Fevering Interstellar Ices Have More CH<sub>3</sub>OD
نویسندگان
چکیده
Monodeuterated methanol is thought to form during the prestellar core stage of star formation. Observed variations in CH2DOH/CH3OD ratio suggest that its formation strongly dependent on surrounding cloud conditions. Thus, it a potential tracer physical conditions before onset A single-point model representative typical coupled chemical models investigate pathways toward deuterated at stage. Simple addition reactions H and D are not able reproduce observed abundances. The implementation an experimentally verified abstraction scheme leads efficient methyl-deuterated methanol, but lacks sufficient hydroxy-deuterated methanol. CH3OD most likely formed later evolutionary stage, potentially from H–D exchange warm ices between HDO (and D2O) CH3OH. appropriate might be better suited as ice heating.
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ژورنال
عنوان ژورنال: ACS earth and space chemistry
سال: 2022
ISSN: ['2472-3452']
DOI: https://doi.org/10.1021/acsearthspacechem.1c00340