2018 census of interstellar, circumstellar, extragalactic, protoplanetary disk, and exoplanetary molecules

BA McGuire - The Astrophysical Journal Supplement Series, 2018 - iopscience.iop.org
To date, 204 individual molecular species, comprised of 16 different elements, have been
detected in the interstellar and circumstellar medium by astronomical observations. These …

Quantum astrochemical spectroscopy

RC Fortenberry - International Journal of Quantum Chemistry, 2017 - Wiley Online Library
In this review, the origins of astrochemistry and the initial applications of quantum chemistry
to the discovery of new molecules in space are discussed. Furthermore, more recent …

2021 census of interstellar, circumstellar, extragalactic, protoplanetary disk, and exoplanetary molecules

BA McGuire - The Astrophysical Journal Supplement Series, 2022 - iopscience.iop.org
To date, 241 individual molecular species, composed of 19 different elements, have been
detected in the interstellar and circumstellar medium by astronomical observations. These …

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 …

Interstellar anions: the role of quantum chemistry

RC Fortenberry - The Journal of Physical Chemistry A, 2015 - ACS Publications
Six anions have been conclusively detected in the interstellar medium (ISM). They all arrived
within a five-year window ending five years ago. Why have no new anions been detected? It …

Chemical complexity in the Horsehead photodissociation region

VV Guzmán, J Pety, P Gratier, JR Goicoechea… - Faraday …, 2014 - pubs.rsc.org
The interstellar medium is known to be chemically complex. Organic molecules with up to 11
atoms have been detected in the interstellar medium, and are believed to be formed on the …

On the Detectability of the HSS, HSO, and HOS Radicals in the Interstellar Medium

RC Fortenberry, JS Francisco - The Astrophysical Journal, 2017 - iopscience.iop.org
Abstract XA 2 HSS has yet to be observed in the gas phase in the interstellar medium
(ISM). HSS has been observed in cometary material and in high abundance. However, its …

The molecular chemistry of diffuse and translucent clouds in the line-of-sight to Sgr B2: Absorption by simple organic and inorganic molecules in the GBT PRIMOS …

JF Corby, BA McGuire, E Herbst… - Astronomy & Astrophysics, 2018 - aanda.org
The 1–50 GHz PRebiotic Interstellar MOlecular Survey (PRIMOS) contains~ 50 molecular
absorption lines observed in clouds located in the line-of-sight to Sgr B2 (N). The line-of …

Strong theoretical support for the assignment of B11244 to l-C3H+

P Botschwina, C Stein, P Sebald… - The Astrophysical …, 2014 - iopscience.iop.org
Highly accurate quantum chemical calculations beyond CCSD (T) have been used to study
the molecular cation lC 3 H+ which is the carrier of harmonically related radio lines observed …

Terahertz-visible two-photon rotational spectroscopy of cold

S Lee, D Hauser, O Lakhmanskaya, S Spieler… - Physical Review A, 2016 - APS
We present a method to measure rotational transitions of molecular anions in the terahertz
domain by sequential two-photon absorption. Ion excitation by bound-bound terahertz …