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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-

H2O

Water
Flags: Detected, RATE12
Empirical: H2O
Mass: 18 amu
Dipole moment: 1.850 D
Heat of formation: -238.9 kJ mol-1
Added to system: 2003-04-28 18:00:49

Reactions: Formation | Destruction

173 H2O formation reactions

ReactionαβγTl - Tu (K)
1H- + OH → H2O + e-1.00e-10 0.00 0.0010 - 41000
2H2 + O- → H2O + e-7.00e-10 0.00 0.0010 - 41000
3H + OH- → H2O + e-1.40e-9 0.00 0.0010 - 41000
4CH2 + H2O+ → H2O + CH2+4.70e-10 0.00 0.0010 - 41000
5CH + H2O+ → H2O + CH+3.40e-10-0.50 0.0010 - 41000
6H2O+ + C2 → C2+ + H2O4.70e-10 0.00 0.0010 - 41000
7H2O+ + C2H2 → C2H2+ + H2O1.90e-9 0.00 0.0010 - 41000
8H2O+ + C2H4 → C2H4+ + H2O1.50e-9 0.00 0.0010 - 41000
9H2O+ + C2H → C2H+ + H2O4.40e-10 0.00 0.0010 - 41000
10H2O+ + CH3CH3 → CH3CH3+ + H2O6.40e-11 0.00 0.0010 - 41000
11H2O+ + Fe → Fe+ + H2O1.50e-9 0.00 0.0010 - 41000
12H2O+ + H2CO → H2CO+ + H2O1.41e-9-0.50 0.0010 - 41000
13H2O+ + H2S → H2S+ + H2O9.72e-10-0.50 0.0010 - 41000
14H2O+ + HCO → HCO+ + H2O2.80e-10-0.50 0.0010 - 41000
15H2O+ + Mg → Mg+ + H2O2.20e-9 0.00 0.0010 - 41000
16H2O+ + NO → NO+ + H2O2.70e-10 0.00 0.0010 - 41000
17H2O+ + Na → Na+ + H2O6.20e-9 0.00 0.0010 - 41000
18H2O+ + O2 → O2+ + H2O4.60e-10 0.00 0.0010 - 41000
19H2O+ + OCS → OCS+ + H2O2.50e-9 0.00 0.0010 - 41000
20H2O+ + S → S+ + H2O4.30e-10 0.00 0.0010 - 41000
21H2O+ + Si → Si+ + H2O3.00e-9 0.00 0.0010 - 41000
22NH2 + H2O+ → H2O + NH2+4.90e-10-0.50 0.0010 - 41000
23NH3 + H2O+ → H2O + NH3+2.21e-9-0.50 0.0010 - 41000
24C2H5OH2+ + e- → C2H4 + H2O + H1.77e-6-0.73 0.0010 - 1000
25C2H5OH2+ + e- → C2H5 + H2O1.77e-6-0.73 0.0010 - 1000
26CH2CO+ + e- → C2 + H2O2.00e-7-0.50 0.0010 - 300
27CH3OH+ + e- → CH + H2O + H6.49e-7-0.66 0.0010 - 1000
28CH3OH2+ + e- → CH2 + H2O + H1.87e-7-0.59 0.0010 - 300
29CH3OH2+ + e- → CH3 + H2O8.01e-8-0.59 0.0010 - 300
30H2OCN+ + e- → H2O + CN1.50e-7-0.50 0.0010 - 300
31H3CO+ + e- → CH + H2O1.40e-8-0.78 0.0010 - 1000
32H3O+ + e- → H2O + H7.09e-8-0.50 0.0010 - 1000
33CH2 + H3O+ → H2O + CH3+9.40e-10 0.00 0.0010 - 41000
34CH3OH2+ + CH3OH → CH3OCH4+ + H2O7.60e-11-1.60 0.0010 - 300
35CH3OH + PH2+ → PCH4+ + H2O1.60e-10-0.50 0.0010 - 41000
36CH + H3O+ → H2O + CH2+6.80e-10-0.50 0.0010 - 41000
37H+ + CH3OH → CH3+ + H2O5.90e-10-0.50 0.0010 - 41000
38H2 + NO2+ → NO+ + H2O1.50e-10 0.00 0.0010 - 41000
39H2CO + C2H5OH2+ → CH3COCH4+ + H2O1.70e-11-0.50 0.0010 - 300
40H2CO + CH3OH2+ → CH3CHOH+ + H2O2.10e-11-0.50 0.0010 - 41000
