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Methane

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Reaction thermochemistry data

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled as indicated in comments:
B - John E. Bartmess
M - Michael M. Meot-Ner (Mautner) and Sharon G. Lias
MS - José A. Martinho Simões
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.

Reactions 1 to 50

CH3- + Hydrogen cation = Methane

By formula: CH3- + H+ = CH4

Quantity Value Units Method Reference Comment
Deltar1743.6 ± 2.9kJ/molD-EAEllison, Engelking, et al., 1978gas phase; B
Deltar1749. ± 15.kJ/molCIDTGraul and Squires, 1990gas phase; B
Deltar>1691.1 ± 0.42kJ/molG+TSBohme, Lee-Ruff, et al., 1972gas phase; B
Deltar1735.5kJ/molN/ACheck, Faust, et al., 2001gas phase; FeBr3; ; «DELTA»S(EA)=9.3; B
Quantity Value Units Method Reference Comment
Deltar1709.8 ± 3.3kJ/molH-TSEllison, Engelking, et al., 1978gas phase; B
Deltar1715. ± 15.kJ/molH-TSGraul and Squires, 1990gas phase; B
Deltar>1657.3kJ/molIMRBBohme, Lee-Ruff, et al., 1972gas phase; B
Deltar1704.1kJ/molN/ACheck, Faust, et al., 2001gas phase; FeBr3; ; «DELTA»S(EA)=9.3; B

(CH5+ bullet Methane) + Methane = (CH5+ bullet 2Methane)

By formula: (CH5+ bullet CH4) + CH4 = (CH5+ bullet 2CH4)

Quantity Value Units Method Reference Comment
Deltar22. ± 1.kJ/molPHPMSHiraoka and Mori, 1989gas phase; M
Deltar25.kJ/molPHPMSHiraoka and Kebarle, 1975gas phase; M
Deltar6.3kJ/molHPMSField and Beggs, 1971gas phase; Entropy change is questionable; M
Quantity Value Units Method Reference Comment
Deltar104.J/mol*KPHPMSHiraoka and Mori, 1989gas phase; M
Deltar102.J/mol*KPHPMSHiraoka and Kebarle, 1975gas phase; M
Deltar30.J/mol*KHPMSField and Beggs, 1971gas phase; Entropy change is questionable; M

CH5+ + Methane = (CH5+ bullet Methane)

By formula: CH5+ + CH4 = (CH5+ bullet CH4)

Quantity Value Units Method Reference Comment
Deltar29. ± 1.kJ/molPHPMSHiraoka and Mori, 1989gas phase; M
Deltar31.kJ/molPHPMSHiraoka and Kebarle, 1975gas phase; M
Deltar17.kJ/molHPMSField and Beggs, 1971gas phase; Entropy change is questionable; M
Quantity Value Units Method Reference Comment
Deltar92.5J/mol*KPHPMSHiraoka and Mori, 1989gas phase; M
Deltar87.0J/mol*KPHPMSHiraoka and Kebarle, 1975gas phase; M
Deltar51.9J/mol*KHPMSField and Beggs, 1971gas phase; Entropy change is questionable; M

C2H5+ + Methane = (C2H5+ bullet Methane)

By formula: C2H5+ + CH4 = (C2H5+ bullet CH4)

Quantity Value Units Method Reference Comment
Deltar23.0kJ/molPHPMSHiraoka, Mori, et al., 1993gas phase; M
Deltar28.kJ/molPHPMSHiroka and Kebarle, 1975gas phase; M
Deltar10.kJ/molHPMSField and Beggs, 1971gas phase; Entropy change is questionable; M
Quantity Value Units Method Reference Comment
Deltar92.9J/mol*KPHPMSHiraoka, Mori, et al., 1993gas phase; M
Deltar97.9J/mol*KPHPMSHiroka and Kebarle, 1975gas phase; M
Deltar36.J/mol*KHPMSField and Beggs, 1971gas phase; Entropy change is questionable; M

(Cobalt ion (1+) bullet 2Methane) + Methane = (Cobalt ion (1+) bullet 3Methane)

By formula: (Co+ bullet 2CH4) + CH4 = (Co+ bullet 3CH4)

