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
Reaction | α | β | γ | Tl - Tu (K) | |
---|---|---|---|---|---|
1 | H- + OH → H2O + e- | 1.00e-10 | 0.00 | 0.00 | 10 - 41000 |
2 | H2 + O- → H2O + e- | 7.00e-10 | 0.00 | 0.00 | 10 - 41000 |
3 | H + OH- → H2O + e- | 1.40e-9 | 0.00 | 0.00 | 10 - 41000 |
4 | CH2 + H2O+ → H2O + CH2+ | 4.70e-10 | 0.00 | 0.00 | 10 - 41000 |
5 | CH + H2O+ → H2O + CH+ | 3.40e-10 | -0.50 | 0.00 | 10 - 41000 |
6 | H2O+ + C2 → C2+ + H2O | 4.70e-10 | 0.00 | 0.00 | 10 - 41000 |
7 | H2O+ + C2H2 → C2H2+ + H2O | 1.90e-9 | 0.00 | 0.00 | 10 - 41000 |
8 | H2O+ + C2H4 → C2H4+ + H2O | 1.50e-9 | 0.00 | 0.00 | 10 - 41000 |
9 | H2O+ + C2H → C2H+ + H2O | 4.40e-10 | 0.00 | 0.00 | 10 - 41000 |
10 | H2O+ + CH3CH3 → CH3CH3+ + H2O | 6.40e-11 | 0.00 | 0.00 | 10 - 41000 |
11 | H2O+ + Fe → Fe+ + H2O | 1.50e-9 | 0.00 | 0.00 | 10 - 41000 |
12 | H2O+ + H2CO → H2CO+ + H2O | 1.41e-9 | -0.50 | 0.00 | 10 - 41000 |
13 | H2O+ + H2S → H2S+ + H2O | 9.72e-10 | -0.50 | 0.00 | 10 - 41000 |
14 | H2O+ + HCO → HCO+ + H2O | 2.80e-10 | -0.50 | 0.00 | 10 - 41000 |
15 | H2O+ + Mg → Mg+ + H2O | 2.20e-9 | 0.00 | 0.00 | 10 - 41000 |
16 | H2O+ + NO → NO+ + H2O | 2.70e-10 | 0.00 | 0.00 | 10 - 41000 |
17 | H2O+ + Na → Na+ + H2O | 6.20e-9 | 0.00 | 0.00 | 10 - 41000 |
18 | H2O+ + O2 → O2+ + H2O | 4.60e-10 | 0.00 | 0.00 | 10 - 41000 |
19 | H2O+ + OCS → OCS+ + H2O | 2.50e-9 | 0.00 | 0.00 | 10 - 41000 |
20 | H2O+ + S → S+ + H2O | 4.30e-10 | 0.00 | 0.00 | 10 - 41000 |
21 | H2O+ + Si → Si+ + H2O | 3.00e-9 | 0.00 | 0.00 | 10 - 41000 |
22 | NH2 + H2O+ → H2O + NH2+ | 4.90e-10 | -0.50 | 0.00 | 10 - 41000 |
23 | NH3 + H2O+ → H2O + NH3+ | 2.21e-9 | -0.50 | 0.00 | 10 - 41000 |
24 | C2H5OH2+ + e- → C2H4 + H2O + H | 1.77e-6 | -0.73 | 0.00 | 10 - 1000 |
25 | C2H5OH2+ + e- → C2H5 + H2O | 1.77e-6 | -0.73 | 0.00 | 10 - 1000 |
26 | CH2CO+ + e- → C2 + H2O | 2.00e-7 | -0.50 | 0.00 | 10 - 300 |
27 | CH3OH+ + e- → CH + H2O + H | 6.49e-7 | -0.66 | 0.00 | 10 - 1000 |
28 | CH3OH2+ + e- → CH2 + H2O + H | 1.87e-7 | -0.59 | 0.00 | 10 - 300 |
29 | CH3OH2+ + e- → CH3 + H2O | 8.01e-8 | -0.59 | 0.00 | 10 - 300 |
