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.. common
H2
H
CO
OH
HCO+
C
H3+
C+
H2O
e-

.. in RATE12
C
C+
C-
C10
C10+
C10-
C10H
C10H+
C10H-
C10H2
C10H2+
C10H3+
C11
C11+
C2
C2+
C2-
C2H
C2H+
C2H-
C2H2
C2H2+
C2H3
C2H3+
C2H4
C2H4+
C2H5
C2H5+
C2H5CN
C2H5CNH+
C2H5OH
C2H5OH+
C2H5OH2+
C2H7+
C2N
C2N+
C2N2+
C2NH+
C2O
C2O+
C2S
C2S+
C3
C3+
C3-
C3H
C3H+
C3H-
C3H2
C3H2+
C3H2O+
C3H3+
C3H4+
C3H5+
C3H6+
C3H7+
C3N
C3N+
C3N-
C3O
C3O+
C3P
C3S
C3S+
C4
C4+
C4-
C4H
C4H+
C4H-
C4H2+
C4H3
C4H3+
C4H4+
C4H5+
C4H7+
C4N
C4N+
C4P
C4P+
C4S
C4S+
C5
C5+
C5-
C5H
C5H+
C5H-
C5H2
C5H2+
C5H3+
C5H5+
C5N
C5N+
C5N-
C6
C6+
C6-
C6H
C6H+
C6H-
C6H2
C6H2+
C6H3+
C6H4+
C6H5+
C6H6
C6H6+
C6H7+
C7
C7+
C7-
C7H
C7H+
C7H-
C7H2
C7H2+
C7H3+
C7H4+
C7H5+
C7N
C7N+
C8
C8+
C8-
C8H
C8H+
C8H-
C8H2
C8H2+
C8H3+
C8H4+
C8H5+
C9
C9+
C9-
C9H
C9H+
C9H-
C9H2
C9H2+
C9H3+
C9H4+
C9H5+
C9N
C9N+
CCP
CCP+
CCl
CCl+
CF+
CH
CH+
CH-
CH2
CH2+
CH2CCH
CH2CCH+
CH2CCH2
CH2CHCCH
CH2CHCHCH2
CH2CHCN
CH2CHCN+
CH2CHCNH+
CH2CN
CH2CN+
CH2CO
CH2CO+
CH2NH
CH2NH2+
CH2PH
CH3
CH3+
CH3C3N
CH3C3N+
CH3C3NH+
CH3C4H
CH3C4H+
CH3C5N
CH3C5NH+
CH3C6H
CH3C7N
CH3C7NH+
CH3CCH
CH3CH3
CH3CH3+
CH3CHCH2
CH3CHO
CH3CHO+
CH3CHOH+
CH3CN
CH3CN+
CH3CNH+
CH3CO+
CH3COCH3
CH3COCH3+
CH3COCH4+
CH3CS+
CH3OCH3
CH3OCH3+
CH3OCH4+
CH3OH
CH3OH+
CH3OH2+
CH4
CH4+
CH4N+
CH5+
CN
CN+
CN-
CNC+
CNO
CO
CO+
CO2
CO2+
COOCH4+
CP
CP+
CRP
CRPHOT
CS
CS+
Cl
Cl+
ClO
ClO+
F
F+
Fe
Fe+
H
H+
H-
H2
H2+
H2C4N+
H2C7N+
H2C9N+
H2CCC
H2CCl+
H2CN
H2CNO+
H2CO
H2CO+
H2CS
H2CS+
H2Cl+
H2F+
H2NC+
H2NCO+
H2NO+
H2O
H2O+
H2O2
H2OCN+
H2PO+
H2S
H2S+
H2S2
H2S2+
H2SiO
H2SiO+
H3+
H3C3O+
H3C5N+
H3C7N+
H3C9N+
H3CO+
H3CS+
H3O+
H3S+
H3S2+
H3SiO+
H5C2O2+
HC2O+
HC2P
HC2P+
HC2S+
HC3N
HC3N+
HC3NH+
HC3O+
HC3S+
HC4H
HC4N+
HC4S+
HC5N
HC5N+
HC5NH+
HC7N
HC7N+
HC9N
HC9N+
HCN
HCN+
HCNH+
HCNO
HCNO+
HCNOH+
HCO
HCO+
HCO2+
HCOOCH3
HCOOH
HCOOH+
HCOOH2+
HCP
HCP+
HCS
HCS+
HCSi
HCSi+
HCl
HCl+
HF
HF+
HN2O+
HNC
HNC3
HNCO
HNCO+
HNCOH+
HNO
HNO+
HNS+
HNSi
HNSi+
HOC+
HOCN
HOCN+
HOCS+
HONC
HONC+
HPN+
HPO
HPO+
HS
HS+
HS2
HS2+
HSO+
HSO2+
HSiO2+
HSiS+
He
He+
HeH+
Mg
Mg+
N
N+
N2
N2+
N2H+
N2O
N2O+
NCCN
NCCNCH3+
NCCNH+
NH
NH+
NH2
NH2+
NH2CN
NH2CNH+
NH3
NH3+
NH4+
NO
NO+
NO2
NO2+
NS
NS+
Na
Na+
O
O+
O-
O2
O2+
O2-
O2H
O2H+
OCN
OCN+
OCS
OCS+
OH
OH+
OH-
P
P+
PC2H2+
PC2H3+
PC2H4+
PC3H+