Quantity Value Units Method Reference Comment
Deltar46.kJ/molSIDTKemper, Bushnell, et al., 1993gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
Deltar84.J/mol*KN/AKemper, Bushnell, et al., 1993gas phase; Entropy change calculated or estimated; M

Enthalpy of reaction

DeltarH° (kJ/mol) T (K) Method Reference Comment
41. (+5.0,-0.) CIDArmentrout and Kickel, 1994gas phase; guided ion beam CID; M

Free energy of reaction

DeltarG° (kJ/mol) T (K) Method Reference Comment
3.477.SIDTKemper, Bushnell, et al., 1993gas phase; Entropy change calculated or estimated; M

Cobalt ion (1+) + Methane = (Cobalt ion (1+) bullet Methane)

By formula: Co+ + CH4 = (Co+ bullet CH4)

Quantity Value Units Method Reference Comment
Deltar82.8J/mol*KSIDTKemper, Bushnell, et al., 1993gas phase; «DELTA»rS(530 K); M

Enthalpy of reaction

DeltarH° (kJ/mol) T (K) Method Reference Comment
90.0 (+6.7,-0.) CIDHaynes and Armentrout, 1996gas phase; guided ion beam CID; M
90.0 (+5.9,-0.) CIDArmentrout and Kickel, 1994gas phase; guided ion beam CID; M
94. (+2.,-0.) SIDTKemper, Bushnell, et al., 1993gas phase; «DELTA»rS(530 K); M

(Cobalt ion (1+) bullet Methane) + Hydrogen = (Cobalt ion (1+) bullet Hydrogen bullet Methane)

By formula: (Co+ bullet CH4) + H2 = (Co+ bullet H2 bullet CH4)

Quantity Value Units Method Reference Comment
Deltar95.8J/mol*KSIDTKemper, Bushnell, et al., 1993gas phase; switching reaction(Co+).2H2, «DELTA»rS(440 K); Kemper, Bushnell, et al., 1993, 2; M

Enthalpy of reaction

DeltarH° (kJ/mol) T (K) Method Reference Comment
73. (+3.,-0.) SIDTKemper, Bushnell, et al., 1993gas phase; switching reaction(Co+).2H2, «DELTA»rS(440 K); Kemper, Bushnell, et al., 1993, 2; M

(Cobalt ion (1+) bullet Hydrogen) + Methane = (Cobalt ion (1+) bullet Methane bullet Hydrogen)

By formula: (Co+ bullet H2) + CH4 = (Co+ bullet CH4 bullet H2)

Quantity Value Units Method Reference Comment
Deltar91.2J/mol*KSIDTKemper, Bushnell, et al., 1993gas phase; switching reaction(Co+)2H2, «DELTA»rS(440 K); Kemper, Bushnell, et al., 1993, 2; M

Enthalpy of reaction

DeltarH° (kJ/mol) T (K) Method Reference Comment
94.6 (+5.0,-0.) SIDTKemper, Bushnell, et al., 1993gas phase; switching reaction(Co+)2H2, «DELTA»rS(440 K); Kemper, Bushnell, et al., 1993, 2; M

Manganese, pentacarbonylmethyl- (g) = C5MnO5 (g) + Methane (g)

By formula: C6H3MnO5 (g) = C5MnO5 (g) + CH4 (g)

Quantity Value Units Method Reference Comment
Deltar192. ± 15.kJ/molPIMSMartinho Simões and Beauchamp, 1990The reaction enthalpy was derived from the appearance energy of Mn(CO)5(+), 940.7 ± 4.8 kJ/mol, using Mn(CO)5(Me) as the neutral precursor, together with the adiabatic ionization energy of Mn(CO)5 radical, 749. ± 14. kJ/mol Martinho Simões and Beauchamp, 1990; MS

(Cobalt ion (1+) bullet Methane) + Methane = (Cobalt ion (1+) bullet 2Methane)

By formula: (Co+ bullet CH4) + CH4 = (Co+ bullet 2CH4)

Quantity Value Units Method Reference Comment
Deltar109.J/mol*KSIDTKemper, Bushnell, et al., 1993gas phase; «DELTA»rS(500 K); M