30 | H2OCN+ + e- → H2O + CN | 1.50e-7 | -0.50 | 0.00 | 10 - 300 |
31 | H3CO+ + e- → CH + H2O | 1.40e-8 | -0.78 | 0.00 | 10 - 1000 |
32 | H3O+ + e- → H2O + H | 7.09e-8 | -0.50 | 0.00 | 10 - 1000 |
33 | CH2 + H3O+ → H2O + CH3+ | 9.40e-10 | 0.00 | 0.00 | 10 - 41000 |
34 | CH3OH2+ + CH3OH → CH3OCH4+ + H2O | 7.60e-11 | -1.60 | 0.00 | 10 - 300 |
35 | CH3OH + PH2+ → PCH4+ + H2O | 1.60e-10 | -0.50 | 0.00 | 10 - 41000 |
36 | CH + H3O+ → H2O + CH2+ | 6.80e-10 | -0.50 | 0.00 | 10 - 41000 |
37 | H+ + CH3OH → CH3+ + H2O | 5.90e-10 | -0.50 | 0.00 | 10 - 41000 |
38 | H2 + NO2+ → NO+ + H2O | 1.50e-10 | 0.00 | 0.00 | 10 - 41000 |
39 | H2CO + C2H5OH2+ → CH3COCH4+ + H2O | 1.70e-11 | -0.50 | 0.00 | 10 - 300 |
40 | H2CO + CH3OH2+ → CH3CHOH+ + H2O | 2.10e-11 | -0.50 | 0.00 | 10 - 41000 |
41 | H2O+ + CH3CH3 → C2H4+ + H2O + H2 | 1.92e-10 | 0.00 | 0.00 | 10 - 41000 |
42 | H2S + SO+ → S2+ + H2O | 1.30e-9 | -0.50 | 0.00 | 10 - 41000 |
43 | H3+ + C2H5OH → C2H3+ + H2O + H2 + H2 | 4.00e-10 | -0.50 | 0.00 | 10 - 41000 |
44 | H3+ + C2H5OH → C2H5+ + H2O + H2 | 2.20e-10 | -0.50 | 0.00 | 10 - 41000 |
45 | H3+ + C2H5OH → CH3+ + CH4 + H2O | 1.50e-9 | -0.50 | 0.00 | 10 - 41000 |
46 | H3+ + CH3CHO → C2H3+ + H2 + H2O | 8.97e-10 | -0.50 | 0.00 | 10 - 41000 |
47 | H3+ + CH3CHO → C2H5+ + H2O | 7.59e-10 | -0.50 | 0.00 | 10 - 41000 |
48 | H3+ + CH3COCH3 → C2H3+ + CH4 + H2O | 1.16e-9 | -0.50 | 0.00 | 10 - 41000 |
49 | H3+ + CH3COCH3 → C3H5+ + H2O + H2 | 6.61e-10 | -0.50 | 0.00 | 10 - 41000 |
50 | H3+ + CH3OH → CH3+ + H2O + H2 | 3.71e-9 | -0.50 | 0.00 | 10 - 41000 |
51 | H3+ + HCOOH → HCO+ + H2O + H2 | 4.30e-9 | -0.50 | 0.00 | 10 - 41000 |
52 | H3O+ + C2 → C2H+ + H2O | 9.20e-10 | 0.00 | 0.00 | 10 - 41000 |
53 | H3O+ + C2H3 → C2H4+ + H2O | 2.00e-9 | -0.50 | 0.00 | 10 - 41000 |
54 | H3O+ + C2H5OH → C2H5OH2+ + H2O | 2.80e-9 | -0.50 | 0.00 | 10 - 41000 |
55 | H3O+ + C2O → HC2O+ + H2O | 1.00e-9 | -0.50 | 0.00 | 10 - 41000 |
56 | H3O+ + C2S → HC2S+ + H2O | 1.00e-9 | -0.50 | 0.00 | 10 - 41000 |
57 | H3O+ + C3 → C3H+ + H2O | 2.00e-9 | 0.00 | 0.00 | 10 - 41000 |
