Discovery of H2CCCH+ in TMC-1

W Silva, J Cernicharo, S Schlemmer… - Astronomy & …, 2023 - aanda.org
Based on a novel laboratory method, 14 millimeter-wave lines of the molecular ion H 2
CCCH+ have been measured in high resolution, and the spectroscopic constants of this …

Single molecule infrared spectroscopy in the gas phase

A Calvin, S Eierman, Z Peng, M Brzeczek… - Nature, 2023 - nature.com
Spectroscopy is a key analytical tool that provides valuable insight into molecular structure
and is widely used to identify chemical samples. Tagging spectroscopy is a form of action …

High-resolution ro-vibrational and rotational spectroscopy of HC 3 O+

O Asvany, S Thorwirth, PC Schmid… - Physical Chemistry …, 2023 - pubs.rsc.org
The ro-vibrational and pure rotational spectra of the linear ion HC3O+ have been
investigated in a 4 K cryogenic ion trap instrument. For this, a novel action spectroscopic …

Astronomical CH3+ rovibrational assignments-A combined theoretical and experimental study validating observational findings in the d203-506 UV-irradiated …

PB Changala, NL Chen, HL Le, B Gans… - Astronomy & …, 2023 - aanda.org
Context. The methyl cation (CH 3+) has recently been discovered in the interstellar medium
through the detection of 7 μm (1400 cm− 1) features toward the d203-506 protoplanetary …

[HTML][HTML] Electronic and vibrational spectroscopy of benzonitrile cation for astrochemical consideration

FC Daly, TE Douglas-Walker, J Palotás… - The Journal of …, 2024 - pubs.aip.org
The electronic and vibrational spectra of benzonitrile cation, C 6 H 5 CN+(BZN+), in the gas
phase at low temperatures are reported. Measurements were carried out using a cryogenic …

Cryogenic Ion Vibrational Spectroscopy of Protonated Valine: Messenger Tag Effects

LM Terry, MK Klumb, DJ Nemchick… - The Journal of …, 2024 - ACS Publications
We report the infrared photodissociation spectrum of tagged protonated valine in the range
1000–1900 cm–1, prepared in a cryogenic ion trap. Comparison of experimental results with …

Zero-Point-Energy Driven Isotopic Exchange of the [H3O] anion Probed by Mid-Infrared Action Spectroscopy

DF Dinu, M Ončák, S Thorwirth, KR Liedl… - Journal of the …, 2024 - ACS Publications
We present the first observation of vibrational transitions in the [H3O]− anion, an
intermediate in the anion–molecule reaction of water, H2O, and hydride, H–, using a laser …

High-resolution rovibrational and rotational spectroscopy of the singly deuterated cyclopropenyl cation, cC 3 H 2 D+

D Gupta, WGDP Silva, JL Doménech, E Plaar… - Faraday …, 2023 - pubs.rsc.org
Applying a novel action spectroscopic technique in a 4 K cryogenic ion-trap instrument, the
molecule c-C3H2D+ has been investigated by high-resolution rovibrational and pure …

Cold CAS ion trap–22 pole trap with ring electrodes for astrochemistry

P Jusko, M Jiménez-Redondo, P Caselli - Molecular Physics, 2024 - Taylor & Francis
The enhancement of a cryogenic radio frequency 22 pole trap instrument by the addition of
ring electrodes is presented in detail. The ring electrodes tightly surround the poles and only …

A cryogenic ion trap for single molecule vibrational spectroscopy

S Eierman, Z Peng, A Calvin, M Brzeczek… - Review of Scientific …, 2023 - pubs.aip.org
We report on an ion trapping system for performing a novel form of cryogenic messenger
spectroscopy with single molecule sensitivity. The system features a cryogenic radio …