Molecular Dynamics Simulations of Methane-Ammonia Ices Irradiated by Protons [0.03%]
质子辐照的甲烷-氨冰的分子动力学模拟
Alessandra Ricca,Justin B Haskins
Alessandra Ricca
Molecular dynamics (MD) calculations were carried out to simulate the solar wind irradiation, namely, H+, of methane-ammonia ices. To mimic a continuous ion bombardment of the ice, multiple impact cycles were performed on the ice target. Ea...
Energetic and Spectroscopic Insights into the C3H6O2 Isomer Family for Astrochemical Purposes [0.03%]
astrochemical purposes的C3H6O2异构体家族的能量和光谱见解
Alessandra Savarese,Silvia Alessandrini,Mattia Melosso et al.
Alessandra Savarese et al.
A computational protocol based on the minimum energy principle has been applied to the C3H6O2 isomer family, providing accurate energetic hierarchies and spectroscopic parameters relevant to astrochemistry. The calculations predict propanoi...
IR-Action Spectroscopy of the Astrochemically Relevant HCCS+ Cation [0.03%]
与天体化学相关的HCCS+阳离子的红外光谱学研究
Matteo Michielan,Kim Steenbakkers,Daniela Ascenzi et al.
Matteo Michielan et al.
The thioketenyl cation (HCCS+) has been recently detected in the dark cloud TMC-1 by radioastronomical observations within the QUIJOTE survey. However, the infrared (IR) spectrum of this ion is yet to be reported in the literature. Spectros...
Recurrent Fluorescence of Polycyclic Aromatic Hydrocarbon Isomers: A Comparative Study [0.03%]
多环芳烃异构体的荧光再发射:比较研究
Arun Subramani,James N Bull,Henrik Cederquist et al.
Arun Subramani et al.
Time-dependent unimolecular dissociation rates of the C12H8 isomers acenaphthylene (ACY) and biphenylene (BPY) cations were measured using a cryogenic electrostatic ion beam storage ring. The neutral, cyano-functionalized tracers of ACY, bu...
Nanoscale Observation of Nickel(II) Sequestration by Green Rust Sulfate [0.03%]
纳米观察硫酸盐绿锈对镍(II)的富集作用
Khondaker M N Alam,Junho Han,Bojeong Kim et al.
Khondaker M N Alam et al.
Green rust (GR) is a mixed-valent Fe-layered double hydroxide (Fe-(II)-Fe-(III)-LDH) mineral that is prevalent in reducing geochemical environments, where it exhibits high sorption and redox reactivity. Here, we examined the morphology and ...
Cosmic Silicate Surfaces Catalizing Prebiotic Reactions: Atomistic Modeling on the Polymerization of HCN [0.03%]
硅酸盐表面催化的前生命反应的原子模拟研究:HCN聚合反应
Niccolò Bancone,Stefano Pantaleone,Gerard Pareras et al.
Niccolò Bancone et al.
Hydrogen cyanide, HCN, is a fundamental building block in astro- and cosmochemical environments, known for its ability to form prebiotically relevant molecules such as nucleobases. Although its polymerization is inhibited under the cold, di...
Experimental VUV Photoionization of C70 and Vibrationally Resolved Spectra of the Excited Electronic States of the C70 + Cation [0.03%]
C70的实验极紫外光离子化及C70正离子激发态振动解析光谱
Lisa Ganner,Gustavo A Garcia,Martin Schwell et al.
Lisa Ganner et al.
The nature of the photoionization of fullerenes is of significant interest to molecular astrophysics and astrochemistry. The C60 + cation has been identified as a carrier of five of the diffuse interstellar bands (DIBs), and recent correlat...
Multiphase Ozone Oxidation of Catechol and Its Products after OH- and Light-Driven Processing [0.03%]
多相臭氧氧化邻苯二酚及其产物在OH和光驱动条件下的转化
Sithumi M Liyanage,Meredith Schervish,Habeeb H Al-Mashala et al.
Sithumi M Liyanage et al.
Phenolic compounds are some of the most abundant emissions of biomass burning during wildfires. Catechol, the most abundant isomer of benzenediol in biomass burning emissions, undergoes oxidation in the aqueous phase of cloud droplets to fo...
Isomer-Specific Branching Ratios in the Formation of Cyanopropene (C3H5CN) through the C3H6 + CN Reaction under Interstellar Conditions [0.03%]
星际条件下丙烯腈异构体的分支比研究:C₃H₆+CN反应生成氰基丙烯中的异构体分支比率研究
María Mallo,Marcelino Agúndez,Carlos Cabezas et al.
María Mallo et al.
We investigated the reaction of propene (C3H6) with the cyano radical (CN) in light of the recent detection of five cyanopropene isomers in TMC-1. To provide reliable branching ratios, we characterized the stationary points on the potential...
Effects of Wind Speed on Water Uptake, Phase State, and Viscosity of Sea Spray Aerosols [0.03%]
风速对海浪飞沫气溶胶吸水性、相态和黏度的影响
Chamika K Madawala,Mengnan Sun,Carolina Molina et al.
Chamika K Madawala et al.
This study investigates the effects of wind speed on physicochemical properties such as water uptake, phase state, and viscosity at varying relative humidity (RH) of individual nascent sea spray aerosols (SSAs). We examined SSA sized within...