PC4H+
PCH2+
PCH3+
PCH4+
PH
PH+
PH2
PH2+
PH3+
PHOTON
PN
PN+
PNH2+
PNH3+
PO
PO+
S
S+
S-
S2
S2+
SO
SO+
SO2
SO2+
Si
Si+
SiC
SiC+
SiC2
SiC2+
SiC2H
SiC2H+
SiC2H2
SiC2H2+
SiC2H3+
SiC3
SiC3+
SiC3H
SiC3H+
SiC3H2+
SiC4
SiC4+
SiC4H+
SiCH2
SiCH2+
SiCH3
SiCH3+
SiCH4+
SiF+
SiH
SiH+
SiH2
SiH2+
SiH3
SiH3+
SiH4
SiH4+
SiH5+
SiN
SiN+
SiNC
SiNC+
SiNCH+
SiNH2+
SiO
SiO+
SiO2
SiOH+
SiS
SiS+
e-

CH3

Methyl radical
Flags: Detected, RATE12
Empirical: CH3
Mass: 15 amu
Heat of formation: 149.0 kJ mol-1
Added to system: 2003-04-28 18:00:51

Reactions: Formation | Destruction

190 CH3 formation reactions

ReactionαβγTl - Tu (K)
1H- + CH2 → CH3 + e-1.00e-9 0.00 0.0010 - 41000
2CH3+ + C2H3 → C2H3+ + CH33.00e-10-0.50 0.0010 - 300
3CH3+ + CH3COCH3 → CH3COCH3+ + CH32.40e-10-0.50 0.0010 - 41000
4CH3+ + Fe → Fe+ + CH32.40e-9 0.00 0.0010 - 41000
5CH3+ + HCO → HCO+ + CH34.40e-10-0.50 0.0010 - 41000
6CH3+ + Mg → Mg+ + CH33.50e-9 0.00 0.0010 - 41000
7CH3+ + NO → NO+ + CH31.00e-9 0.00 0.0010 - 41000
8CH3+ + Na → Na+ + CH33.40e-9 0.00 0.0010 - 41000
9CH3C3N + CRPHOT → C3N + CH31.30e-17 0.00750.0010 - 41000
10CH3C4H + CRPHOT → C4H + CH31.30e-17 0.00750.0010 - 41000
11CH3C5N + CRPHOT → CH3 + C5N1.30e-17 0.00875.0010 - 41000
12C7H4 + CRPHOT → CH3 + C6H1.30e-17 0.00750.0010 - 41000
13CH3C7N + CRPHOT → CH3 + C7N1.30e-17 0.00875.0010 - 41000
14CH3CHO + CRPHOT → HCO + CH31.30e-17 0.00263.5010 - 41000
15CH3CN + CRPHOT → CN + CH31.30e-17 0.002388.0010 - 41000
16CH3COCH3 + CRPHOT → CO + CH3 + CH31.30e-17 0.001000.0010 - 41000
17CH3COCH3 + CRPHOT → CO + CH3 + CH31.30e-17 0.001000.0010 - 41000
18CH3OH + CRPHOT → OH + CH31.30e-17 0.00752.0010 - 41000
19C2H3+ + e- → CH3 + C3.00e-9-0.84 0.0050 - 1000
20C2H3+ + e- → CH3 + C5.75e-9-1.38 0.001000 - 30000
21C2H4+ + e- → CH3 + CH1.12e-8-0.76 0.0010 - 300
22C2H5+ + e- → CH3 + CH24.76e-8-0.79 0.0010 - 300
23C2H5CNH+ + e- → CH3 + CH2CN + H6.32e-7-0.76 0.0010 - 1000
24C3H4+ + e- → CH3 + C2H2.60e-7-0.67 0.0010 - 300
25C3H7+ + e- → C2H2 + CH3 + H22.53e-8-0.73 0.0010 - 300
26C3H7+ + e- → C2H3 + CH3 + H4.37e-8-0.73 0.0010 - 300
27CH3C3NH+ + e- → HC3N + CH31.00e-6-0.30 0.0010 - 300
28CH3C5NH+ + e- → HC5N + CH31.00e-6-0.30 0.0010 - 300
29CH3C7NH+ + e- → HC7N + CH31.00e-6-0.30 0.0010 - 300