41H2O+ + CH3CH3 → C2H4+ + H2O + H21.92e-10 0.00 0.0010 - 41000
42H2S + SO+ → S2+ + H2O1.30e-9-0.50 0.0010 - 41000
43H3+ + C2H5OH → C2H3+ + H2O + H2 + H24.00e-10-0.50 0.0010 - 41000
44H3+ + C2H5OH → C2H5+ + H2O + H22.20e-10-0.50 0.0010 - 41000
45H3+ + C2H5OH → CH3+ + CH4 + H2O1.50e-9-0.50 0.0010 - 41000
46H3+ + CH3CHO → C2H3+ + H2 + H2O8.97e-10-0.50 0.0010 - 41000
47H3+ + CH3CHO → C2H5+ + H2O7.59e-10-0.50 0.0010 - 41000
48H3+ + CH3COCH3 → C2H3+ + CH4 + H2O1.16e-9-0.50 0.0010 - 41000
49H3+ + CH3COCH3 → C3H5+ + H2O + H26.61e-10-0.50 0.0010 - 41000
50H3+ + CH3OH → CH3+ + H2O + H23.71e-9-0.50 0.0010 - 41000
51H3+ + HCOOH → HCO+ + H2O + H24.30e-9-0.50 0.0010 - 41000
52H3O+ + C2 → C2H+ + H2O9.20e-10 0.00 0.0010 - 41000
53H3O+ + C2H3 → C2H4+ + H2O2.00e-9-0.50 0.0010 - 41000
54H3O+ + C2H5OH → C2H5OH2+ + H2O2.80e-9-0.50 0.0010 - 41000
55H3O+ + C2O → HC2O+ + H2O1.00e-9-0.50 0.0010 - 41000
56H3O+ + C2S → HC2S+ + H2O1.00e-9-0.50 0.0010 - 41000
57H3O+ + C3 → C3H+ + H2O2.00e-9 0.00 0.0010 - 41000
58H3O+ + C3H2 → C3H3+ + H2O3.00e-9-0.50 0.0010 - 41000
59H3O+ + C3H → C3H2+ + H2O2.00e-9-0.50 0.0010 - 41000
60H3O+ + C3N → HC3N+ + H2O2.00e-9-0.50 0.0010 - 41000
61H3O+ + C3O → HC3O+ + H2O1.00e-9-0.50 0.0010 - 41000
62H3O+ + C3P → PC3H+ + H2O1.00e-9-0.50 0.0010 - 41000
63H3O+ + C3S → HC3S+ + H2O1.00e-9-0.50 0.0010 - 41000
64H3O+ + C4 → C4H+ + H2O1.10e-9 0.00 0.0010 - 41000
65H3O+ + C4H3 → C4H4+ + H2O1.00e-9 0.00 0.0010 - 41000
66H3O+ + C4H → C4H2+ + H2O1.10e-9-0.50 0.0010 - 41000
67H3O+ + C4P → PC4H+ + H2O1.00e-9-0.50 0.0010 - 41000
68H3O+ + C4S → HC4S+ + H2O1.00e-9-0.50 0.0010 - 41000
69H3O+ + C6H6 → C6H7+ + H2O1.30e-9 0.00 0.0010 - 41000
70H3O+ + CCP → HC2P+ + H2O1.00e-9-0.50 0.0010 - 41000
71H3O+ + CH2CCH → C3H4+ + H2O2.00e-9-0.50 0.0010 - 41000
72H3O+ + H2CCO → CH3CO+ + H2O2.00e-9-0.50 0.0010 - 41000
73H3O+ + CH2NH → CH2NH2+ + H2O1.00e-9-0.50 0.0010 - 41000
74H3O+ + CH2PH → PCH4+ + H2O1.00e-9 0.00 0.0010 - 41000
75H3O+ + CH3CCH → C3H5+ + H2O1.80e-9 0.00 0.0010 - 41000
76H3O+ + CH3CHCH2 → C3H7+ + H2O1.70e-9 0.00 0.0010 - 41000
77H3O+ + CH3CHO → CH3CHOH+ + H2O3.60e-9-0.50 0.0010 - 41000
78H3O+ + CH3CN → CH3CNH+ + H2O4.70e-9-0.50 0.0010 - 41000
79H3O+ + CH3COCH3 → CH3COCH4+ + H2O3.90e-9-0.50 0.0010 - 41000
80H3O+ + CH3OCH3 → CH3OCH4+ + H2O2.70e-9-0.50 0.0010 - 41000
81H3O+ + CH3OH → CH3OH2+ + H2O2.50e-9-0.50 0.0010 - 41000
82H3O+ + CP → HCP+ + H2O1.00e-9 0.00 0.0010 - 41000
83H3O+ + CS → HCS+ + H2O1.00e-9-0.50 0.0010 - 41000
84H3O+ + H2CCC → CH2CCH+ + H2O3.00e-9-0.50 0.0010 - 41000