58 | H3O+ + C3H2 → C3H3+ + H2O | 3.00e-9 | -0.50 | 0.00 | 10 - 41000 |
59 | H3O+ + C3H → C3H2+ + H2O | 2.00e-9 | -0.50 | 0.00 | 10 - 41000 |
60 | H3O+ + C3N → HC3N+ + H2O | 2.00e-9 | -0.50 | 0.00 | 10 - 41000 |
61 | H3O+ + C3O → HC3O+ + H2O | 1.00e-9 | -0.50 | 0.00 | 10 - 41000 |
62 | H3O+ + C3P → PC3H+ + H2O | 1.00e-9 | -0.50 | 0.00 | 10 - 41000 |
63 | H3O+ + C3S → HC3S+ + H2O | 1.00e-9 | -0.50 | 0.00 | 10 - 41000 |
64 | H3O+ + C4 → C4H+ + H2O | 1.10e-9 | 0.00 | 0.00 | 10 - 41000 |
65 | H3O+ + C4H3 → C4H4+ + H2O | 1.00e-9 | 0.00 | 0.00 | 10 - 41000 |
66 | H3O+ + C4H → C4H2+ + H2O | 1.10e-9 | -0.50 | 0.00 | 10 - 41000 |
67 | H3O+ + C4P → PC4H+ + H2O | 1.00e-9 | -0.50 | 0.00 | 10 - 41000 |
68 | H3O+ + C4S → HC4S+ + H2O | 1.00e-9 | -0.50 | 0.00 | 10 - 41000 |
69 | H3O+ + C6H6 → C6H7+ + H2O | 1.30e-9 | 0.00 | 0.00 | 10 - 41000 |
70 | H3O+ + CCP → HC2P+ + H2O | 1.00e-9 | -0.50 | 0.00 | 10 - 41000 |
71 | H3O+ + CH2CCH → C3H4+ + H2O | 2.00e-9 | -0.50 | 0.00 | 10 - 41000 |
72 | H3O+ + H2CCO → CH3CO+ + H2O | 2.00e-9 | -0.50 | 0.00 | 10 - 41000 |
73 | H3O+ + CH2NH → CH2NH2+ + H2O | 1.00e-9 | -0.50 | 0.00 | 10 - 41000 |
74 | H3O+ + CH2PH → PCH4+ + H2O | 1.00e-9 | 0.00 | 0.00 | 10 - 41000 |
75 | H3O+ + CH3CCH → C3H5+ + H2O | 1.80e-9 | 0.00 | 0.00 | 10 - 41000 |
76 | H3O+ + CH3CHCH2 → C3H7+ + H2O | 1.70e-9 | 0.00 | 0.00 | 10 - 41000 |
77 | H3O+ + CH3CHO → CH3CHOH+ + H2O | 3.60e-9 | -0.50 | 0.00 | 10 - 41000 |
78 | H3O+ + CH3CN → CH3CNH+ + H2O | 4.70e-9 | -0.50 | 0.00 | 10 - 41000 |
79 | H3O+ + CH3COCH3 → CH3COCH4+ + H2O | 3.90e-9 | -0.50 | 0.00 | 10 - 41000 |
80 | H3O+ + CH3OCH3 → CH3OCH4+ + H2O | 2.70e-9 | -0.50 | 0.00 | 10 - 41000 |
81 | H3O+ + CH3OH → CH3OH2+ + H2O | 2.50e-9 | -0.50 | 0.00 | 10 - 41000 |
82 | H3O+ + CP → HCP+ + H2O | 1.00e-9 | 0.00 | 0.00 | 10 - 41000 |
83 | H3O+ + CS → HCS+ + H2O | 1.00e-9 | -0.50 | 0.00 | 10 - 41000 |
84 | H3O+ + H2CCC → CH2CCH+ + H2O | 3.00e-9 | -0.50 | 0.00 | 10 - 41000 |
85 | H3O+ + H2CO → H3CO+ + H2O | 3.40e-9 | -0.50 | 0.00 | 10 - 41000 |
86 | H3O+ + H2S2 → H3S2+ + H2O | 2.00e-9 | -0.50 | 0.00 | 10 - 41000 |
