Results 131 to 140 of about 10,194 (274)
The Astrophysical JournalInfrared (IR) spectral features of interstellar and solar system ices have been attributed to solid organic and inorganic compounds for over 50 yr, but in many cases the laboratory IR data needed to fully quantify such work have never been published ...
Reggie L. Hudson +2 more
doaj +1 more source
Detection of the simplest sugar, glycolaldehyde, in a solar-type protostar with ALMA
, 2012 Glycolaldehyde (HCOCH2OH) is the simplest sugar and an important intermediate in the path toward forming more complex biologically relevant molecules. In this paper we present the first detection of 13 transitions of glycolaldehyde around a solar-type ...
Beltrán +17 more
core +1 more source
Mechanisms of interstellar synthesis of glycine, alanine, and serine from aminonitriles, OH, and H2O
Bulletin of the Korean Chemical Society, Volume 45, Issue 6, Page 520-525, June 2024.Barrierless pathways for the formation of glycine, alanine, and serine from aminonitriles, OH, and H2O with catalytic H2O were obtained using CBS‐QB3 calculation, suggesting possible occurrence of the thermal reactions in interstellar ices. Abstract A new potential energy surface for forming glycine in the gas phase, starting from association of ...
Joong Chul Choe
wiley +1 more source
Water Vapor in the Inner 25 AU of a Young Disk around a Low-Mass Protostar
, 2010 Water is one of the key molecules in the physical and chemical evolution of star- and planet-forming regions. We here report the first spatially resolved observation of thermal emission of (an isotopologue of) water with the Plateau de Bure ...
Jorgensen, Jes K. +1 more
core +1 more source
The Cyanoketenyl Anion [NC3O]−
Angewandte Chemie, Volume 136, Issue 20, May 13, 2024.The synthesis and gram‐scale isolation of the elusive cyanoketenyl anion [NC3O]− is reported. Despite its cumulene‐like structure, it exhibits a bent geometry in the solid state, which is also confirmed by computational studies. The cyanoketenyl anion readily reacts with a series of small molecules such as CO2, H2O or NH3 to form more complex organic ...
Felix Krischer +4 more
wiley +1 more source
, 2007 The van der Waals dispersion coefficients of a set of polycyclic aromatic hydrocarbons, ranging in size from the single-cycle benzene to circumovalene (C66H20), are calculated with a real-time propagation approach to time-dependent density functional ...
Alberto Castro +9 more
core +3 more sources
Astrochemistry in an Ion Storage Ring
Journal of Physics: Conference Series, 2012 Storage ring studies of low energy electron collisions with molecular ions have been carried out for dissociative recombination (DR) of fluorine-bearing molecules. Here we report on work aiming to improve the understanding of astrochemistry involving HF, a possible spectroscopic tracer of interstellar H2.
Steffen Novotny +22 more
openaire +4 more sources
Frontiers in Chemistry, 2019 A full dimensional Potential Energy Surface (PES) of the CO + N2 system has been generated by extending an approach already reported in the literature and applied to N2-N2 (Cappelletti et al., 2008), CO2-CO2 (Bartolomei et al., 2012), and CO2-N2 ...
Andrea Lombardi +7 more
doaj +1 more source
Astrochemistry: the issue of molecular complexity in astrophysical environments [PDF]
2013, Bull. Soc. R. Sci. Li\`ege, 82, 33-94, 2013 Astrochemistry aims at studying chemical processes in astronomical environments. This discipline -- located at the crossroad between astrophysics and chemistry -- is rapidly evolving and explores the issue of the formation of molecules of increasing complexity in particular physical conditions that deviate significantly from those frequently ...
arxiv
Tentative detection of ethylene glycol toward W51/e2 and G34.3+0.2
, 2015 How complex organic - and potentially prebiotic - molecules are formed in regions of low- and high-mass star-formation remains a central question in astrochemistry.
Bergin, Edwin A. +3 more
core +1 more source