Enthalpy of reaction

DeltarH° (kJ/mol) T (K) Method Reference Comment
95.8 (+5.0,-0.) CIDArmentrout and Kickel, 1994gas phase; guided ion beam CID; M
104. (+4.2,-0.) SIDTKemper, Bushnell, et al., 1993gas phase; «DELTA»rS(500 K); M

(CH5+ bullet 2Methane) + Methane = (CH5+ bullet 3Methane)

By formula: (CH5+ bullet 2CH4) + CH4 = (CH5+ bullet 3CH4)

Quantity Value Units Method Reference Comment
Deltar13.1 ± 0.8kJ/molPHPMSHiraoka and Mori, 1989gas phase; M
Deltar17.kJ/molPHPMSHiraoka and Kebarle, 1975gas phase; M
Quantity Value Units Method Reference Comment
Deltar93.7J/mol*KPHPMSHiraoka and Mori, 1989gas phase; M
Deltar109.J/mol*KPHPMSHiraoka and Kebarle, 1975gas phase; M

(CH5+ bullet 3Methane) + Methane = (CH5+ bullet 4Methane)

By formula: (CH5+ bullet 3CH4) + CH4 = (CH5+ bullet 4CH4)

Quantity Value Units Method Reference Comment
Deltar12.6 ± 0.8kJ/molPHPMSHiraoka and Mori, 1989gas phase; M
Deltar16.kJ/molPHPMSHiraoka and Kebarle, 1975gas phase; M
Quantity Value Units Method Reference Comment
Deltar99.2J/mol*KPHPMSHiraoka and Mori, 1989gas phase; M
Deltar111.J/mol*KPHPMSHiraoka and Kebarle, 1975gas phase; M

Hydrogen bromide (g) + CH3BrMg (solution) = Methane (solution) + Br2Mg (solution)

By formula: HBr (g) + CH3BrMg (solution) = CH4 (solution) + Br2Mg (solution)

Quantity Value Units Method Reference Comment
Deltar-274.5 ± 2.2kJ/molRSCHolm, 1981solvent: Diethyl ether; The enthalpy of formation was calculated using the assumptions and the auxiliary data in Holm, 1981, except for the organic compound, whose enthalpy of formation was quoted from Pedley, 1994; MS

(Cobalt ion (1+) bullet Methane) + Ethane = (Cobalt ion (1+) bullet Ethane bullet Methane)

By formula: (Co+ bullet CH4) + C2H6 = (Co+ bullet C2H6 bullet CH4)

Quantity Value Units Method Reference Comment
Deltar108.J/mol*KSIDTKemper, Bushnell, et al., 1993gas phase; switching reaction(Co+).2CH4, «DELTA»rS(480 K); M

Enthalpy of reaction

DeltarH° (kJ/mol) T (K) Method Reference Comment
119. (+5.4,-0.) SIDTKemper, Bushnell, et al., 1993gas phase; switching reaction(Co+).2CH4, «DELTA»rS(480 K); M

C63H91CoN13O14P (solution) = Cyanocobalamin (solution) + Methane (solution)

By formula: C63H91CoN13O14P (solution) = C63H88CoN14O14P (solution) + CH4 (solution)

Quantity Value Units Method Reference Comment
Deltar155. ± 13.kJ/molKinSMartin and Finke, 1990solvent: Ethylene glycol; Please also see Martin and Finke, 1992. The reaction enthalpy relies on 172. ± 13. kJ/mol for the reaction activation enthalpy. The reaction refers to "base-on" cobalamine.; MS

C3H7+ + Methane = (C3H7+ bullet Methane)

By formula: C3H7+ + CH4 = (C3H7+ bullet CH4)

Quantity Value Units Method Reference Comment
Deltar10.8kJ/molPHPMSHiraoka, Mori, et al., 1993gas phase; M
Deltar14.kJ/molPHPMSHiraoka and Kebarle, 1976gas phase; M
Quantity Value Units Method Reference Comment
Deltar72.8J/mol*KPHPMSHiraoka, Mori, et al., 1993gas phase; M
Deltar84.J/mol*KPHPMSHiraoka and Kebarle, 1976gas phase; M

