Ion Spectroscopy in the Context of the Diffuse Interstellar Bands: A Case Study with the Phenylacetylene Cation

TE Douglas-Walker, EK Campbell… - ACS Earth and Space …, 2024 - ACS Publications
Identification of the molecular carriers of diffuse interstellar bands (DIBs) requires gas phase
electronic spectra of suitable candidate structures. Recording the spectra of these in the …

High Resolution Rovibrational Spectroscopy of the ν6 and ν3 + ν7 Bands of H2CCCH+

JL Doménech, WGDP Silva, EA Michael… - The Journal of …, 2024 - ACS Publications
The molecular ion H2CCCH+ has been further investigated in a 4 K cryogenic ion trap
instrument employing the leak-out spectroscopy (LOS) method. Transitions within two …

Gas-Phase Infrared Action Spectroscopy of CH2Cl+ and CH3ClH+: Likely Protagonists in Chlorine Astrochemistry

S Thorwirth, K Steenbakkers, T Danowski, PC Schmid… - Molecules, 2024 - mdpi.com
Two fundamental halocarbon ions, CH2Cl+ and CH3ClH+, were studied in the gas phase
using the FELion 22-pole ion trap apparatus and the Free Electron Laser for Infrared …

Rotationally Resolved Spectroscopy of a Single Polyatomic Molecule

A Calvin, M Brzeczek, S Kresch, E Lane… - arXiv preprint arXiv …, 2024 - arxiv.org
We report the rotationally resolved spectrum of a single polyatomic molecular ion in the gas
phase. Building upon the recently developed inelastic recoil spectroscopy (IRS) technique …