30CH3CHO+ + e- → HCO + CH31.08e-6-0.70 0.0010 - 1000
31CH3CHOH+ + e- → CH3 + HCO + H8.47e-7-0.74 0.0010 - 1000
32CH3CHOH+ + e- → H2CO + CH38.47e-7-0.74 0.0010 - 1000
33CH3CNH+ + e- → HNC + CH32.85e-7-0.69 0.0010 - 1000
34CH3CO+ + e- → CO + CH33.00e-7-0.50 0.0010 - 300
35CH3COCH3+ + e- → CO + CH3 + CH31.50e-7-0.50 0.0010 - 300
36CH3COCH3+ + e- → CO + CH3 + CH31.50e-7-0.50 0.0010 - 300
37CH3COCH4+ + e- → CH3CHO + CH31.50e-7-0.50 0.0010 - 300
38CH3CS+ + e- → CH3 + CS3.00e-7-0.50 0.0010 - 300
39CH3OCH3+ + e- → O + CH3 + CH31.50e-7-0.50 0.0010 - 300
40CH3OCH3+ + e- → O + CH3 + CH31.50e-7-0.50 0.0010 - 300
41CH3OCH4+ + e- → CH3 + CH4 + O7.48e-7-0.70 0.0010 - 1000
42CH3OCH4+ + e- → CH3OH + CH38.33e-7-0.70 0.0010 - 1000
43CH3OH+ + e- → OH + CH33.00e-7-0.50 0.0010 - 300
44CH3OH2+ + e- → CH3 + H2O8.01e-8-0.59 0.0010 - 300
45CH3OH2+ + e- → CH3 + OH + H4.54e-7-0.59 0.0010 - 300
46CH4+ + e- → CH3 + H1.75e-7-0.50 0.0010 - 300
47CH5+ + e- → CH3 + H21.40e-8-0.52 0.0010 - 300
48CH5+ + e- → CH3 + H + H1.96e-7-0.52 0.0010 - 300
49COOCH4+ + e- → CO2 + CH3 + H1.50e-7-0.50 0.0010 - 300
50NCCNCH3+ + e- → NCCN + CH36.00e-7-0.50 0.0010 - 300
51PCH3+ + e- → P + CH33.00e-7-0.50 0.0010 - 300
52C+ + CH3CH3 → C2H3+ + CH34.95e-10 0.00 0.0010 - 41000
53C+ + CH3CHCH2 → C3H3+ + CH33.00e-10 0.00 0.0010 - 41000
54C2H2+ + C2H4 → CH2CCH+ + CH36.62e-10 0.00 0.0010 - 41000
55C2H2+ + CH3CH3 → C3H5+ + CH37.45e-10 0.00 0.0010 - 41000
56C2H2 + C2H4+ → C3H3+ + CH36.45e-10 0.00 0.0010 - 41000
57C2H2 + CH3CH3+ → C3H5+ + CH39.10e-10 0.00 0.0010 - 41000
58C2H3+ + C2H3 → C3H3+ + CH35.00e-10-0.50 0.0010 - 41000
59C2H4+ + C2H4 → C3H5+ + CH37.11e-10 0.00 0.0010 - 41000
60C2H4+ + C3H2 → C4H3+ + CH31.50e-9-0.50 0.0010 - 41000
61C2H4+ + C3H → C4H2+ + CH31.90e-9-0.50 0.0010 - 41000
62C2H4+ + C4H → C5H2+ + CH37.50e-10-0.50 0.0010 - 41000
63C2H4+ + C5H2 → C6H3+ + CH31.50e-9-0.50 0.0010 - 41000
64C2H4+ + C5H → C6H2+ + CH32.10e-9-0.50 0.0010 - 41000
65C2H4+ + C6H2 → C7H3+ + CH35.00e-10-0.50 0.0010 - 41000
66C2H4+ + C6H → C7H2+ + CH37.50e-10-0.50 0.0010 - 41000
67C2H4+ + C7H2 → C8H3+ + CH31.50e-9-0.50 0.0010 - 41000
68C2H4+ + C7H → C8H2+ + CH32.30e-9-0.50 0.0010 - 41000
69C2H4+ + CH3CCH → C4H5+ + CH38.00e-10 0.00 0.0010 - 41000
70C2H4+ + CH3CH3 → C3H7+ + CH34.64e-12 0.00 0.0010 - 41000