85H3O+ + H2CO → H3CO+ + H2O3.40e-9-0.50 0.0010 - 41000
86H3O+ + H2S2 → H3S2+ + H2O2.00e-9-0.50 0.0010 - 41000
87H3O+ + H2S → H3S+ + H2O1.90e-9-0.50 0.0010 - 41000
88H3O+ + H2SiO → H3SiO+ + H2O2.00e-9-0.50 0.0010 - 41000
89H3O+ + HC2P → PC2H2+ + H2O1.00e-9 0.00 0.0010 - 41000
90H3O+ + HC3N → HC3NH+ + H2O4.00e-9-0.50 0.0010 - 41000
91H3O+ + HC4H → C4H3+ + H2O1.10e-9 0.00 0.0010 - 41000
92H3O+ + HCN → HCNH+ + H2O3.80e-9-0.50 0.0010 - 41000
93H3O+ + HCOOCH3 → H5C2O2+ + H2O3.00e-9-0.50 0.0010 - 41000
94H3O+ + HCP → PCH2+ + H2O1.00e-9 0.00 0.0010 - 41000
95H3O+ + HCSi → SiCH2+ + H2O2.00e-9 0.00 0.0010 - 41000
96H3O+ + HNC → HCNH+ + H2O4.00e-9-0.50 0.0010 - 41000
97H3O+ + HNSi → SiNH2+ + H2O2.00e-9 0.00 0.0010 - 41000
98H3O+ + HPO → H2PO+ + H2O1.00e-9-0.50 0.0010 - 41000
99H3O+ + HS2 → H2S2+ + H2O2.00e-9-0.50 0.0010 - 41000
100H3O+ + Na → Na+ + H2O + H3.10e-9 0.00 0.0010 - 41000
101H3O+ + PN → HPN+ + H2O1.00e-9-0.50 0.0010 - 41000
102H3O+ + S2 → HS2+ + H2O2.00e-9 0.00 0.0010 - 41000
103H3O+ + Si → SiH+ + H2O1.80e-9 0.00 0.0010 - 41000
104H3O+ + SiC2 → SiC2H+ + H2O2.00e-9-0.50 0.0010 - 41000
105H3O+ + SiC2H → SiC2H2+ + H2O2.00e-9-0.50 0.0010 - 41000
106H3O+ + SiC → HCSi+ + H2O3.00e-9-0.50 0.0010 - 41000
107H3O+ + SiCH3 → SiCH4+ + H2O2.00e-9 0.00 0.0010 - 41000
108H3O+ + SiH2 → SiH3+ + H2O2.00e-9 0.00 0.0010 - 41000
109H3O+ + SiH → SiH2+ + H2O9.70e-10 0.00 0.0010 - 41000
110H3O+ + SiNC → SiNCH+ + H2O2.00e-9-0.50 0.0010 - 41000
111H3O+ + SiO → SiOH+ + H2O2.00e-9-0.50 0.0010 - 41000
112HCN + CH3OH2+ → CH3CNH+ + H2O2.30e-11-0.50 0.0010 - 41000
113HNC3 + H3O+ → HC3NH+ + H2O5.19e-9-0.50 0.0010 - 41000
114NH2 + H3O+ → H2O + NH3+9.70e-10-0.50 0.0010 - 41000
115NH3 + H3O+ → NH4+ + H2O2.20e-9-0.50 0.0010 - 41000
116O+ + C2H4 → C2H2+ + H2O1.12e-9 0.00 0.0010 - 41000
117O+ + CH3OH → H2CO+ + H2O9.50e-11-0.50 0.0010 - 41000
118O+ + H2S → S+ + H2O2.20e-10-0.50 0.0010 - 41000
119O2 + PH2+ → PO+ + H2O7.80e-11 0.00 0.0010 - 41000
120OH- + HCN → CN- + H2O1.20e-9 0.00 0.0010 - 41000
121C- + H3O+ → C + H + H2O7.51e-8-0.50 0.0010 - 41000
122C10- + H3O+ → C10 + H + H2O7.51e-8-0.50 0.0010 - 41000
123C10H- + H3O+ → C10H + H + H2O7.51e-8-0.50 0.0010 - 41000
124C2- + H3O+ → C2 + H + H2O7.51e-8-0.50 0.0010 - 41000
125C2H- + H3O+ → C2H + H + H2O7.51e-8-0.50 0.0010 - 41000
126C3- + H3O+ → C3 + H + H2O7.51e-8-0.50 0.0010 - 41000
127C3H- + H3O+ → C3H + H + H2O7.51e-8-0.50 0.0010 - 41000
128C3N- + H3O+ → C3N + H + H2O7.51e-8-0.50 0.0010 - 41000