Hydrogen iodide + Methane, iodo- = Methane + Iodine

By formula: HI + CH3I = CH4 + I2

Quantity Value Units Method Reference Comment
Deltar-52.55 ± 0.54kJ/molEqkGolden, Walsh, et al., 1965gas phase; ALS
Deltar-53.0 ± 0.2kJ/molEqkGoy and Pritchard, 1965gas phase; ALS
Deltar-46.2 ± 5.6kJ/molCmNichol and Ubbelohde, 1952gas phase; ALS

(C2H5+ bullet 9Methane) + Methane = (C2H5+ bullet 10Methane)

By formula: (C2H5+ bullet 9CH4) + CH4 = (C2H5+ bullet 10CH4)

Quantity Value Units Method Reference Comment
Deltar7.99kJ/molPHPMSHiraoka, Mori, et al., 1993gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
Deltar92.J/mol*KN/AHiraoka, Mori, et al., 1993gas phase; Entropy change calculated or estimated; M

(C3H7+ bullet 7Methane) + Methane = (C3H7+ bullet 8Methane)

By formula: (C3H7+ bullet 7CH4) + CH4 = (C3H7+ bullet 8CH4)

Quantity Value Units Method Reference Comment
Deltar8.28kJ/molPHPMSHiraoka, Mori, et al., 1993gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
Deltar92.J/mol*KN/AHiraoka, Mori, et al., 1993gas phase; Entropy change calculated or estimated; M

(C4H9+ bullet 8Methane) + Methane = (C4H9+ bullet 9Methane)

By formula: (C4H9+ bullet 8CH4) + CH4 = (C4H9+ bullet 9CH4)

Quantity Value Units Method Reference Comment
Deltar7.78kJ/molPHPMSHiraoka, Mori, et al., 1993gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
Deltar84.J/mol*KN/AHiraoka, Mori, et al., 1993gas phase; Entropy change calculated or estimated; M

(CH5+ bullet 8Methane) + Methane = (CH5+ bullet 9Methane)

By formula: (CH5+ bullet 8CH4) + CH4 = (CH5+ bullet 9CH4)

Quantity Value Units Method Reference Comment
Deltar6.44kJ/molPHPMSHiraoka and Mori, 1989gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
Deltar84.J/mol*KN/AHiraoka and Mori, 1989gas phase; Entropy change calculated or estimated; M

(Cobalt ion (1+) bullet Water) + Methane = (Cobalt ion (1+) bullet Methane bullet Water)

By formula: (Co+ bullet H2O) + CH4 = (Co+ bullet CH4 bullet H2O)

Quantity Value Units Method Reference Comment
Deltar113.J/mol*KSIDTKemper, Bushnell, et al., 1993gas phase; «DELTA»rS(525 K); M

Enthalpy of reaction

DeltarH° (kJ/mol) T (K) Method Reference Comment
108. (+3.,-0.) SIDTKemper, Bushnell, et al., 1993gas phase; «DELTA»rS(525 K); M

(Hydronium cation bullet Methane) + Methane = (Hydronium cation bullet 2Methane)

By formula: (H3O+ bullet CH4) + CH4 = (H3O+ bullet 2CH4)

Quantity Value Units Method Reference Comment
Deltar14.kJ/molHPMSBennet and Field, 1972gas phase; Entropy change is questionable; M
Quantity Value Units Method Reference Comment
Deltar34.J/mol*KHPMSBennet and Field, 1972gas phase; Entropy change is questionable; M

(Cobalt ion (1+) bullet Ethane) + Methane = (Cobalt ion (1+) bullet Methane bullet Ethane)

By formula: (Co+ bullet C2H6) + CH4 = (Co+ bullet CH4 bullet C2H6)

Quantity Value Units Method Reference Comment
Deltar110.J/mol*KSIDTKemper, Bushnell, et al., 1993gas phase; «DELTA»rS(490 K); M

Enthalpy of reaction

DeltarH° (kJ/mol) T (K) Method Reference Comment
102. (+4.6,-0.) SIDTKemper, Bushnell, et al., 1993gas phase; «DELTA»rS(490 K); M

NH4+ + Methane = (NH4+ bullet Methane)

By formula: H4N+ + CH4 = (H4N+ bullet CH4)

