An 18–25 GHz spectroscopic survey of southern hemisphere dense cores

Open Access

Table A.1

Dominant formation and destruction processes for each molecule in each core.

Reaction	HOPS108	Vela C	BHR71	G300.9	G304.76	G309.91	Cha2 MMS1		Cha2 C2		TMC-1
							high n	low n	high n	low n
NH₃ (production)
${N H}_{4}^{+}$ $Mathematical equation: $\[\mathrm{NH}_{4}^{+}\]$$ + e → NH₃ + H	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓
NH₃D⁺ + → NH₃ + D							✓		✓
NH₃ (destruction)
NH₃ + $H_{3}^{+}$ $Mathematical equation: $\[\mathrm{H}_{3}^{+}\]$$ → ${N H}_{4}^{+}$ $Mathematical equation: $\[\mathrm{NH}_{4}^{+}\]$$ + H₂	✓	✓	✓	✓	✓	✓		✓	✓	✓	✓
NH₃ + C⁺ → HCNH⁺ + H			✓	✓		✓
NH₃ + HCO⁺ → ${N H}_{4}^{+}$ $Mathematical equation: $\[\mathrm{NH}_{4}^{+}\]$$ + CO			✓			✓				✓	✓
NH₃ + H⁺ → ${N H}_{3}^{+}$ $Mathematical equation: $\[\mathrm{NH}_{3}^{+}\]$$ + H			✓	✓		✓	✓	✓
NH₃ + H₂D⁺ → NH₃D⁺ + H₂								✓	✓
NH₃ + CN → HCN + NH₂											✓
NH₃ + $D_{3}^{+}$ $Mathematical equation: $\[\mathrm{D}_{3}^{+}\]$$ → ${N H}_{2} D_{2}^{+}$ $Mathematical equation: $\[\mathrm{NH}_{2} \mathrm{D}_{2}^{+}\]$$ + HD							✓		✓

c-C₃H₂ (production)
$c - C_{3} H_{3}^{+}$ $Mathematical equation: $\[\mathrm{c}\text{-}\mathrm{C}_{3} \mathrm{H}_{3}^{+}\]$$ + e → c-C₃H₂ + H	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓
CH2CCH + H → c-C₃H₂ + H₂	✓						✓		✓	✓
$C_{5} H_{3}^{+}$ $Mathematical equation: $\[\mathrm{C}_{5} \mathrm{H}_{3}^{+}\]$$ + e → c-C₃H₂ + CCH											✓
c-C₃H₂D⁺ + e → c-C₃H₂ + D							✓		✓
c-C₃H₂ (destruction)
c-C₃H₂ + $H_{3}^{+}$ $Mathematical equation: $\[\mathrm{H}_{3}^{+}\]$$ → $c - C_{3} H_{3}^{+}$ $Mathematical equation: $\[\mathrm{c}\text{-}\mathrm{C}_{3} \mathrm{H}_{3}^{+}\]$$ + H₂	✓	✓	✓	✓	✓	✓		✓	✓	✓	✓
c-C₃H₂ + HCO⁺ → CO + $c - C_{3} H_{3}^{+}$ $Mathematical equation: $\[\mathrm{c}\text{-}\mathrm{C}_{3} \mathrm{H}_{3}^{+}\]$$			✓			✓				✓	✓
c-C₃H₂ + C⁺ → $C_{4}^{+}$ $Mathematical equation: $\[\mathrm{C}_{4}^{+}\]$$ + H₂			✓	✓
c-C₃H₂ + C⁺ → C₄H⁺ + H			✓	✓
c-C₃H₂ + H₂D⁺ → c-C₃H₂D⁺ + H₂								✓	✓		✓
c-C₃H₂ + $D_{3}^{+}$ $Mathematical equation: $\[\mathrm{D}_{3}^{+}\]$$ → $c - C_{3} {H D}_{2}^{+}$ $Mathematical equation: $\[\mathrm{c}\text{-}\mathrm{C}_{3} \mathrm{HD}_{2}^{+}\]$$ + HD							✓		✓
c-C₃H₂ + $D_{3}^{+}$ $Mathematical equation: $\[\mathrm{D}_{3}^{+}\]$$ → c-C₃H₂D⁺ + H₂							✓

