Rajooji yiytaaɗi e isomereeji COM e nder ISM ina ndokka humpitooji nafooji ko faati e kemikal e fisik gaasuuji, e ko sakkitii koo, daartol duule moolanaaɗe.
Ko woni e asid c-HCOOH e nder ƴiiƴam toowɗam ko 6% tan e ko woni e isomer c-HCOOH, tee iwdi mum ina heddii ko anndaaka. Ɗoo eɗen paamtina woodgol c-HCOOH e nder duule moolanaaɗe ɓaleeje e halkaare e ustaare c-HCOOH e t-HCOOH e nder cirƴe tawa ina waɗi HCOOH e moolanaaɗe keewɗe no feewi ko wayi no HCO+ e NH3.
En kuutoriima feere ab initio yaajnde ngam hiisaade peccitagol semmbe potngol wonande laabi c-HCOOH e t-HCOOH peccitagol/cikko. Koolondiral tolno aduna e geɗe branching hiisaama tuugnaade e miijo ngonka mbayliigu e mbaadi pottital mawngal e nder sarɗiiji ISM tippudi.
HCOOH ina halka so jokkondirii e HCO+ e nder faɗo gaas ngam waɗde isomeeruuji tati katyon HC(OH)2+. Kationuuji ɓurɗi heewde ɗii ina mbaawi jokkondirde e molekule goɗɗe keewɗe e nder ISM, ko wayi no NH3, e nder daawal ɗiɗaɓal ngam waylude c-HCOOH e t-HCOOH. Ndee feere ina fammina peeñgol c-HCOOH e nder duule moolanaaɗe ɓaleeje. So en teskiima ngool laawol, keewal c-HCOOH e t-HCOOH ko 25,7 %.
Ngam faamninde 6% e ƴeewndorɗe cifaaɗe ɗee, eɗen njiɗi ƴeewtaade feere ɓeydunde ngam halkude katyon HCOOH. Laawol asid-base (SAB) gonngol e ndeeɗoo golle ina waɗi feere yaawnde e molekulaaji keewɗi no feewi e ISM.
Ko ɗum waɗi HCOOH ina waawi waɗde waylo-waylo ngo min cifondiri e ngonkaaji duule moolanaaɗe niɓɓiɗe. Ko ɗum feere hesere nder isomerism moolanaande e nder ISM, ina waawi etaade faamninde jokkondire hakkunde isomereeji moolanaaɗi tawaaɗi e nder ISM.
John Garsiya, Isasen Jimenes-Serra, Jose Karlos Kolkado, Germaine Morpeceres, Antonio Martines-Henares, Viktoor M. Rivera, Laura Korsi, Iisaa Martin-Painde
Fannuuji: Fisik tagofeere (astro-ph.GA), Fisik kemikal (physical.chem-ph) Cifaaɗe ɗee ko: arXiv:2301.07450 [astro-ph.GA] (walla ndeeɗoo mbaydi arXiv:2301.07450v1 [astro-ph.GA] ) Yarkomaa 2023 11:45:25 UTC (1909 KB) Anndal nguurndam koode, ganndal koode
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