71C2H4+ + H2CCC → C4H3+ + CH31.50e-9-0.50 0.0010 - 41000
72C2H4+ + H2S → H3CS+ + CH33.29e-10-0.50 0.0010 - 41000
73C2H4+ + HC4H → C5H3+ + CH35.00e-10 0.00 0.0010 - 41000
74C2H4 + PH+ → PCH2+ + CH33.60e-10 0.00 0.0010 - 41000
75C2H4 + S+ → HCS+ + CH36.18e-10 0.00 0.0010 - 41000
76C3H2+ + CH2CCH2 → C5H3+ + CH31.26e-10 0.00 0.0010 - 41000
77C3H2+ + CH3CCH → C5H3+ + CH32.34e-10 0.00 0.0010 - 41000
78CH2+ + H2CO → HCO+ + CH32.81e-9-0.50 0.0010 - 41000
79CH4+ + C2H2 → C2H3+ + CH31.23e-9 0.00 0.0010 - 41000
80CH4+ + C2H4 → C2H5+ + CH34.23e-10 0.00 0.0010 - 41000
81CH4+ + C2H5CN → C2H5CNH+ + CH34.00e-9-0.50 0.0010 - 41000
82CH4+ + CH3OH → CH3OH2+ + CH31.20e-9-0.50 0.0010 - 41000
83CH4+ + CH4 → CH5+ + CH31.50e-9 0.00 0.0010 - 41000
84CH4+ + CO2 → HCO2+ + CH31.20e-9 0.00 0.0010 - 41000
85CH4+ + CO → HCO+ + CH31.40e-9 0.00 0.0010 - 41000
86CH4+ + H2CO → H3CO+ + CH31.98e-9-0.50 0.0010 - 41000
87CH4+ + H2O → H3O+ + CH32.60e-9-0.50 0.0010 - 41000
88CH4+ + H2S → H3S+ + CH31.16e-9-0.50 0.0010 - 41000
89CH4+ + NH3 → NH4+ + CH31.15e-9-0.50 0.0010 - 41000
90CH4+ + OCS → HOCS+ + CH39.80e-10 0.00 0.0010 - 41000
91CH4 + C2+ → C2H+ + CH32.38e-10 0.00 0.0010 - 41000
92CH4 + C2H+ → C2H2+ + CH33.74e-10 0.00 0.0010 - 41000
93CH4 + C3+ → C3H+ + CH32.38e-10 0.00 0.0010 - 41000
94CH4 + C3H2+ → C3H3+ + CH35.50e-10 0.00 0.0010 - 41000
95C3O+ + CH4 → HC3O+ + CH38.30e-10 0.00 0.0010 - 41000
96CH4 + C4+ → C4H+ + CH31.40e-10 0.00 0.0010 - 41000
97CH4 + C5+ → C5H+ + CH33.61e-10 0.00 0.0010 - 41000
98CH4 + CO+ → HCO+ + CH34.55e-10 0.00 0.0010 - 41000
99CH4 + CO2+ → HCO2+ + CH35.50e-10 0.00 0.0010 - 41000
100CH4 + CS+ → HCS+ + CH35.00e-10 0.00 0.0010 - 41000
101CH4 + H2CO+ → H3CO+ + CH39.35e-11 0.00 0.0010 - 41000
102CH4 + H2O+ → H3O+ + CH31.40e-9 0.00 0.0010 - 41000
103CH4 + HC3N+ → HC3NH+ + CH32.91e-10 0.00 0.0010 - 41000
104CH4 + HCN+ → HCNH+ + CH31.04e-9 0.00 0.0010 - 41000
105CH4 + NH3+ → NH4+ + CH34.80e-10 0.00 0.0010 - 41000
106He+ + CH3CN → CN+ + CH3 + He1.20e-9-0.50 0.0010 - 41000
107He+ + CH3COCH3 → CH3CO+ + CH3 + He3.00e-9-0.50 0.0010 - 41000
108He+ + CH3OH → OH+ + CH3 + He1.10e-9-0.50 0.0010 - 41000
109He+ + CH4 → CH3 + He + H+4.80e-10 0.00 0.0010 - 41000
