Formation of Monocyclic and Polycyclic Hydrocarbons from Sequential Toluene Reactions in Coulomb Crystals.

G S Kocheril, C Zagorec-Marks, S H Allison, H J Lewandowski

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Article in The journal of physical chemistry. A, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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5 · Who and what money

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4 authors.

G S KocherilJILA, National Institute of Standards and Technology, and the University of Colorado, Boulder, Colorado 80309, United States of America.ORCID 0000-0003-1388-6472

C Zagorec-MarksJILA, National Institute of Standards and Technology, and the University of Colorado, Boulder, Colorado 80309, United States of America.ORCID 0000-0002-5637-3071

S H AllisonJILA, National Institute of Standards and Technology, and the University of Colorado, Boulder, Colorado 80309, United States of America.

H J LewandowskiJILA, National Institute of Standards and Technology, and the University of Colorado, Boulder, Colorado 80309, United States of America.ORCID 0000-0002-0995-552X

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Understanding the formation and reactivity of aromatic molecules is important for understanding chemistry in a wide range of environments, including the interstellar medium. The clear observation of polycyclic aromatic hydrocarbons (PAHs) in space has intensified efforts to identify efficient formation pathways capable of producing such complex species under cold, dilute conditions. In astrochemical environments, ion-molecule reactions are typically the dominant type of reactions due to their high efficiency compared to neutral-neutral reactions. However, current models of PAH formation largely neglect ion-molecule reactions beyond the initial formation of benzene. Here, we present results from a series of ion-molecule reactions carried out in Coulomb Crystals beginning with the protonation of toluene to identify possible reaction pathways that could lead to interstellar PAH growth. In this work, we observe the formation of monocyclic aromatic species, C

Identifiers

PMID42155061

DOI10.1021/acs.jpca.6c01167

PMCPMC13244555

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