CH₃CCH⁺

Methyl acetylene ion, Propyne ion, CH3C2H+
Flags: RATE12
Empirical: C₃H₄⁺
Mass: 40 amu
Heat of formation: 1194.5 kJ mol^-1
Added to system: 2003-05-06 06:43:21

Reactions: Formation | Destruction

20 CH₃CCH⁺ formation reactions

	Reaction	α	β	γ	T_l - T_u (K)
1	C⁺ + CH₂CCH₂ → C₃H₄⁺ + C	2.10e-10	0.00	0.00	10 - 41000
2	C⁺ + CH₃CCH → C₃H₄⁺ + C	5.70e-10	0.00	0.00	10 - 41000
3	C₂H₂⁺ + CH₃CCH → C₃H₄⁺ + C₂H₂	5.00e-10	0.00	0.00	10 - 300
4	H⁺ + CH₃CCH → C₃H₄⁺ + H	2.00e-9	0.00	0.00	10 - 41000
5	O₂⁺ + CH₂CCH₂ → C₃H₄⁺ + O₂	1.22e-9	0.00	0.00	10 - 41000
6	SO⁺ + CH₂CCH₂ → C₃H₄⁺ + SO	6.84e-10	0.00	0.00	10 - 41000
7	CH₂CCH₂ + CRPHOT → C₃H₄⁺ + e^-	1.30e-17	0.00	2652.50	10 - 41000
8	CH₃CCH + CRPHOT → C₃H₄⁺ + e^-	1.30e-17	0.00	2652.50	10 - 41000
9	C₂H₂⁺ + CH₃CN → C₃H₄⁺ + HCN	1.06e-9	-0.50	0.00	10 - 41000
10	C₂H₃⁺ + CH₂CCH → C₃H₄⁺ + C₂H₂	1.00e-9	-0.50	0.00	10 - 41000
11	C₂H₄ + C₃H₂⁺ → C₃H₄⁺ + C₂H₂	6.60e-10	0.00	0.00	10 - 41000
12	CH₃⁺ + C₂H₃ → C₃H₄⁺ + H₂	6.00e-10	-0.50	0.00	10 - 41000
13	CH₄ + C₂H⁺ → C₃H₄⁺ + H	1.32e-10	0.00	0.00	10 - 41000
14	CH₄ + C₂H₂⁺ → C₃H₄⁺ + H₂	1.76e-10	0.00	0.00	10 - 41000
15	CH₄ + HC₃N⁺ → C₃H₄⁺ + HCN	8.30e-11	0.00	0.00	10 - 41000
16	H₃⁺ + CH₂CCH → C₃H₄⁺ + H₂	2.00e-9	-0.50	0.00	10 - 41000
17	H₃O⁺ + CH₂CCH → C₃H₄⁺ + H₂O	2.00e-9	-0.50	0.00	10 - 41000
18	HCO⁺ + CH₂CCH → C₃H₄⁺ + CO	1.40e-9	-0.50	0.00	10 - 41000
19	CH₂CCH₂ + PHOTON → C₃H₄⁺ + e^-	2.20e-9	0.00	2.40	10 - 41000
20	CH₃CCH + PHOTON → C₃H₄⁺ + e^-	2.20e-9	0.00	2.40	10 - 41000

	Reaction	α	β	T_l - T_u (K)
1	C₃H₄⁺ + e^- → C₂H₃ + CH	4.40e-8	-0.67	10 - 300
2	C₃H₄⁺ + e^- → CH₂CCH + H	2.56e-6	-0.67	10 - 300
3	C₃H₄⁺ + e^- → CH₃ + C₂H	2.60e-7	-0.67	10 - 300
4	C₃H₄⁺ + e^- → H₂CCC + H + H	1.48e-7	-0.67	10 - 300
5	C₂H₂ + C₃H₄⁺ → C₅H₅⁺ + H	4.90e-10	0.00	10 - 41000
6	C₃H₄⁺ + CH₂CCH₂ → C₄H₄⁺ + C₂H₄	5.50e-11	0.00	10 - 41000
7	C₃H₄⁺ + CH₂CCH₂ → C₆H₅⁺ + H₂ + H	7.70e-11	0.00	10 - 41000
8	C₃H₄⁺ + CH₂CCH₂ → C₆H₇⁺ + H	9.68e-10	0.00	10 - 41000
9	C₃H₄⁺ + CH₃CCH → C₃H₅⁺ + CH₂CCH	1.98e-10	0.00	10 - 41000
10	C₃H₄⁺ + CH₃CCH → C₆H₅⁺ + H₂ + H	8.80e-11	0.00	10 - 41000
11	C₃H₄⁺ + CH₃CCH → C₆H₇⁺ + H	7.48e-10	0.00	10 - 41000
12	C + C₃H₄⁺ → C₄H₂⁺ + H₂	1.00e-9	0.00	10 - 41000
13	C + C₃H₄⁺ → C₄H₃⁺ + H	1.00e-9	0.00	10 - 41000
14	H + C₃H₄⁺ → C₃H₃⁺ + H₂	2.40e-10	0.00	10 - 41000
15	N + C₃H₄⁺ → HC₃NH⁺ + H₂	1.00e-10	0.00	10 - 41000
16	O + C₃H₄⁺ → HCO⁺ + C₂H₃	2.00e-10	0.00	10 - 41000

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

CH3CCH+

CH₃CCH⁺