CH₃C₄H⁺

Methyldiacetylene ion
Flags: RATE12
Empirical: C₅H₄⁺
Mass: 64 amu
Heat of formation: 1332.0 kJ mol^-1
Added to system: 2003-05-06 06:43:21

13 CH₃C₄H⁺ formation reactions

	Reaction	α	β	T_l - T_u (K)
1	H⁺ + CH₃C₄H → CH₃C₄H⁺ + H	2.00e-9	0.00	10 - 300
2	C₂H₂⁺ + CH₂CCH → CH₃C₄H⁺ + H	1.00e-9	-0.50	10 - 41000
3	C₂H₂⁺ + CH₃CCH → CH₃C₄H⁺ + H₂	5.00e-10	0.00	10 - 41000
4	C₂H₃⁺ + C₃H₂ → CH₃C₄H⁺ + H	8.00e-10	-0.50	10 - 41000
5	C₂H₃⁺ + CH₂CCH → CH₃C₄H⁺ + H₂	1.00e-9	-0.50	10 - 41000
6	C₂H₃⁺ + H₂CCC → CH₃C₄H⁺ + H	8.00e-10	-0.50	10 - 41000
7	C₂H₃ + C₃H₂⁺ → CH₃C₄H⁺ + H	6.00e-10	-0.50	10 - 41000
8	C₂H₃ + C₃H₃⁺ → CH₃C₄H⁺ + H₂	1.50e-9	-0.50	10 - 41000
9	C₂H₃ + CH₂CCH⁺ → CH₃C₄H⁺ + H₂	1.50e-9	-0.50	10 - 41000
10	C₂H₄⁺ + C₃H → CH₃C₄H⁺ + H	6.30e-10	-0.50	10 - 41000
11	CH₃CCH + C₄H₂⁺ → CH₃C₄H⁺ + C₂H₂	1.40e-10	0.00	10 - 41000
12	CH₄ + C₄H₂⁺ → CH₃C₄H⁺ + H₂	2.00e-10	0.00	10 - 41000
13	N + C₆H₅⁺ → CH₃C₄H⁺ + HCN	3.70e-11	0.00	10 - 41000

	Reaction	α	β	T_l - T_u (K)
1	CH₃C₄H⁺ + e^- → C₅H₂ + H₂	1.00e-6	-0.30	10 - 300
2	CH₃C₄H⁺ + e^- → C₅H + H₂ + H	1.00e-6	-0.30	10 - 300
3	N + CH₃C₄H⁺ → H₃C₅N⁺ + H	1.00e-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.

CH3C4H+