110He+ + HCOOCH3 → HCO2+ + CH3 + He3.00e-9-0.50 0.0010 - 41000
111N+ + CH3OH → NO+ + CH3 + H3.10e-10-0.50 0.0010 - 41000
112O- + CH4 → OH- + CH31.00e-10 0.00 0.0010 - 41000
113O + C2H4+ → HCO+ + CH38.40e-11 0.00 0.0010 - 41000
114P+ + CH3OH → HPO+ + CH31.40e-9-0.50 0.0010 - 41000
115PH+ + CH3OH → H2PO+ + CH31.90e-9-0.50 0.0010 - 41000
116S+ + CH3CHCH2 → CH3CS+ + CH36.00e-11 0.00 0.0010 - 41000
117Si+ + CH3CCH → SiC2H+ + CH33.00e-10 0.00 0.0010 - 41000
118Si+ + CH3OH → SiOH+ + CH31.65e-9-0.50 0.0010 - 41000
119C- + CH3+ → C + CH37.51e-8-0.50 0.0010 - 41000
120C10- + CH3+ → C10 + CH37.51e-8-0.50 0.0010 - 41000
121C10H- + CH3+ → C10H + CH37.51e-8-0.50 0.0010 - 41000
122C2- + CH3+ → C2 + CH37.51e-8-0.50 0.0010 - 41000
123C2H- + CH3+ → C2H + CH37.51e-8-0.50 0.0010 - 41000
124C3- + CH3+ → C3 + CH37.51e-8-0.50 0.0010 - 41000
125C3H- + CH3+ → C3H + CH37.51e-8-0.50 0.0010 - 41000
126C3N- + CH3+ → C3N + CH37.51e-8-0.50 0.0010 - 41000
127C4- + CH3+ → C4 + CH37.51e-8-0.50 0.0010 - 41000
128C4H- + CH3+ → C4H + CH37.51e-8-0.50 0.0010 - 41000
129C5- + CH3+ → C5 + CH37.51e-8-0.50 0.0010 - 41000
130C5H- + CH3+ → C5H + CH37.51e-8-0.50 0.0010 - 41000
131C5N- + CH3+ → C5N + CH37.51e-8-0.50 0.0010 - 41000
132C6- + CH3+ → C6 + CH37.51e-8-0.50 0.0010 - 41000
133C6H- + CH3+ → C6H + CH37.51e-8-0.50 0.0010 - 41000
134C7- + CH3+ → C7 + CH37.51e-8-0.50 0.0010 - 41000
135C7H- + CH3+ → C7H + CH37.51e-8-0.50 0.0010 - 41000
136C8- + CH3+ → C8 + CH37.51e-8-0.50 0.0010 - 41000
137C8H- + CH3+ → C8H + CH37.51e-8-0.50 0.0010 - 41000
138C9- + CH3+ → C9 + CH37.51e-8-0.50 0.0010 - 41000
139C9H- + CH3+ → C9H + CH37.51e-8-0.50 0.0010 - 41000
140CH- + CH3+ → CH + CH37.51e-8-0.50 0.0010 - 41000
141CN- + CH3+ → CN + CH37.51e-8-0.50 0.0010 - 41000
142H- + CH3+ → H + CH37.51e-8-0.50 0.0010 - 41000
143O- + CH3+ → O + CH37.51e-8-0.50 0.0010 - 41000
144O2- + CH3+ → O2 + CH37.51e-8-0.50 0.0010 - 41000
145OH- + CH3+ → OH + CH37.51e-8-0.50 0.0010 - 41000
146S- + CH3+ → S + CH37.51e-8-0.50 0.0010 - 41000
147CH2 + CH2 → CH3 + CH4.00e-10 0.005000.00300 - 2500
148CH2 + CH4 → CH3 + CH37.13e-12 0.005050.00296 - 2500
149CH2 + CH4 → CH3 + CH37.13e-12 0.005050.00296 - 2500
150CH2 + H2CO → HCO + CH33.30e-13 0.003270.00109 - 300
151CH2 + HCO → CO + CH33.00e-11 0.00 0.0010 - 2500