Quantity Value Units Method Reference Comment
Deltar15.kJ/molHPMSBennet and Field, 1972, 2gas phase; Entropy change is questionable; M
Quantity Value Units Method Reference Comment
Deltar64.9J/mol*KHPMSBennet and Field, 1972, 2gas phase; Entropy change is questionable; M

Hydrogen bromide (g) + methyllithium (cr) = Methane (g) + Lithium bromide (cr)

By formula: HBr (g) + CH3Li (cr) = CH4 (g) + BrLi (cr)

Quantity Value Units Method Reference Comment
Deltar-317.3 ± 2.0kJ/molRSCHolm, 1974Please also see Pedley and Rylance, 1977. The reaction enthalpy was quoted from Pedley and Rylance, 1977. See Liebman, Martinho Simões, et al., 1995 for comments; MS

2Hydrogen + Methylene chloride = Methane + 2Hydrogen chloride

By formula: 2H2 + CH2Cl2 = CH4 + 2HCl

Quantity Value Units Method Reference Comment
Deltar-163.4 ± 1.3kJ/molChydLacher, Amador, et al., 1967gas phase; Reanalyzed by Cox and Pilcher, 1970, Original value = -167.7 ± 1.3 kJ/mol; At 250 C; ALS

Dimethylzinc (l) + (Sulfuric Acid bullet 100Water) (solution) = 2Methane (g) + (zinc sulphate bullet 100Water) (solution)

By formula: C2H6Zn (l) + (H2O4S bullet 100H2O) (solution) = 2CH4 (g) + (O4SZn bullet 100H2O) (solution)

Quantity Value Units Method Reference Comment
Deltar-341.8 ± 0.8kJ/molRSCCarson, Hartley, et al., 1949Please also see Pedley and Rylance, 1977 and Cox and Pilcher, 1970, 2.; MS

(CH5+ bullet 4Methane) + Methane = (CH5+ bullet 5Methane)

By formula: (CH5+ bullet 4CH4) + CH4 = (CH5+ bullet 5CH4)

Quantity Value Units Method Reference Comment
Deltar11.7 ± 0.8kJ/molPHPMSHiraoka and Mori, 1989gas phase; M
Quantity Value Units Method Reference Comment
Deltar104.J/mol*KPHPMSHiraoka and Mori, 1989gas phase; M

(CH5+ bullet 5Methane) + Methane = (CH5+ bullet 6Methane)

By formula: (CH5+ bullet 5CH4) + CH4 = (CH5+ bullet 6CH4)

Quantity Value Units Method Reference Comment
Deltar11.3 ± 0.8kJ/molPHPMSHiraoka and Mori, 1989gas phase; M
Quantity Value Units Method Reference Comment
Deltar106.J/mol*KPHPMSHiraoka and Mori, 1989gas phase; M

(CH5+ bullet 6Methane) + Methane = (CH5+ bullet 7Methane)

By formula: (CH5+ bullet 6CH4) + CH4 = (CH5+ bullet 7CH4)

Quantity Value Units Method Reference Comment
Deltar11.2 ± 0.8kJ/molPHPMSHiraoka and Mori, 1989gas phase; M
Quantity Value Units Method Reference Comment
Deltar111.J/mol*KPHPMSHiraoka and Mori, 1989gas phase; M

(CH5+ bullet 7Methane) + Methane = (CH5+ bullet 8Methane)

By formula: (CH5+ bullet 7CH4) + CH4 = (CH5+ bullet 8CH4)

Quantity Value Units Method Reference Comment
Deltar8.5 ± 0.8kJ/molPHPMSHiraoka and Mori, 1989gas phase; M
Quantity Value Units Method Reference Comment
Deltar90.4J/mol*KPHPMSHiraoka and Mori, 1989gas phase; M

(C2H5+ bullet 2Methane) + Methane = (C2H5+ bullet 3Methane)

By formula: (C2H5+ bullet 2CH4) + CH4 = (C2H5+ bullet 3CH4)

Quantity Value Units Method Reference Comment
Deltar9.54kJ/molPHPMSHiraoka, Mori, et al., 1993gas phase; M
Quantity Value Units Method Reference Comment
Deltar74.9J/mol*KPHPMSHiraoka, Mori, et al., 1993gas phase; M

(C2H5+ bullet 3Methane) + Methane = (C2H5+ bullet 4Methane)