87 | H3O+ + H2S → H3S+ + H2O | 1.90e-9 | -0.50 | 0.00 | 10 - 41000 |
88 | H3O+ + H2SiO → H3SiO+ + H2O | 2.00e-9 | -0.50 | 0.00 | 10 - 41000 |
89 | H3O+ + HC2P → PC2H2+ + H2O | 1.00e-9 | 0.00 | 0.00 | 10 - 41000 |
90 | H3O+ + HC3N → HC3NH+ + H2O | 4.00e-9 | -0.50 | 0.00 | 10 - 41000 |
91 | H3O+ + HC4H → C4H3+ + H2O | 1.10e-9 | 0.00 | 0.00 | 10 - 41000 |
92 | H3O+ + HCN → HCNH+ + H2O | 3.80e-9 | -0.50 | 0.00 | 10 - 41000 |
93 | H3O+ + HCOOCH3 → H5C2O2+ + H2O | 3.00e-9 | -0.50 | 0.00 | 10 - 41000 |
94 | H3O+ + HCP → PCH2+ + H2O | 1.00e-9 | 0.00 | 0.00 | 10 - 41000 |
95 | H3O+ + HCSi → SiCH2+ + H2O | 2.00e-9 | 0.00 | 0.00 | 10 - 41000 |
96 | H3O+ + HNC → HCNH+ + H2O | 4.00e-9 | -0.50 | 0.00 | 10 - 41000 |
97 | H3O+ + HNSi → SiNH2+ + H2O | 2.00e-9 | 0.00 | 0.00 | 10 - 41000 |
98 | H3O+ + HPO → H2PO+ + H2O | 1.00e-9 | -0.50 | 0.00 | 10 - 41000 |
99 | H3O+ + HS2 → H2S2+ + H2O | 2.00e-9 | -0.50 | 0.00 | 10 - 41000 |
100 | H3O+ + Na → Na+ + H2O + H | 3.10e-9 | 0.00 | 0.00 | 10 - 41000 |
101 | H3O+ + PN → HPN+ + H2O | 1.00e-9 | -0.50 | 0.00 | 10 - 41000 |
102 | H3O+ + S2 → HS2+ + H2O | 2.00e-9 | 0.00 | 0.00 | 10 - 41000 |
103 | H3O+ + Si → SiH+ + H2O | 1.80e-9 | 0.00 | 0.00 | 10 - 41000 |
104 | H3O+ + SiC2 → SiC2H+ + H2O | 2.00e-9 | -0.50 | 0.00 | 10 - 41000 |
105 | H3O+ + SiC2H → SiC2H2+ + H2O | 2.00e-9 | -0.50 | 0.00 | 10 - 41000 |
106 | H3O+ + SiC → HCSi+ + H2O | 3.00e-9 | -0.50 | 0.00 | 10 - 41000 |
107 | H3O+ + SiCH3 → SiCH4+ + H2O | 2.00e-9 | 0.00 | 0.00 | 10 - 41000 |
108 | H3O+ + SiH2 → SiH3+ + H2O | 2.00e-9 | 0.00 | 0.00 | 10 - 41000 |
109 | H3O+ + SiH → SiH2+ + H2O | 9.70e-10 | 0.00 | 0.00 | 10 - 41000 |
110 | H3O+ + SiNC → SiNCH+ + H2O | 2.00e-9 | -0.50 | 0.00 | 10 - 41000 |
111 | H3O+ + SiO → SiOH+ + H2O | 2.00e-9 | -0.50 | 0.00 | 10 - 41000 |
112 | HCN + CH3OH2+ → CH3CNH+ + H2O | 2.30e-11 | -0.50 | 0.00 | 10 - 41000 |
113 | HNC3 + H3O+ → HC3NH+ + H2O | 5.19e-9 | -0.50 | 0.00 | 10 - 41000 |
114 | NH2 + H3O+ → H2O + NH3+ | 9.70e-10 | -0.50 | 0.00 | 10 - 41000 |
115 | NH3 + H3O+ → NH4+ + H2O | 2.20e-9 | -0.50 | 0.00 | 10 - 41000 |
116 | O+ + C2H4 → C2H2+ + H2O | 1.12e-9 | 0.00 | 0.00 | 10 - 41000 |