129C4- + H3O+ → C4 + H + H2O7.51e-8-0.50 0.0010 - 41000
130C4H- + H3O+ → C4H + H + H2O7.51e-8-0.50 0.0010 - 41000
131C5- + H3O+ → C5 + H + H2O7.51e-8-0.50 0.0010 - 41000
132C5H- + H3O+ → C5H + H + H2O7.51e-8-0.50 0.0010 - 41000
133C5N- + H3O+ → C5N + H + H2O7.51e-8-0.50 0.0010 - 41000
134C6- + H3O+ → C6 + H + H2O7.51e-8-0.50 0.0010 - 41000
135C6H- + H3O+ → C6H + H + H2O7.51e-8-0.50 0.0010 - 41000
136C7- + H3O+ → C7 + H + H2O7.51e-8-0.50 0.0010 - 41000
137C7H- + H3O+ → C7H + H + H2O7.51e-8-0.50 0.0010 - 41000
138C8- + H3O+ → C8 + H + H2O7.51e-8-0.50 0.0010 - 41000
139C8H- + H3O+ → C8H + H + H2O7.51e-8-0.50 0.0010 - 41000
140C9- + H3O+ → C9 + H + H2O7.51e-8-0.50 0.0010 - 41000
141C9H- + H3O+ → C9H + H + H2O7.51e-8-0.50 0.0010 - 41000
142CH- + H3O+ → CH + H + H2O7.51e-8-0.50 0.0010 - 41000
143CN- + H3O+ → CN + H + H2O7.51e-8-0.50 0.0010 - 41000
144H- + H3O+ → H + H + H2O7.51e-8-0.50 0.0010 - 41000
145O- + H3O+ → O + H + H2O7.51e-8-0.50 0.0010 - 41000
146O2- + H3O+ → O2 + H + H2O7.51e-8-0.50 0.0010 - 41000
147OH- + H3O+ → OH + H + H2O7.51e-8-0.50 0.0010 - 41000
148S- + H3O+ → S + H + H2O7.51e-8-0.50 0.0010 - 41000
149CH2 + O2 → CO + H2O2.48e-10-3.301443.001000 - 1828
150CH2 + OH → H2O + CH1.44e-11 0.503000.00100 - 300
151CH3 + NO → HCN + H2O4.00e-12 0.007900.001100 - 2080
152CH3 + O2 → HCO + H2O1.66e-12 0.00 0.001700 - 2000
153CH3 + OH → H2O + CH21.20e-10 0.001400.00300 - 1000
154CH4 + OH → H2O + CH33.77e-13 2.421162.00178 - 3000
155H2 + OH → H2O + H2.05e-12 1.521736.00250 - 2581
156H + H2O2 → H2O + OH1.70e-11 0.001800.00300 - 2500
157H + O2H → H2O + O5.00e-11 0.00866.00245 - 2500
158NH2 + NO → N2 + H2O4.27e-11-2.50331.00210 - 3000
159NH2 + OH → H2O + NH1.35e-12 1.25-43.50250 - 3000
160NH + OH → H2O + N3.11e-12 1.20 0.00298 - 3000
161OH + C2H2 → C2H + H2O1.05e-13 2.686060.00300 - 2500
162OH + C2H3 → C2H2 + H2O5.00e-11 0.00 0.0010 - 2500
163OH + C2H5 → C2H4 + H2O4.00e-11 0.00 0.0010 - 2500
164OH + H2CO → HCO + H2O7.76e-12 0.82-30.60200 - 3000
165OH + H2O2 → O2H + H2O5.26e-12 0.00307.00200 - 2500
166OH + H2S → HS + H2O6.30e-12 0.0080.00200 - 2500
167OH + HCN → CN + H2O1.87e-13 1.503887.00298 - 2840
168OH + HCO → CO + H2O1.70e-10 0.00 0.0010 - 2500
169OH + HNO → NO + H2O6.17e-12 1.23-44.30298 - 4000
170OH + NH3 → H2O + NH21.47e-13 2.05 7.00200 - 3000
171OH + O2H → O2 + H2O8.58e-11-0.5614.80200 - 2500
172OH + OH → H2O + O1.65e-12 1.1450.00200 - 2500
173H + OH → H2O + PHOTON5.26e-18-5.2290.0020 - 300

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