By formula: (C2H5+ bullet 3CH4) + CH4 = (C2H5+ bullet 4CH4)

Quantity Value Units Method Reference Comment
Deltar9.46kJ/molPHPMSHiraoka, Mori, et al., 1993gas phase; M
Quantity Value Units Method Reference Comment
Deltar77.0J/mol*KPHPMSHiraoka, Mori, et al., 1993gas phase; M

(C2H5+ bullet 4Methane) + Methane = (C2H5+ bullet 5Methane)

By formula: (C2H5+ bullet 4CH4) + CH4 = (C2H5+ bullet 5CH4)

Quantity Value Units Method Reference Comment
Deltar9.29kJ/molPHPMSHiraoka, Mori, et al., 1993gas phase; M
Quantity Value Units Method Reference Comment
Deltar79.1J/mol*KPHPMSHiraoka, Mori, et al., 1993gas phase; M

(C2H5+ bullet 5Methane) + Methane = (C2H5+ bullet 6Methane)

By formula: (C2H5+ bullet 5CH4) + CH4 = (C2H5+ bullet 6CH4)

Quantity Value Units Method Reference Comment
Deltar9.25kJ/molPHPMSHiraoka, Mori, et al., 1993gas phase; M
Quantity Value Units Method Reference Comment
Deltar81.2J/mol*KPHPMSHiraoka, Mori, et al., 1993gas phase; M

(C2H5+ bullet 6Methane) + Methane = (C2H5+ bullet 7Methane)

By formula: (C2H5+ bullet 6CH4) + CH4 = (C2H5+ bullet 7CH4)

Quantity Value Units Method Reference Comment
Deltar8.91kJ/molPHPMSHiraoka, Mori, et al., 1993gas phase; M
Quantity Value Units Method Reference Comment
Deltar86.6J/mol*KPHPMSHiraoka, Mori, et al., 1993gas phase; M

(C2H5+ bullet 7Methane) + Methane = (C2H5+ bullet 8Methane)

By formula: (C2H5+ bullet 7CH4) + CH4 = (C2H5+ bullet 8CH4)

Quantity Value Units Method Reference Comment
Deltar8.79kJ/molPHPMSHiraoka, Mori, et al., 1993gas phase; M
Quantity Value Units Method Reference Comment
Deltar87.9J/mol*KPHPMSHiraoka, Mori, et al., 1993gas phase; M

(C2H5+ bullet 8Methane) + Methane = (C2H5+ bullet 9Methane)

By formula: (C2H5+ bullet 8CH4) + CH4 = (C2H5+ bullet 9CH4)

Quantity Value Units Method Reference Comment
Deltar8.70kJ/molPHPMSHiraoka, Mori, et al., 1993gas phase; M
Quantity Value Units Method Reference Comment
Deltar91.2J/mol*KPHPMSHiraoka, Mori, et al., 1993gas phase; M

(C3H7+ bullet 2Methane) + Methane = (C3H7+ bullet 3Methane)

By formula: (C3H7+ bullet 2CH4) + CH4 = (C3H7+ bullet 3CH4)

Quantity Value Units Method Reference Comment
Deltar9.46kJ/molPHPMSHiraoka, Mori, et al., 1993gas phase; M
Quantity Value Units Method Reference Comment
Deltar77.0J/mol*KPHPMSHiraoka, Mori, et al., 1993gas phase; M

(C3H7+ bullet 3Methane) + Methane = (C3H7+ bullet 4Methane)

By formula: (C3H7+ bullet 3CH4) + CH4 = (C3H7+ bullet 4CH4)

Quantity Value Units Method Reference Comment
Deltar9.20kJ/molPHPMSHiraoka, Mori, et al., 1993gas phase; M
Quantity Value Units Method Reference Comment
Deltar79.5J/mol*KPHPMSHiraoka, Mori, et al., 1993gas phase; M

(C3H7+ bullet 4Methane) + Methane = (C3H7+ bullet 5Methane)

By formula: (C3H7+ bullet 4CH4) + CH4 = (C3H7+ bullet 5CH4)

Quantity Value Units Method Reference Comment
Deltar9.20kJ/molPHPMSHiraoka, Mori, et al., 1993gas phase; M
Quantity Value Units Method Reference Comment
Deltar87.4J/mol*KPHPMSHiraoka, Mori, et al., 1993gas phase; M

