Follow @UMISTDatabase

.. common
H2
CO
H
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-

C2H4

Ethylene
Flags: Detected, RATE12
Empirical: C2H4
Mass: 28 amu
Heat of formation: 60.7 kJ mol-1
Added to system: 2003-04-28 18:00:51

Reactions: Formation | Destruction

44 C2H4 formation reactions

ReactionαβγTl - Tu (K)
1C2H3 + C2H4+ → C2H4 + C2H3+5.00e-10-0.50 0.0010 - 41000
2C2H4+ + CH2CCH → C3H3+ + C2H48.00e-10-0.50 0.0010 - 300
3C2H4+ + H2S → H2S+ + C2H46.57e-10-0.50 0.0010 - 41000
4NH3 + C2H4+ → C2H4 + NH3+1.80e-9-0.50 0.0010 - 41000
5CH3CH3 + CRPHOT → C2H4 + H21.30e-17 0.001881.0010 - 41000
6CH3CHCH2 + CRPHOT → C2H4 + CH21.30e-17 0.00750.0010 - 41000
7C2H5+ + e- → C2H4 + H3.36e-8-0.79 0.0010 - 300
8C2H5CNH+ + e- → C2H4 + HNC + H2.06e-7-0.76 0.0010 - 1000
9C2H5OH2+ + e- → C2H4 + H2O + H1.77e-6-0.73 0.0010 - 1000
10C3H7+ + e- → C2H4 + CH2 + H9.20e-9-0.73 0.0010 - 300
11CH3CH3+ + e- → C2H4 + H21.50e-7-0.50 0.0010 - 300
12PC2H4+ + e- → P + C2H41.00e-7-0.50 0.0010 - 300
13C+ + CH3CHCH2 → C2H2+ + C2H43.00e-10 0.00 0.0010 - 41000
14C2H2+ + CH3CH3 → C2H4+ + C2H42.48e-10 0.00 0.0010 - 41000
15C2H2+ + SiH4 → Si+ + C2H4 + H26.60e-11 0.00 0.0010 - 41000
16C2H2+ + SiH4 → SiH2+ + C2H41.65e-10 0.00 0.0010 - 41000
17C2H3+ + CH3CH3 → C2H5+ + C2H42.91e-10 0.00 0.0010 - 41000
18C2H5+ + CH3CN → CH3CNH+ + C2H43.80e-9-0.50 0.0010 - 41000
19C2H5+ + H2CO → H3CO+ + C2H43.10e-9-0.50 0.0010 - 41000
20C2H5+ + H2S → H3S+ + C2H46.70e-10-0.50 0.0010 - 41000
21C2H5+ + HC3N → HC3NH+ + C2H43.30e-9-0.50 0.0010 - 41000
22C3H2+ + CH2CCH2 → C4H2+ + C2H45.60e-11 0.00 0.0010 - 41000
23C3H2+ + CH3CCH → C4H2+ + C2H41.17e-10 0.00 0.0010 - 41000
24C3H4+ + CH2CCH2 → C4H4+ + C2H45.50e-11 0.00 0.0010 - 41000
25C3H5+ + CH3CHCH2 → C4H7+ + C2H41.00e-9 0.00 0.0010 - 41000
26CH3+ + CH3CHO → H3CO+ + C2H41.98e-9-0.50 0.0010 - 41000
27CH3+ + CH3CN → HCNH+ + C2H41.04e-9-0.50 0.0010 - 41000
28CH3CH3 + S2+ → H2S2+ + C2H41.10e-9 0.001057.2010 - 41000
29H2O + C2H5+ → C2H4 + H3O+1.40e-9-0.50 0.0010 - 41000
30H3+ + CH3CHO → H3O+ + C2H41.04e-9-0.50 0.0010 - 41000
31HCN + C2H5+ → C2H4 + HCNH+2.70e-9-0.50 0.0010 - 41000
32HNC + C2H5+ → C2H4 + HCNH+2.70e-9-0.50 0.0010 - 41000
33NH3 + C2H5+ → C2H4 + NH4+2.10e-9-0.50 0.0010 - 41000
34NH3 + C3H3+ → HCNH+ + C2H44.00e-10-0.50 0.0010 - 41000
35OH+ + CH3CH3 → C2H4 + H3O+1.60e-10 0.00 0.0010 - 41000
36S+ + CH3CHCH2 → H2CS+ + C2H41.20e-10 0.00 0.0010 - 41000
37CH2CHCHCH2 + H → C2H4 + C2H36.64e-13 0.00 0.001300 - 2000
38CH3 + CH3 → C2H4 + H21.66e-8 0.0016556.00300 - 2651
39CH + CH3CH3 → C2H4 + CH32.47e-11-0.5229.2023 - 700
40CH + CH4 → C2H4 + H1.05e-10-1.0436.0023 - 300
41N + C2H5 → C2H4 + NH7.15e-11 0.00 0.0010 - 300
42O + CH2CCH2 → CO + C2H42.30e-12 2.0490.50200 - 1000
43OH + C2H5 → C2H4 + H2O4.00e-11 0.00 0.0010 - 2500
44CH3CHCH2 + PHOTON → C2H4 + CH21.13e-9 0.00 1.6010 - 41000

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