Gas-phase infrared spectroscopy of neutral peptides: Insights from the far-IR and THz domain

S Bakels, MP Gaigeot, AM Rijs - Chemical reviews, 2020 - ACS Publications
Gas-phase, double resonance IR spectroscopy has proven to be an excellent approach to
obtain structural information on peptides ranging from single amino acids to large peptides …

Noncovalent interactions steer the formation of polycyclic aromatic hydrocarbons

DB Rap, JGM Schrauwen, B Redlich… - Journal of the …, 2024 - ACS Publications
Aromatic molecules play an important role in the chemistry of astronomical environments
such as the cold interstellar medium (ISM) and (exo) planetary atmospheres. The observed …

[HTML][HTML] C60+ as a diffuse interstellar band carrier; a spectroscopic story in 6 acts

H Linnartz, J Cami, M Cordiner, NLJ Cox… - Journal of Molecular …, 2020 - Elsevier
In 2019 it was exactly 100 years ago that the first two DIBs, diffuse interstellar bands, were
discovered by Mary Lea Heger. Today some 500+ DIBs are known. In numerous …

Off the Beaten Path: Almost Clean Formation of Indene from the ortho-Benzyne + Allyl Reaction

MN McCabe, P Hemberger, E Reusch… - The journal of …, 2020 - ACS Publications
Polycyclic aromatic hydrocarbons (PAHs) play an important role in chemistry both in the
terrestrial setting and in the interstellar medium. Various, albeit often inefficient, chemical …

Formation of the acenaphthylene cation as a common C 2 H 2-loss fragment in dissociative ionization of the PAH isomers anthracene and phenanthrene

S Banhatti, DB Rap, A Simon, H Leboucher… - Physical Chemistry …, 2022 - pubs.rsc.org
Polycyclic aromatic hydrocarbons (PAHs) are thought to be a major constituent of
astrophysical environments, being the carriers of the ubiquitous aromatic infrared bands …

Ionic fragmentation products of benzonitrile as important intermediates in the growth of polycyclic aromatic hydrocarbons

DB Rap, JGM Schrauwen, B Redlich… - Physical Chemistry …, 2024 - pubs.rsc.org
In various astronomical environments such as the interstellar medium or (exo) planetary
atmospheres, an interplay of bottom-up growth and top-down destruction processes of …

Fragmentation of the PAH cations of Isoviolanthrene and Dicoronylene: A case made for interstellar cyclo [n] carbons as products of universal fragmentation processes

HR Hrodmarsson, J Bouwman, AGGM Tielens… - International Journal of …, 2023 - Elsevier
The photo-induced fragmentation pathways of the cationic forms of isoviolanthrene (C 34 H
18) and dicoronylene (C 48 H 20) are systematically studied with mass spectrometry …

Similarities and dissimilarities in the fragmentation of polycyclic aromatic hydrocarbon cations: A case study involving three dibenzopyrene isomers

HR Hrodmarsson, J Bouwman, AGGM Tielens… - International Journal of …, 2022 - Elsevier
The photon induced fragmentation behavior of the cations of three dibenzopyrene (C 24 H
14) isomers (DBPae, DBPah and DBPal) is studied in a series of systematic mass …

Why Do Large Ionized Polycyclic Aromatic Hydrocarbons Not Lose C2H2?

BJ West, L Lesniak, PM Mayer - The Journal of Physical Chemistry …, 2019 - ACS Publications
The reaction mechanisms for the loss of C2H2 from the ions of anthracene, phenanthrene,
tetracene, and pyrene were calculated at the B3-LYP/6-311++ G (2d, p) level of theory and …

Fingerprinting fragments of fragile interstellar molecules: dissociation chemistry of pyridine and benzonitrile revealed by infrared spectroscopy and theory

DB Rap, A Simon, K Steenbakkers… - Faraday …, 2023 - pubs.rsc.org
The cationic fragmentation products in the dissociative ionization of pyridine and
benzonitrile have been studied by infrared action spectroscopy in a cryogenic ion trap …