(C3H7+ bullet 5Methane) + Methane = (C3H7+ bullet 6Methane)

By formula: (C3H7+ bullet 5CH4) + CH4 = (C3H7+ bullet 6CH4)

Quantity Value Units Method Reference Comment
Deltar9.16kJ/molPHPMSHiraoka, Mori, et al., 1993gas phase; M
Quantity Value Units Method Reference Comment
Deltar87.9J/mol*KPHPMSHiraoka, Mori, et al., 1993gas phase; M

(C3H7+ bullet 6Methane) + Methane = (C3H7+ bullet 7Methane)

By formula: (C3H7+ bullet 6CH4) + CH4 = (C3H7+ bullet 7CH4)

Quantity Value Units Method Reference Comment
Deltar9.04kJ/molPHPMSHiraoka, Mori, et al., 1993gas phase; M
Quantity Value Units Method Reference Comment
Deltar91.2J/mol*KPHPMSHiraoka, Mori, et al., 1993gas phase; M

(C4H9+ bullet 2Methane) + Methane = (C4H9+ bullet 3Methane)

By formula: (C4H9+ bullet 2CH4) + CH4 = (C4H9+ bullet 3CH4)

Quantity Value Units Method Reference Comment
Deltar9.92kJ/molPHPMSHiraoka, Mori, et al., 1993gas phase; M
Quantity Value Units Method Reference Comment
Deltar82.4J/mol*KPHPMSHiraoka, Mori, et al., 1993gas phase; M

(C4H9+ bullet 3Methane) + Methane = (C4H9+ bullet 4Methane)

By formula: (C4H9+ bullet 3CH4) + CH4 = (C4H9+ bullet 4CH4)

Quantity Value Units Method Reference Comment
Deltar9.87kJ/molPHPMSHiraoka, Mori, et al., 1993gas phase; M
Quantity Value Units Method Reference Comment
Deltar83.7J/mol*KPHPMSHiraoka, Mori, et al., 1993gas phase; M

(C4H9+ bullet 4Methane) + Methane = (C4H9+ bullet 5Methane)

By formula: (C4H9+ bullet 4CH4) + CH4 = (C4H9+ bullet 5CH4)

Quantity Value Units Method Reference Comment
Deltar9.25kJ/molPHPMSHiraoka, Mori, et al., 1993gas phase; M
Quantity Value Units Method Reference Comment
Deltar81.2J/mol*KPHPMSHiraoka, Mori, et al., 1993gas phase; M

(C4H9+ bullet 5Methane) + Methane = (C4H9+ bullet 6Methane)

By formula: (C4H9+ bullet 5CH4) + CH4 = (C4H9+ bullet 6CH4)

Quantity Value Units Method Reference Comment
Deltar8.74kJ/molPHPMSHiraoka, Mori, et al., 1993gas phase; M
Quantity Value Units Method Reference Comment
Deltar80.8J/mol*KPHPMSHiraoka, Mori, et al., 1993gas phase; M

(C4H9+ bullet 6Methane) + Methane = (C4H9+ bullet 7Methane)

By formula: (C4H9+ bullet 6CH4) + CH4 = (C4H9+ bullet 7CH4)

Quantity Value Units Method Reference Comment
Deltar8.58kJ/molPHPMSHiraoka, Mori, et al., 1993gas phase; M
Quantity Value Units Method Reference Comment
Deltar82.4J/mol*KPHPMSHiraoka, Mori, et al., 1993gas phase; M

(C4H9+ bullet 7Methane) + Methane = (C4H9+ bullet 8Methane)

By formula: (C4H9+ bullet 7CH4) + CH4 = (C4H9+ bullet 8CH4)

Quantity Value Units Method Reference Comment
Deltar8.33kJ/molPHPMSHiraoka, Mori, et al., 1993gas phase; M
Quantity Value Units Method Reference Comment
Deltar84.1J/mol*KPHPMSHiraoka, Mori, et al., 1993gas phase; M

References

Go To: Top, Reaction thermochemistry data, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

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Notes

Go To: Top, Reaction thermochemistry data, References