700 cm-1 range. The highly resolved cryogenic infrared spectra confirm, in combination with DFT computations, that all cations are present in their singlet states.

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Language(s): eng - English
 Dates: 2023-10-192023-12-052023-12-082023-12-21
 Publication Status: Issued
 Pages: 5
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1021/acs.jpclett.3c02928
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Title: The Journal of Physical Chemistry Letters
  Abbreviation : J. Phys. Chem. Lett.
Source Genre: Journal
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Publ. Info: Washington, DC : American Chemical Society
Pages: 5 Volume / Issue: 14 (50) Sequence Number: - Start / End Page: 11313 - 11317 Identifier: ISSN: 1948-7185
CoNE: https://pure.mpg.de/cone/journals/resource/1948-7185