c-C₃HD (production)
c-C₃H₂D⁺ + e → c-C₃HD + H	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓
$c - C_{3} {H D}_{2}^{+}$ $Mathematical equation: $\[\mathrm{c}\text{-}\mathrm{C}_{3} \mathrm{HD}_{2}^{+}\]$$ + e → c-C₃HD + H							✓	✓	✓
C₅H₂D⁺ + e → c-C₃HD + CCH											✓
c-C₃HD (destruction)
c-C₃HD + $H_{3}^{+}$ $Mathematical equation: $\[\mathrm{H}_{3}^{+}\]$$ → c-C₃H₂D⁺ + H₂	✓	✓	✓	✓	✓	✓		✓		✓	✓
c-C₃HD + $H_{3}^{+}$ $Mathematical equation: $\[\mathrm{H}_{3}^{+}\]$$ → $c - C_{3} H_{3}^{+}$ $Mathematical equation: $\[\mathrm{c}\text{-}\mathrm{C}_{3} \mathrm{H}_{3}^{+}\]$$ + HD	✓	✓	✓	✓	✓	✓		✓		✓	✓
c-C₃HD + HCO⁺ → c-C₃HD⁺ + CO			✓			✓				✓	✓
c-C₃HD + C⁺ → $C_{4}^{+}$ $Mathematical equation: $\[\mathrm{C}_{4}^{+}\]$$ + HD			✓	✓
c-C₃HD + H₂D⁺ → c-C₃H₂D⁺ + HD								✓	✓		✓
c-C₃HD + $D_{3}^{+}$ $Mathematical equation: $\[\mathrm{D}_{3}^{+}\]$$ → c-C₃H₂D⁺ + D₂							✓		✓
c-C₃HD + $D_{3}^{+}$ $Mathematical equation: $\[\mathrm{D}_{3}^{+}\]$$ → $c - C_{3} {H D}_{2}^{+}$ $Mathematical equation: $\[\mathrm{c}\text{-}\mathrm{C}_{3} \mathrm{HD}_{2}^{+}\]$$ + HD							✓		✓

CCS (production)
HC₂S⁺ + e → CCS + H	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓
HC₃S⁺ + e → CCS + CH	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓
C₃S⁺ + e → CCS + C	✓	✓	✓	✓	✓	✓		✓
DC₂S⁺ + e → CCS + D							✓	✓	✓
CCH + S → CCS+ H									✓
DC₃S⁺ + e → CCS + CD							✓		✓
CCS (destruction)
CCS + $H_{3}^{+}$ $Mathematical equation: $\[\mathrm{H}_{3}^{+}\]$$ → H₂CS⁺ + H₂	✓	✓	✓	✓	✓	✓		✓	✓	✓	✓
CCS + O → CS + CO	✓		✓	✓		✓				✓
CCS + H⁺ → C₂S⁺ + H				✓			✓	✓
CCS + H₂D⁺ → HC₂S⁺ + HD								✓	✓		✓
CCS + HCO⁺ → HC₂S⁺ + CO											✓
CCS + $D_{3}^{+}$ $Mathematical equation: $\[\mathrm{D}_{3}^{+}\]$$ → DC₂S⁺ + D₂							✓		✓

C₃S (production)
HC₃S⁺ + e → C₃S + H	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓
DC₃S⁺ + e → C₃S + D							✓	✓	✓		✓
HC₄S⁺ + e → C₃S + CH						✓					✓
C₃S (destruction)
C₃S + $H_{3}^{+}$ $Mathematical equation: $\[\mathrm{H}_{3}^{+}\]$$ → HC₃S⁺ + H₂	✓	✓	✓	✓	✓	✓		✓	✓	✓	✓
C₃S + H⁺ → $C_{3}^{+}$ $Mathematical equation: $\[\mathrm{C}_{3}^{+}\]$$ + H	✓		✓	✓	✓	✓	✓	✓
C₃S + HCO⁺ → HC₃S⁺ + CO			✓							✓	✓
C₃S + C⁺ → $C_{4}^{+}$ $Mathematical equation: $\[\mathrm{C}_{4}^{+}\]$$ + S			✓	✓
C₃S + C⁺ → C₃S⁺ + C			✓	✓
C₃S + H₂D⁺ → HC₃S⁺ + HD								✓	✓		✓
C₃S + D3⁺ → DC₃S⁺ + D₂							✓		✓

HC₃N (production)
HC₃NH⁺ + e → HC₃N + H	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓
CN + C₂H₂ → HC₃N + H	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓
C₃N⁻ + H → HC₃N + e	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓
HC₃ND⁺ + e → HC₃N + D							✓
DC₃NH⁺ + e → HC₃N + D							✓
HC₃N (destruction)
HC₃N + $H_{3}^{+}$ $Mathematical equation: $\[\mathrm{H}_{3}^{+}\]$$ → HC₃NH⁺ + H₂	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓
HC₃N + H⁺ → HC₃N⁺ + H	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓
HC₃N + $D_{3}^{+}$ $Mathematical equation: $\[\mathrm{D}_{3}^{+}\]$$ → DC₃ND⁺ + HD							✓		✓
HC₅N (production)
C₄H₂ + CN → HC₅N + H	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓
H₂C₅N⁺ + e → HC₅N + H	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓
HDC₅N⁺ + e → HC₅N + D							✓		✓
C₄HD + CN → HC₅N + D							✓		✓
HC₅N (destruction)
HC₅N + $H_{3}^{+}$ $Mathematical equation: $\[\mathrm{H}_{3}^{+}\]$$ → H₂C₅N⁺ + H₂	✓	✓	✓	✓	✓	✓		✓	✓	✓	✓
HC₅N + H⁺ + → HC₅N⁺ + H	✓	✓	✓	✓	✓	✓	✓	✓
HC₅N + HCO⁺ → H₂C₅N⁺ + CO			✓	✓		✓	✓		✓	✓	✓
HC₅N + D₂H⁺ → HDC₅NH⁺ + HD									✓

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