CH₂CO⁺

Ketene ion
Flags: RATE12
Empirical: C₂H₂O⁺
Mass: 42 amu
Heat of formation: 882.7 kJ mol^-1
Added to system: 2003-05-06 06:43:21

11 CH₂CO⁺ formation reactions

	Reaction	α	β	γ	T_l - T_u (K)
1	C⁺ + H₂CCO → CH₂CO⁺ + C	2.00e-9	-0.50	0.00	10 - 41000
2	H₂CCO + CRPHOT → CH₂CO⁺ + e^-	1.30e-17	0.00	609.00	10 - 41000
3	CH⁺ + H₂CO → CH₂CO⁺ + H	3.20e-10	-0.50	0.00	10 - 41000
4	CH₂⁺ + H₂CO → CH₂CO⁺ + H₂	1.65e-10	-0.50	0.00	10 - 41000
5	H₂O + C₂H⁺ → CH₂CO⁺ + H	8.70e-10	-0.50	0.00	10 - 41000
6	C₂H₂ + O₂⁺ → CH₂CO⁺ + O	1.30e-10	0.00	0.00	10 - 41000
7	O₂⁺ + CH₂CCH₂ → CH₂CO⁺ + H₂CO	2.60e-11	0.00	0.00	10 - 41000
8	OH + C₂H₂⁺ → CH₂CO⁺ + H	6.40e-10	-0.50	0.00	10 - 41000
9	C₂H₂ + SO⁺ → CH₂CO⁺ + S	1.87e-10	0.00	0.00	10 - 41000
10	SO⁺ + CH₂CCH₂ → CH₂CO⁺ + H₂CS	4.80e-11	0.00	0.00	10 - 41000
11	H₂CCO + PHOTON → CH₂CO⁺ + e^-	6.60e-10	0.00	2.80	10 - 41000

	Reaction	α	β	T_l - T_u (K)
1	CH₂CO⁺ + e^- → C₂ + H₂O	2.00e-7	-0.50	10 - 300
2	CH₂CO⁺ + e^- → C₂H₂ + O	2.00e-7	-0.50	10 - 300
3	CH₂CO⁺ + e^- → CO + CH₂	2.00e-7	-0.50	10 - 300

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

CH2CO+