152CH2 + HNO → NO + CH31.70e-11 0.00 0.0010 - 300
153CH2 + OH → O + CH31.44e-11 0.503000.00100 - 300
154CH2CCH2 + C4H → C6H2 + CH31.84e-10-1.1891.1039 - 300
155CH3CCH + C4H → C6H2 + CH31.59e-10-1.1891.1039 - 300
156CH3CHCH2 + C4H → C6H2 + CH3 + H22.42e-10-0.8448.9039 - 300
157CH3CHCH2 + OH → CH3CHO + CH32.08e-11-2.03170.0058 - 293
158CH4 + C4H → HC4H + CH32.02e-11 0.00700.0010 - 999
159CH4 + C4H → HC4H + CH33.69e-13 2.83103.201000 - 3000
160CH4 + CN → HCN + CH33.14e-12 1.53504.00160 - 2500
161CH4 + O2 → O2H + CH36.70e-11 0.0028640.00300 - 2500
162CH4 + OH → H2O + CH33.77e-13 2.421162.00178 - 3000
163CH4 + S → HS + CH33.39e-10 0.0010019.001140 - 1480
164CH + CH3CH3 → C2H4 + CH32.47e-11-0.5229.2023 - 700
165CH + CH3CHCH2 → CH2CCH2 + CH39.00e-11 0.00 0.0015 - 300
166CN + CH3CHCH2 → CH2CHCN + CH32.23e-10 0.00 0.0010 - 41000
167H2 + CH2 → CH3 + H5.18e-11 0.176400.00300 - 2500
168H + H2CCO → CH3 + CO5.68e-11 0.001897.00200 - 2000
169H + CH4 → CH3 + H25.94e-13 3.004045.00300 - 2500
170N + C2H4 → HCN + CH33.69e-14 0.00161.00291 - 701
171N + C2H5 → H2CN + CH33.85e-11 0.00 0.0010 - 300
172NH2 + CH4 → CH3 + NH32.90e-13 2.875380.00298 - 2500
173NH + CH4 → CH3 + NH26.63e-16 6.135895.00300 - 2000
174O + C2H4 → HCO + CH31.52e-12 1.55215.00298 - 2500
175O + C2H5 → H2CO + CH32.67e-11 0.00 0.0010 - 2500
176O + CH4 → OH + CH32.29e-12 2.203820.00298 - 2500
177OH + C2H2 → CO + CH34.75e-17 3.16-128.00500 - 2500
178CH3C3N + PHOTON → C3N + CH32.00e-11 0.00 1.7010 - 41000
179CH3C4H + PHOTON → C4H + CH32.00e-11 0.00 1.7010 - 41000
180CH3C5N + PHOTON → CH3 + C5N1.00e-9 0.00 1.7010 - 41000
181CH3C6H + PHOTON → CH3 + C6H2.00e-11 0.00 5.0010 - 41000
182CH3C7N + PHOTON → CH3 + C7N1.00e-9 0.00 1.7010 - 41000
183CH3CHO + PHOTON → HCO + CH31.10e-9 0.00 1.5010 - 41000
184CH3CN + PHOTON → CN + CH32.50e-9 0.00 2.6010 - 41000
185CH3COCH3 + PHOTON → CO + CH3 + CH31.00e-9 0.00 1.7010 - 41000
186CH3COCH3 + PHOTON → CO + CH3 + CH31.00e-9 0.00 1.7010 - 41000
187CH3OH + PHOTON → OH + CH37.00e-10 0.00 2.3010 - 41000
188CH4 + PHOTON → CH3 + H2.20e-10 0.00 2.6010 - 41000
189H2 + CH → CH3 + PHOTON5.09e-18-0.7111.6010 - 300
190CH3+ + e- → CH3 + PHOTON1.10e-10-0.50 0.0010 - 300

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