99 citations · 333 across the 13 of their papers we have counts for
8 papers · 1 filter
Atom Addition Formation of Thionylimide (HNSO) on Interstellar Dust Grains: Chemical routes requiring oxygen and nitrogen atom surface diffusion
Juan Carlos del Valle, Miguel Sanz-Novo, Johannes Kästner +4
We investigate the formation of the recently detected HNSO molecule using quantum chemical calculations on ices and astrochemical models in tandem. Our results indicate that HNSO i…
Carbon Atom Reactivity with Amorphous Solid Water: HO Catalyzed Formation of HCO
Germán Molpeceres, Johannes Kästner, Gleb Fedoseev +4
We report new computational and experimental evidence of an efficient and astrochemically relevant formation route to formaldehyde (HCO). This simplest carbonylic compound is c…
Hydrogenation of small aromatic heterocycles at low temperatures
April M. Miksch, Annalena Riffelt, Ricardo Oliveira +2
The recent wave of detections of interstellar aromatic molecules has sparked interest in the chemical behavior of aromatic molecules under astrophysical conditions. In most cases,…
Isomers in Interstellar Environments (I): The Case of Z- and E-Cyanomethanimine
Christopher N. Shingledecker, Germán Molpeceres, Víctor Rivilla +2
In this work, we present the results of our investigation into the chemistry of Z- and E-cyanomethanimine (HNCHCN), both of which are possible precursors to the nucleobase adenine.…
Efficient Production of S in Interstellar Ices: The effects of cosmic ray-driven radiation chemistry and non-diffusive bulk reactions
Christopher N. Shingledecker, Thanja Lamberts, Jacob C. Laas +4
In this work, we reexamine sulfur chemistry occurring on and in the ice mantles of interstellar dust grains, and report the effects of two new modifications to standard astrochemic…
Alcohols on the rocks: solid-state formation in a H3CCCH + OH cocktail under dark cloud conditions
D. Qasim, G. Fedoseev, T. Lamberts +5
A number of recent experimental studies have shown that solid-state complex organic molecules (COMs) can form under conditions that are relevant to the CO freeze-out stage in dense…
The Case of HCO Isomers, Revisited: Solving the Mystery of the Missing Propadienone
Christopher N. Shingledecker, Sonia Álvarez-Barcia, Viktoria H. Korn +1
To date, two isomers of HCO have been detected, namely, propynal (HCCCHO) and cylclopropenone (c-HCO). A third, propadienone (CHCCO), has thus far eluded observ…
Tunneling Reaction Kinetics for the Hydrogen Abstraction Reaction H + HS -> H + HS in the Interstellar Medium
Thanja Lamberts, Johannes Kästner
The hydrogen abstraction reaction between H and HS, yielding HS and H as products, has been studied within the framework of interstellar surface chemistry. High-temperature…