117 | O+ + CH3OH → H2CO+ + H2O | 9.50e-11 | -0.50 | 0.00 | 10 - 41000 |
118 | O+ + H2S → S+ + H2O | 2.20e-10 | -0.50 | 0.00 | 10 - 41000 |
119 | O2 + PH2+ → PO+ + H2O | 7.80e-11 | 0.00 | 0.00 | 10 - 41000 |
120 | OH- + HCN → CN- + H2O | 1.20e-9 | 0.00 | 0.00 | 10 - 41000 |
121 | C- + H3O+ → C + H + H2O | 7.51e-8 | -0.50 | 0.00 | 10 - 41000 |
122 | C10- + H3O+ → C10 + H + H2O | 7.51e-8 | -0.50 | 0.00 | 10 - 41000 |
123 | C10H- + H3O+ → C10H + H + H2O | 7.51e-8 | -0.50 | 0.00 | 10 - 41000 |
124 | C2- + H3O+ → C2 + H + H2O | 7.51e-8 | -0.50 | 0.00 | 10 - 41000 |
125 | C2H- + H3O+ → C2H + H + H2O | 7.51e-8 | -0.50 | 0.00 | 10 - 41000 |
126 | C3- + H3O+ → C3 + H + H2O | 7.51e-8 | -0.50 | 0.00 | 10 - 41000 |
127 | C3H- + H3O+ → C3H + H + H2O | 7.51e-8 | -0.50 | 0.00 | 10 - 41000 |
128 | C3N- + H3O+ → C3N + H + H2O | 7.51e-8 | -0.50 | 0.00 | 10 - 41000 |
129 | C4- + H3O+ → C4 + H + H2O | 7.51e-8 | -0.50 | 0.00 | 10 - 41000 |
130 | C4H- + H3O+ → C4H + H + H2O | 7.51e-8 | -0.50 | 0.00 | 10 - 41000 |
131 | C5- + H3O+ → C5 + H + H2O | 7.51e-8 | -0.50 | 0.00 | 10 - 41000 |
132 | C5H- + H3O+ → C5H + H + H2O | 7.51e-8 | -0.50 | 0.00 | 10 - 41000 |
133 | C5N- + H3O+ → C5N + H + H2O | 7.51e-8 | -0.50 | 0.00 | 10 - 41000 |
134 | C6- + H3O+ → C6 + H + H2O | 7.51e-8 | -0.50 | 0.00 | 10 - 41000 |
135 | C6H- + H3O+ → C6H + H + H2O | 7.51e-8 | -0.50 | 0.00 | 10 - 41000 |
136 | C7- + H3O+ → C7 + H + H2O | 7.51e-8 | -0.50 | 0.00 | 10 - 41000 |
137 | C7H- + H3O+ → C7H + H + H2O | 7.51e-8 | -0.50 | 0.00 | 10 - 41000 |
138 | C8- + H3O+ → C8 + H + H2O | 7.51e-8 | -0.50 | 0.00 | 10 - 41000 |
139 | C8H- + H3O+ → C8H + H + H2O | 7.51e-8 | -0.50 | 0.00 | 10 - 41000 |
140 | C9- + H3O+ → C9 + H + H2O | 7.51e-8 | -0.50 | 0.00 | 10 - 41000 |
141 | C9H- + H3O+ → C9H + H + H2O | 7.51e-8 | -0.50 | 0.00 | 10 - 41000 |
142 | CH- + H3O+ → CH + H + H2O | 7.51e-8 | -0.50 | 0.00 | 10 - 41000 |
143 | CN- + H3O+ → CN + H + H2O | 7.51e-8 | -0.50 | 0.00 | 10 - 41000 |
144 | H- + H3O+ → H + H + H2O | 7.51e-8 | -0.50 | 0.00 | 10 - 41000 |
