por Albert Rimola | Dic 12, 2025 | Publication
Crystalline forsterite surface significantly catalyzes the tetramerization of hydrogen cyanide into prebiotic diaminomaleonitrile at temperatures above 300 K, particularly when assisted by water, suggesting Mg-rich silicates could drive key prebiotic chemistry on...
por Albert Rimola | Dic 12, 2025 | Publication
Reliable binding energies for 19 interstellar complex organic molecules on realistic water ice surfaces, calculated via a quantum chemical approach, are crucial for accurately modeling their snow lines and solid-to-gas transitions in cosmic regions like hot cores and...
por Albert Rimola | Dic 12, 2025 | Publication
Porous, fractal dust grains likely exist across various cosmic environments and critically influence astrochemical processes by increasing surface area and accessibility, warranting their inclusion in future models for accurate astrophysical and astrobiological...
por Albert Rimola | Dic 12, 2025 | Publication
The higher observed abundance of interstellar methylformate over glycolaldehyde is better explained by methylformate’s weaker binding energy on icy grains, facilitating its desorption, rather than by differences in the reaction barriers for their surface...
por Albert Rimola | Dic 12, 2025 | Publication
Quantum chemical calculations reveal water ice mantles on interstellar grains catalyze the formation of orthosilicic acid (Si(OH)₄) from SiO, providing a low-temperature pathway for silicate dust formation in dense clouds. Silicon monoxide (SiO), a diatomic molecule...
por Albert Rimola | Dic 12, 2025 | Publication
Computational comparisons of pre-exponential factor models for desorption from ices recommend using the approaches by Tait and Campbell, which provide consistent temperature predictions based on tabulated data while offering a cost-effective strategy for including...
