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Spectroscopy of N-methylpyrrole-RG (RG = Ar, Kr) complexes: First excited neutral and ground cationic states

Davies, Alexander R.; Haynes, Jessica T.L.; Wright, Timothy G.

Spectroscopy of N-methylpyrrole-RG (RG = Ar, Kr) complexes: First excited neutral and ground cationic states Thumbnail


Authors

Alexander R. Davies

Jessica T.L. Haynes

Timothy G. Wright



Abstract

N-methylpyrrole-RG (RG = Ar, Kr) complexes are investigated using resonance-enhanced multiphoton ionization (REMPI) and zero-electron-kinetic-energy (ZEKE) spectroscopy. The RG atom makes the electronic transition to the S1 state allowed, and the REMPI spectrum is blue-shifted compared to the N-methylpyrrole origin, with no bands associated with vibrational excitation of the N-methylpyrrole moiety. The nature of the electronic structure of the S1 state is discussed. Binding energies are obtained for all three electronic states. Adiabatic ionization energies are obtained from the ZEKE spectra, yielding values of 64077 ± 5 cm−1 and 64029 ± 5 cm−1 for RG = Ar and Kr, respectively.

Citation

Davies, A. R., Haynes, J. T., & Wright, T. G. (2022). Spectroscopy of N-methylpyrrole-RG (RG = Ar, Kr) complexes: First excited neutral and ground cationic states. Chemical Physics Letters, 803, Article 139800. https://doi.org/10.1016/j.cplett.2022.139800

Journal Article Type Article
Acceptance Date Jun 15, 2022
Online Publication Date Jun 19, 2022
Publication Date Sep 16, 2022
Deposit Date Jul 7, 2022
Publicly Available Date Jul 7, 2022
Journal Chemical Physics Letters
Print ISSN 0009-2614
Publisher Elsevier
Peer Reviewed Peer Reviewed
Volume 803
Article Number 139800
DOI https://doi.org/10.1016/j.cplett.2022.139800
Keywords Physical and Theoretical Chemistry; General Physics and Astronomy
Public URL https://nottingham-repository.worktribe.com/output/8854218
Publisher URL https://www.sciencedirect.com/science/article/pii/S0009261422004675?via%3Dihub

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