The ν₁ Vibrational Mode Of Hc₃o⁺ Observed At High Spectral Resolution

Thorwirth, Sven

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https://hdl.handle.net/2142/111116 Copy

Description

Title

The ν₁ Vibrational Mode Of Hc₃o⁺ Observed At High Spectral Resolution

Author(s)

Thorwirth, Sven

Contributor(s)

• Schlemmer, Stephan
• Harding, Michael E.
• Asvany, Oskar

Issue Date

2021-06-22

Keyword(s)

Ions

Abstract

Following-up on our recent infrared photodissociation (IRPD) spectroscopic detection of the linear Ne-tagged HC$_3$O$^+$ molecular ion,\footnote{S. Thorwirth, M. E. Harding, O. Asvany, S. Brünken, P. Jusko, K. L. K Lee, T. Salomon, M. C. McCarthy, and S. Schlemmer 2020, Mol. Phys. 118, e1776409} the C-H stretching mode $\nu_1$ of bare HC$_3$O$^+$ has now been studied at high spectral resolution. The spectrum was observed using a 4~K cryogenic ion trap apparatus at Cologne (COLtrap) and a cw optical parametric oscillator using the method of laser-induced inhibition of complex growth (LIICG) with helium as tagging agent. Fifteen rotational-vibrational transitions were observed, covering $P(8)$ to $R(6)$. The band origin is found at 3237.1\,cm$^{-1}$ and hence blueshifted by some 5\,cm$^{-1}$ compared to that of the HC$_3$O$^+-$Ne weakly bound complex probed earlier in the IRPD study.

Publisher

International Symposium on Molecular Spectroscopy

Type of Resource

Text

Language

eng

Permalink

http://hdl.handle.net/2142/111116

DOI

10.15278/isms.2021.TL05

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