CH₂⁺

Methylene ion
Flags: RATE12
Empirical: CH₂⁺
Mass: 14 amu
Heat of formation: 1386.0 kJ mol^-1
Added to system: 2003-05-06 06:43:21

Reactions: Formation | Destruction

55 CH₂⁺ formation reactions

	Reaction	α	β	γ	T_l - T_u (K)
1	C⁺ + CH₂ → CH₂⁺ + C	5.20e-10	0.00	0.00	10 - 41000
2	CH₂ + C₂⁺ → C₂ + CH₂⁺	4.50e-10	0.00	0.00	10 - 41000
3	CH₂ + CN⁺ → CN + CH₂⁺	8.80e-10	0.00	0.00	10 - 41000
4	CH₂ + CO⁺ → CO + CH₂⁺	4.30e-10	0.00	0.00	10 - 41000
5	CH₂ + H₂CO⁺ → H₂CO + CH₂⁺	4.30e-10	0.00	0.00	10 - 41000
6	CH₂ + H₂O⁺ → H₂O + CH₂⁺	4.70e-10	0.00	0.00	10 - 41000
7	CH₂ + N₂⁺ → N₂ + CH₂⁺	8.70e-10	0.00	0.00	10 - 41000
8	CH₂ + NH₂⁺ → NH₂ + CH₂⁺	4.90e-10	0.00	0.00	10 - 41000
9	CH₂ + O⁺ → O + CH₂⁺	9.70e-10	0.00	0.00	10 - 41000
10	CH₂ + O₂⁺ → O₂ + CH₂⁺	4.30e-10	0.00	0.00	10 - 41000
11	CH₂ + OH⁺ → OH + CH₂⁺	4.80e-10	0.00	0.00	10 - 41000
12	H⁺ + CH₂ → CH₂⁺ + H	1.40e-9	0.00	0.00	10 - 41000
13	H₂⁺ + CH₂ → CH₂⁺ + H₂	1.00e-9	0.00	0.00	10 - 41000
14	N⁺ + CH₂ → CH₂⁺ + N	1.00e-9	0.00	0.00	10 - 41000
15	CH₂ + CRPHOT → CH₂⁺ + e^-	1.30e-17	0.00	250.00	10 - 41000
16	C⁺ + H₂CO → CO + CH₂⁺	2.34e-9	-0.50	0.00	10 - 41000
17	C⁺ + H₂CS → CS + CH₂⁺	1.50e-9	-0.50	0.00	10 - 41000
18	CH⁺ + HCO → CO + CH₂⁺	4.60e-10	-0.50	0.00	10 - 41000
19	CH₄ + N₂⁺ → N₂ + CH₂⁺ + H₂	7.00e-11	0.00	0.00	10 - 41000
20	CH + C₂H⁺ → C₂ + CH₂⁺	3.20e-10	-0.50	0.00	10 - 41000
21	CH + CH₅⁺ → CH₄ + CH₂⁺	6.90e-10	-0.50	0.00	10 - 41000
22	CH + H₂CO⁺ → HCO + CH₂⁺	3.10e-10	-0.50	0.00	10 - 41000
23	CH + H₂O⁺ → OH + CH₂⁺	3.40e-10	-0.50	0.00	10 - 41000
24	CH + H₃CO⁺ → H₂CO + CH₂⁺	6.20e-10	-0.50	0.00	10 - 41000
25	CH + H₃O⁺ → H₂O + CH₂⁺	6.80e-10	-0.50	0.00	10 - 41000
26	CH + HCN⁺ → CN + CH₂⁺	6.30e-10	-0.50	0.00	10 - 41000
27	CH + HCNH⁺ → HCN + CH₂⁺	3.15e-10	-0.50	0.00	10 - 41000
28	CH + HCNH⁺ → HNC + CH₂⁺	3.15e-10	-0.50	0.00	10 - 41000
29	CH + HCO⁺ → CO + CH₂⁺	6.30e-10	-0.50	0.00	10 - 41000
30	CH + HNO⁺ → NO + CH₂⁺	6.20e-10	-0.50	0.00	10 - 41000
31	CH + HS⁺ → S + CH₂⁺	5.80e-10	-0.50	0.00	10 - 41000
32	CH + HN₂⁺ → N₂ + CH₂⁺	6.30e-10	-0.50	0.00	10 - 41000
33	CH + NH⁺ → CH₂⁺ + N	9.90e-10	-0.50	0.00	10 - 41000
34	CH + NH₂⁺ → NH + CH₂⁺	3.50e-10	-0.50	0.00	10 - 41000
35	CH + O₂H⁺ → O₂ + CH₂⁺	6.20e-10	-0.50	0.00	10 - 41000
36	CH + OH⁺ → O + CH₂⁺	3.50e-10	-0.50	0.00	10 - 41000
37	CH + SiH⁺ → Si + CH₂⁺	6.00e-10	-0.50	0.00	10 - 41000
38	H⁺ + CH₂NH → NH₂ + CH₂⁺	1.00e-9	-0.50	0.00	10 - 41000
39	H⁺ + HCNO → CH₂⁺ + NO	1.17e-8	-0.50	0.00	10 - 300
40	H₂⁺ + CH → CH₂⁺ + H	7.10e-10	-0.50	0.00	10 - 41000
41	H₂ + CH⁺ → CH₂⁺ + H	1.20e-9	0.00	0.00	10 - 41000
42	H₃⁺ + CH → CH₂⁺ + H₂	1.20e-9	-0.50	0.00	10 - 41000
43	H + CH₃⁺ → CH₂⁺ + H₂	7.00e-10	0.00	10560.00	352 - 41000
44	He⁺ + C₂H₄ → CH₂⁺ + CH₂ + He	4.80e-10	0.00	0.00	10 - 41000
45	He⁺ + CH₂CN → CN + CH₂⁺ + He	3.30e-9	-0.50	0.00	10 - 41000
46	He⁺ + H₂CCO → CO + CH₂⁺ + He	1.00e-9	-0.50	0.00	10 - 41000
47	He⁺ + CH₂NH → NH + CH₂⁺ + He	1.00e-9	-0.50	0.00	10 - 41000
48	He⁺ + CH₂PH → PH + CH₂⁺ + He	5.00e-10	0.00	0.00	10 - 41000
49	He⁺ + CH₄ → CH₂⁺ + He + H₂	9.50e-10	0.00	0.00	10 - 41000
50	He⁺ + H₂CO → O + CH₂⁺ + He	1.71e-9	-0.50	0.00	10 - 41000
51	He⁺ + H₂CS → S + CH₂⁺ + He	8.10e-10	-0.50	0.00	10 - 41000
52	CH₂ + PHOTON → CH₂⁺ + e^-	1.00e-9	0.00	2.30	10 - 41000
53	CH₃⁺ + PHOTON → CH₂⁺ + H	1.00e-9	0.00	1.70	10 - 41000
54	CH₄⁺ + PHOTON → CH₂⁺ + H₂	2.27e-10	0.00	2.70	10 - 41000
55	H₂ + C⁺ → CH₂⁺ + PHOTON	2.00e-16	-1.30	23.00	10 - 300

