HCl

Hydrogen chloride, Hydrochloric acid
Flags: Detected, RATE12
Empirical: ClH
Mass: 36 amu
Dipole moment: 1.080 D
Heat of formation: -92.1 kJ mol^-1
Added to system: 2003-04-28 18:00:51

Reactions: Formation | Destruction

5 HCl formation reactions

	Reaction	α	β	γ	T_l - T_u (K)
1	H₂Cl⁺ + e^- → HCl + H	1.00e-8	-0.85	0.00	10 - 300
2	CO + H₂Cl⁺ → HCl + HCO⁺	7.80e-10	0.00	0.00	200 - 520
3	H₂O + H₂Cl⁺ → HCl + H₃O⁺	2.00e-9	-0.50	0.00	200 - 520
4	NH₃ + CCl⁺ → HCNH⁺ + HCl	1.30e-9	-0.50	0.00	10 - 41000
5	Cl + H₂ → HCl + H	5.27e-12	1.40	1760.00	354 - 2939

	Reaction	α	β	γ	T_l - T_u (K)
1	H⁺ + HCl → HCl⁺ + H	3.30e-9	1.00	0.00	200 - 520
2	HCl + CRPHOT → Cl + H	1.30e-17	0.00	1370.00	10 - 41000
3	C⁺ + HCl → CCl⁺ + H	1.10e-9	-0.50	0.00	10 - 41000
4	CH₃⁺ + HCl → H₂CCl⁺ + H₂	5.72e-11	-2.25	47.50	10 - 520
5	CH₅⁺ + HCl → H₂Cl⁺ + CH₄	2.06e-9	-0.50	0.00	10 - 41000
6	H₃⁺ + HCl → H₂Cl⁺ + H₂	3.80e-9	-0.50	0.00	200 - 520
7	He⁺ + HCl → Cl⁺ + He + H	3.90e-9	-0.50	0.00	10 - 41000
8	HCl + H → Cl + H₂	2.43e-12	1.44	1240.00	200 - 1200
9	HCl + PHOTON → Cl + H	1.70e-9	0.00	1.80	10 - 41000
10	HCl + PHOTON → HCl⁺ + e^-	1.90e-10	0.00	1.80	10 - 41000

Variation of log fractional abundance (relative to H₂) with log time (years) in a dark cloud model. Ref. RATE12 paper.