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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:
MS - J.A. Martinho Simões
ALS - H.Y. Afeefy, J.F. Liebman, and S.E. Stein
RCD - R.C. Dunbar

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Reactions 101 to 112

C11H13ClTi (cr) + (Hydrogen chloride bullet 4.40Water) (solution) = Titanocene dichloride (cr) + Methane (g)

By formula: C11H13ClTi (cr) + (HCl bullet 4.40H2O) (solution) = C10H10Cl2Ti (cr) + CH4 (g)

Quantity Value Units Method Reference Comment
Deltar-68.9 ± 3.1kJ/molRSCCalhorda, Dias, et al., 1987MS

Hydrogen + 2Methane, bromo- = 2Methane + Bromine

By formula: H2 + 2CH3Br = 2CH4 + Br2

Quantity Value Units Method Reference Comment
Deltar-28. ± 3.kJ/molChydAdams, Carson, et al., 1966liquid phase; ALS

Hydrogen + Methane, bromo- = Hydrogen bromide + Methane

By formula: H2 + CH3Br = HBr + CH4

Quantity Value Units Method Reference Comment
Deltar-73.6 ± 1.4kJ/molChydFowell, Lacher, et al., 1965gas phase; ALS

Hydrogen + Chloromethane = Methane + Hydrogen chloride

By formula: H2 + CH3Cl = CH4 + HCl

Quantity Value Units Method Reference Comment
Deltar-80.8 ± 0.4kJ/molChydLacher, Emery, et al., 1956gas phase; ALS

Tetrafluoromethane + 4hydrogen fluoride = Methane + 4fluorine

By formula: CF4 + 4HF = CH4 + 4F2

Quantity Value Units Method Reference Comment
Deltar-1922. ± 13.kJ/molCmJessup, McCoskey, et al., 1955gas phase; ALS

Methane + Bromine = Hydrogen bromide + Methane, bromo-

By formula: CH4 + Br2 = HBr + CH3Br

Quantity Value Units Method Reference Comment
Deltar-26.4 ± 0.7kJ/molEqkFerguson, Okafo, et al., 1973gas phase; ALS

C5H15Ta (l) + 2.5Water (l) = 0.5O5Ta2 (cr) + 5Methane (g)

By formula: C5H15Ta (l) + 2.5H2O (l) = 0.5O5Ta2 (cr) + 5CH4 (g)

Quantity Value Units Method Reference Comment
Deltar-853. ± 26.kJ/molRSCAdedeji, Connor J.A., et al., 1976MS

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

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

Quantity Value Units Method Reference Comment
Deltar15. ± 6.7kJ/molCIDTAndersen, Muntean, et al., 2000RCD

Methane + Methane, diiodo- = 2Methane, iodo-

By formula: CH4 + CH2I2 = 2CH3I

Quantity Value Units Method Reference Comment
Deltar-20. ± 4.2kJ/molEqkFuruyama, Golden, et al., 1968gas phase; ALS

C6H4CrO5 (g) = C5CrO5 (g) + Methane (g)

By formula: C6H4CrO5 (g) = C5CrO5 (g) + CH4 (g)

Quantity Value Units Method Reference Comment
Deltar33.5 ± 8.4kJ/molKG/ESTWells, House, et al., 1994MS

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

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

Quantity Value Units Method Reference Comment
Deltar28. ± 6.7kJ/molCIDTAndersen, Muntean, et al., 2000RCD

methyllithium (g) = lithium (g) + Methane (g)

By formula: CH3Li (g) = Li (g) + CH4 (g)

Quantity Value Units Method Reference Comment
Deltar276.kJ/molN/ASmith and Patrick, 1983MS

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.

Calhorda, Dias, et al., 1987
Calhorda, M.J.; Dias, A.R.; Minas da Piedade M.E.; Salema, M.S.; Martinho Simões J.A., Organometallics, 1987, 6, 734. [all data]

Adams, Carson, et al., 1966
Adams, G.P.; Carson, A.S.; Laye, P.G., Thermochemistry of reductions caused by lithium aluminium hydride. Part 4.-Heat of formation of methyl bromide, Trans. Faraday Soc., 1966, 62, 1447-1449. [all data]

Fowell, Lacher, et al., 1965
Fowell, P.; Lacher, J.R.; Park, J.D., Reaction heats of organic compounds. Part 3.-Heats of hydrogenation of methyl bromide and ethyl bromide, Trans. Faraday Soc., 1965, 61, 1324-1327. [all data]

Lacher, Emery, et al., 1956
Lacher, J.R.; Emery, E.; Bohmfalk, E.; Park, J.D., Reaction heats of organic compounds. IV. A high temperature calorimeter and the hydrogenation of methyl ethyl and vinyl chlorides, J. Phys. Chem., 1956, 60, 492-495. [all data]

Jessup, McCoskey, et al., 1955
Jessup, R.S.; McCoskey, R.E.; Nelson, R.A., The heat of formation of tetrafluoromethane, J. Am. Chem. Soc., 1955, 77, 244-245. [all data]

Ferguson, Okafo, et al., 1973
Ferguson, K.C.; Okafo, E.N.; Whittle, E., Bond dissociation energies from equilibrium studies Part 4.-The equilibrium Br2 + CH4 = HBr + CH3Br. Determination of D(CH3-Br) and «DELTA»Hf°(CH3Br,g), J. Chem. Soc. Faraday Trans. 1, 1973, 69, 295-301. [all data]

Adedeji, Connor J.A., et al., 1976
Adedeji, F.A.; Connor J.A.; Skinner, H.A.; Galyer, L.; Wilkinson, G., J. Chem. Soc., Chem. Commun., 1976, 159.. [all data]

Andersen, Muntean, et al., 2000
Andersen, A.; Muntean, F.; Walter, D.; Rue, C.; Armentrout, P.B., Collision-Induced Dissociation and Theoretical Studies of Mg+ Complexes with CO, CO2, NH3, CH4, CH3OH, and C6H6, J. Phys. Chem. A, 2000, 104, 4, 692, https://doi.org/10.1021/jp993031t . [all data]

Furuyama, Golden, et al., 1968
Furuyama, S.; Golden, D.M.; Benson, S.W., The thermochemistry of the gas-phase equilibrium 2CH3I = CH4 + CH2i2. The heat of formation of CH2I2, J. Phys. Chem., 1968, 72, 4713-4715. [all data]

Wells, House, et al., 1994
Wells, J.R.; House, P.G.; Weitz, E., J. Phys. Chem., 1994, 98, 8343. [all data]

Smith and Patrick, 1983
Smith, G.P.; Patrick, R., Int. J. Chem. Kinet., 1983, 15, 167. [all data]


Notes

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