Rotational action spectroscopy of trapped molecular ions

O Asvany, S Schlemmer - Physical Chemistry Chemical Physics, 2021 - pubs.rsc.org
Rotational action spectroscopy is an experimental method in which rotational spectra of
molecules, typically in the microwave to sub-mm-wave domain of the electromagnetic …

Laboratory spectroscopy techniques to enable observations of interstellar ion chemistry

BA McGuire, O Asvany, S Brünken… - Nature Reviews …, 2020 - nature.com
Molecular ions have long been considered key intermediates in the evolution of molecular
complexity in the interstellar medium. However, owing to their reactivity and transient nature …

Proton–electron mass ratio by high-resolution optical spectroscopy of ion ensembles in the resolved-carrier regime

IV Kortunov, S Alighanbari, MG Hansen, GS Giri… - Nature physics, 2021 - nature.com
Optical spectroscopy in the gas phase is a key tool for elucidating the structure of atoms and
molecules and their interaction with external fields. The line resolution is usually limited by a …

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 …

A twist on the reaction of the CN radical with methylamine in the interstellar medium: new hints from a state-of-the-art quantum-chemical study

C Puzzarini, Z Salta, N Tasinato, J Lupi… - Monthly Notices of …, 2020 - academic.oup.com
Despite the fact that the majority of current models assume that interstellar complex organic
molecules (iCOMs) are formed on dust–grain surfaces, there is some evidence that neutral …

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 …

[HTML][HTML] Laboratory gas-phase vibrational spectra of [C3H3]+ isomers and isotopologues by IRPD spectroscopy

AN Marimuthu, D Sundelin, S Thorwirth… - Journal of Molecular …, 2020 - Elsevier
Gas phase vibrational spectra of [C 3 H 3]+ isomers and their fully deuterated isotopologues
measured in a cryogenic 22-pole ion trap are presented. The widely tunable free electron …

[HTML][HTML] Structural characterization of [M, C, 2H]+ products formed by reaction of 5d metal cations Pt+ and Ir+ with ethylene oxide and Ta+ with methane using …

JM Bakker, CJ Owen, SW Nooteboom… - Journal of Molecular …, 2021 - Elsevier
Structural characterization of gas-phase [M, C, 2H]+(M= Ta, Ir, Pt), formed by reacting laser
ablation formed M+ with ethylene oxide (cC 2 H 4 O) or methane under multiple collision …

Descendant of the X-ogen carrier and a 'mass of 69': infrared action spectroscopic detection of HC3O+ and HC3S+

S Thorwirth, ME Harding, O Asvany, S Brünken… - Molecular …, 2020 - Taylor & Francis
The carbon chain ions HC 3 O+ and HC 3 S+–longer variants of the famous 'X-ogen'line
carrier HCO+–have been observed for the first time using two cryogenic 22-pole ion trap …

Combined experimental and computational study of the reactivity of the methanimine radical cation (H 2 CNH˙+) and its isomer aminomethylene (HCNH 2˙+) with …

V Richardson, D Sundelin, C Romanzin… - Physical Chemistry …, 2024 - pubs.rsc.org
The gas phase reactivity of the radical cation isomers H2CNH˙+(methanimine) and
HCNH2˙+(aminomethylene) with propene (CH3CHCH2) has been investigated by …