	Reaction	α	β	γ	T_l - T_u (K)
1	CH₂⁺ + NO → NO⁺ + CH₂	4.20e-10	0.00	0.00	10 - 41000
2	CH₂⁺ + e^- → C + H₂	7.68e-8	-0.60	0.00	10 - 1000
3	CH₂⁺ + e^- → C + H + H	4.03e-7	-0.60	0.00	10 - 1000
4	CH₂⁺ + e^- → CH + H	1.60e-7	-0.60	0.00	10 - 1000
5	C + CH₂⁺ → C₂H⁺ + H	1.20e-9	0.00	0.00	10 - 41000
6	CH₂⁺ + C₂H → C₃H₂⁺ + H	9.50e-10	0.00	0.00	10 - 41000
7	CH₂⁺ + CH₄ → C₂H₄⁺ + H₂	8.40e-10	0.00	0.00	10 - 41000
8	CH₂⁺ + CH₄ → C₂H₅⁺ + H	3.60e-10	0.00	0.00	10 - 41000
9	CH₂⁺ + CO₂ → H₂CO⁺ + CO	1.60e-9	0.00	0.00	10 - 41000
10	CH₂⁺ + H₂CO → CH₂CO⁺ + H₂	1.65e-10	-0.50	0.00	10 - 41000
11	CH₂⁺ + H₂CO → CH₃CO⁺ + H	3.30e-10	-0.50	0.00	10 - 41000
12	CH₂⁺ + H₂CO → HCO⁺ + CH₃	2.81e-9	-0.50	0.00	10 - 41000
13	CH₂⁺ + H₂O → H₃CO⁺ + H	1.20e-9	-0.50	0.00	10 - 41000
14	CH₂⁺ + H₂S → H₃CS⁺ + H	1.84e-9	-0.50	0.00	10 - 41000
15	CH₂⁺ + H₂S → H₃S⁺ + CH	2.30e-10	-0.50	0.00	10 - 41000
16	CH₂⁺ + H₂S → HCS⁺ + H₂ + H	2.30e-10	-0.50	0.00	10 - 41000
17	CH₂⁺ + HCN → CH₂CN⁺ + H	1.80e-9	-0.50	0.00	10 - 41000
18	CH₂⁺ + HCO → CO + CH₃⁺	4.50e-10	-0.50	0.00	10 - 41000
19	CH₂⁺ + NH₃ → CH₄N⁺ + H	1.54e-9	-0.50	0.00	10 - 41000
20	CH₂⁺ + NH₃ → NH₄⁺ + CH	1.26e-9	-0.50	0.00	10 - 41000
21	CH₂⁺ + O₂ → HCO⁺ + OH	9.10e-10	0.00	0.00	10 - 41000
22	CH₂⁺ + O → HCO⁺ + H	7.50e-10	0.00	0.00	10 - 41000
23	CH₂⁺ + OCS → H₂CS⁺ + CO	7.20e-10	0.00	0.00	10 - 41000
24	CH₂⁺ + OCS → HCS⁺ + HCO	1.08e-9	0.00	0.00	10 - 41000
25	CH₂⁺ + S → HCS⁺ + H	1.40e-9	0.00	0.00	10 - 41000
26	H₂ + CH₂⁺ → CH₃⁺ + H	1.60e-9	0.00	0.00	10 - 41000
27	H + CH₂⁺ → CH⁺ + H₂	1.00e-9	0.00	7080.00	236 - 300
28	N + CH₂⁺ → HCN⁺ + H	2.20e-10	0.00	0.00	10 - 41000
29	CH₂⁺ + PHOTON → C⁺ + H₂	4.67e-11	0.00	2.20	10 - 41000
30	CH₂⁺ + PHOTON → CH⁺ + H	4.67e-11	0.00	2.20	10 - 41000
31	CH₂⁺ + PHOTON → CH + H⁺	4.67e-11	0.00	2.20	10 - 41000

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

CH2+

CH₂⁺