Ti ratios leti xiyiweke ta COM isomers eka ISM tinyika vuxokoxoko bya nkoka mayelana na ti khemikhali na physics ya tigasi naswona, ekuheteleleni, matimu ya mapapa ya molecule.
Nhlayo ya c-HCOOH acid eka cold core i ntsena 6% wa nhlayo ya c-HCOOH isomer, naswona masungulo ya yona ya ha tiveki. Laha hi hlamusela vukona bya c-HCOOH eka mapapa ya ti molecule ta ntima hiku onhiwa naku hungutiwa ka c-HCOOH na t-HCOOH hi nkarhi wa swirhendzevutani leswi katsaka HCOOH na ti molecules totala swinene tofana na HCO+ na NH3.
Hi tirhise endlelo ra ab initio leri andlariweke ku hlayela ku hangalasiwa ka eneji loku nga vaka kona eka tindlela ta c-HCOOH na t-HCOOH ku tshoveka/ku rhendzeleka. Ti global rate constants na branching factors swi hlayiwile kuya hi transition state theory na xivumbeko xa master equation ehansi ka swiyimo swa ISM leswi tolovelekeke.
HCOOH yi herisiwa loko yi tirhisana na HCO+ eka xiphemu xa gasi ku endla ti isomers tinharhu ta HC(OH)2+ cation. Ti cations leti tolovelekeke swinene tinga endla reaction na ti molecules tin’wana leti tolovelekeke eka ISM, kufana na NH3, eka goza ravumbirhi ku hundzula c-HCOOH na t-HCOOH. Endlelo leri ri hlamusela ku vumbiwa ka c-HCOOH eka mapapa ya molekhuli ya ntima. Loko hi tekela enhlokweni endlelo leri, xiphemu xa c-HCOOH loko xi pimanisiwa na t-HCOOH a xi ri 25.7%.
Ku hlamusela 6% lowu vikiweke wa swibumabumelo, hi ringanyeta ku languta endlelo ro engetela ro onhiwa ka cation ya HCOOH. Endlelo ra sequential acid-base (SAB) leri ringanyetiweke eka ntirho lowu ri katsa endlelo ro hatlisa ra ti molecule leti tolovelekeke swinene eka ISM.
Hikokwalaho, HCOOH yinga endleka kuva yi hundza eka ku cinca loku hi ku ringanyeteke ehansi ka swiyimo swa mapapa ya molekhuli ya munyama. Leri i endlelo ra novhele endzeni ka isomerism ya timolekhuli ta organic eka ISM, leri nga ringetaka ku hlamusela vuxaka exikarhi ka ti isomers ta timolekhuli ta organic leti kumekaka eka ISM.
John Garcia, Isascen Jimenez-Serra, Jose Carlos Colchado, Germaine Morpeceres, Antonio Martinez-Henares, Vhictor M. Rivera, Laura Corzi, Yesu Martin-Painde, na vona va vula leswaku va ta va na vona
Tinhlokomhaka: Fizikisi ya Tinyeleti ya Galactic (astro-ph.GA), Fizikisi ya Tikhemikhali (physical.chem-ph) Yi tshahiwile tanihi: arXiv:2301.07450 [astro-ph.GA] (kumbe vuhundzuluxeri lebyi arXiv:2301.07450v1 [astro-ph.GA] ) Matimu ya ku tinyiketela hi: Juan Garcia de la Concepción [v1] Ravunharhu 18 Ndzhati 2023 11:45:25 UTC (1909 KB) https://arxiv.org/abs/2301.07450 Ntivo-vutomi bya tinyeleti, tikhemikhali ta tinyeleti
Musunguri-kulobye wa SpaceRef, xirho xa Explorers Club, khale ka xirho xa NASA, xirho xa ntlawa wa nsimu, muteki wa mahungu wa le xibakabakeni na astrobiology na mukhandziyi loyi a balekaka.