145 | O- + H3O+ → O + H + H2O | 7.51e-8 | -0.50 | 0.00 | 10 - 41000 |
146 | O2- + H3O+ → O2 + H + H2O | 7.51e-8 | -0.50 | 0.00 | 10 - 41000 |
147 | OH- + H3O+ → OH + H + H2O | 7.51e-8 | -0.50 | 0.00 | 10 - 41000 |
148 | S- + H3O+ → S + H + H2O | 7.51e-8 | -0.50 | 0.00 | 10 - 41000 |
149 | CH2 + O2 → CO + H2O | 2.48e-10 | -3.30 | 1443.00 | 1000 - 1828 |
150 | CH2 + OH → H2O + CH | 1.44e-11 | 0.50 | 3000.00 | 100 - 300 |
151 | CH3 + NO → HCN + H2O | 4.00e-12 | 0.00 | 7900.00 | 1100 - 2080 |
152 | CH3 + O2 → HCO + H2O | 1.66e-12 | 0.00 | 0.00 | 1700 - 2000 |
153 | CH3 + OH → H2O + CH2 | 1.20e-10 | 0.00 | 1400.00 | 300 - 1000 |
154 | CH4 + OH → H2O + CH3 | 3.77e-13 | 2.42 | 1162.00 | 178 - 3000 |
155 | H2 + OH → H2O + H | 2.05e-12 | 1.52 | 1736.00 | 250 - 2581 |
156 | H + H2O2 → H2O + OH | 1.70e-11 | 0.00 | 1800.00 | 300 - 2500 |
157 | H + O2H → H2O + O | 5.00e-11 | 0.00 | 866.00 | 245 - 2500 |
158 | NH2 + NO → N2 + H2O | 4.27e-11 | -2.50 | 331.00 | 210 - 3000 |
159 | NH2 + OH → H2O + NH | 1.35e-12 | 1.25 | -43.50 | 250 - 3000 |
160 | NH + OH → H2O + N | 3.11e-12 | 1.20 | 0.00 | 298 - 3000 |
161 | OH + C2H2 → C2H + H2O | 1.05e-13 | 2.68 | 6060.00 | 300 - 2500 |
162 | OH + C2H3 → C2H2 + H2O | 5.00e-11 | 0.00 | 0.00 | 10 - 2500 |
163 | OH + C2H5 → C2H4 + H2O | 4.00e-11 | 0.00 | 0.00 | 10 - 2500 |
164 | OH + H2CO → HCO + H2O | 7.76e-12 | 0.82 | -30.60 | 200 - 3000 |
165 | OH + H2O2 → O2H + H2O | 5.26e-12 | 0.00 | 307.00 | 200 - 2500 |
166 | OH + H2S → HS + H2O | 6.30e-12 | 0.00 | 80.00 | 200 - 2500 |
167 | OH + HCN → CN + H2O | 1.87e-13 | 1.50 | 3887.00 | 298 - 2840 |
168 | OH + HCO → CO + H2O | 1.70e-10 | 0.00 | 0.00 | 10 - 2500 |
169 | OH + HNO → NO + H2O | 6.17e-12 | 1.23 | -44.30 | 298 - 4000 |
170 | OH + NH3 → H2O + NH2 | 1.47e-13 | 2.05 | 7.00 | 200 - 3000 |
171 | OH + O2H → O2 + H2O | 8.58e-11 | -0.56 | 14.80 | 200 - 2500 |
172 | OH + OH → H2O + O | 1.65e-12 | 1.14 | 50.00 | 200 - 2500 |
173 | H + OH → H2O + PHOTON | 5.26e-18 | -5.22 | 90.00 | 20 - 300 |
Variation of log fractional abundance (relative to H2) with log time (years) in a dark cloud model. Ref. RATE12 paper.