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Hydrogen

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Reaction thermochemistry data

Go To: Top, References, Notes

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

Data compiled by: 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 401 to 450

2Hydrogen + 2-Decyne = Decane

By formula: 2H2 + C10H18 = C10H22

Quantity Value Units Method Reference Comment
Deltar-65.27 ± 0.51kcal/molChydRogers, Dagdagan, et al., 1979liquid phase; solvent: Hexane

2Hydrogen + 3-Decyne = Decane

By formula: 2H2 + C10H18 = C10H22

Quantity Value Units Method Reference Comment
Deltar-64.86 ± 0.47kcal/molChydRogers, Dagdagan, et al., 1979liquid phase; solvent: Hexane

2Hydrogen + 4-Decyne = Decane

By formula: 2H2 + C10H18 = C10H22

Quantity Value Units Method Reference Comment
Deltar-64.39 ± 0.41kcal/molChydRogers, Dagdagan, et al., 1979liquid phase; solvent: Hexane

2Hydrogen + 5-Decyne = Decane

By formula: 2H2 + C10H18 = C10H22

Quantity Value Units Method Reference Comment
Deltar-64.10 ± 0.47kcal/molChydRogers, Dagdagan, et al., 1979liquid phase; solvent: Hexane

9-Octadecenoic acid (Z)-, methyl ester + Hydrogen = Methyl stearate

By formula: C19H36O2 + H2 = C19H38O2

Quantity Value Units Method Reference Comment
Deltar-29.26 ± 0.28kcal/molChydRogers and Siddiqui, 1975liquid phase; solvent: n-Hexane

Hydrogen + Cetene = Hexadecane

By formula: H2 + C16H32 = C16H34

Quantity Value Units Method Reference Comment
Deltar-29.60 ± 0.44kcal/molChydRogers and Skanupong, 1974liquid phase; solvent: Hexane

1-Octadecene + Hydrogen = Octadecane

By formula: C18H36 + H2 = C18H38

Quantity Value Units Method Reference Comment
Deltar-30.08 ± 0.41kcal/molChydRogers and Skanupong, 1974liquid phase; solvent: Hexane

Cyclopentene, 3-methyl- + Hydrogen = Cyclopentane, methyl-

By formula: C6H10 + H2 = C6H12

Quantity Value Units Method Reference Comment
Deltar-27.58 ± 0.18kcal/molChydAllinger, Dodziuk, et al., 1982liquid phase; solvent: Hexane

Hydrogen + Cyclopropane,ethenyl- = Cyclopropane, ethyl-

By formula: H2 + C5H8 = C5H10

Quantity Value Units Method Reference Comment
Deltar-35.5 ± 1.0kcal/molChydChesick, 1963liquid phase; solvent: Acetic acid

2Hydrogen + Bicyclo[3.3.0]octa-2,6-diene = Pentalene, octahydro-, cis-

By formula: 2H2 + C8H10 = C8H14

Quantity Value Units Method Reference Comment
Deltar-54.2 ± 0.5kcal/molChydRogers, Loggins, et al., 1990liquid phase; solvent: Hexane

2Hydrogen + Bicyclo[3.3.0]octa-2,7-diene = Pentalene, octahydro-, cis-

By formula: 2H2 + C8H10 = C8H14

Quantity Value Units Method Reference Comment
Deltar-54.2 ± 0.5kcal/molChydRogers, Loggins, et al., 1990liquid phase; solvent: Hexane

Hydrogen + 2H-Pyran, 3,4-dihydro-2-methoxy- = 2H-Pyran, tetrahydro-2-methoxy-

By formula: H2 + C6H10O2 = C6H12O2

Quantity Value Units Method Reference Comment
Deltar-25.89 ± 0.28kcal/molChydAllinger, Glaser, et al., 1981liquid phase; solvent: Hexane

Hydrogen + 9-Oxabicyclo[3.3.1]non-1-ene = 9-Oxabicyclo[3.3.1]nonane

By formula: H2 + C8H12O = C8H14O

Quantity Value Units Method Reference Comment
Deltar-36.98 ± 0.21kcal/molChydAllinger, Glaser, et al., 1981liquid phase; solvent: Hexane

Hydrogen + (E)-N-Isopropylacetaldimine = 2-Propanamine, N-ethyl-

By formula: H2 + C5H11N = C5H13N

Quantity Value Units Method Reference Comment
Deltar21.9 ± 0.98kcal/molChydHafelinger and Steinmann, 1977liquid phase; solvent: Acetic acid

2Hydrogen + 1,1,4,4-Tetramethylcyclododec-8-yne = Cyclododecane, 1,1,4,4-tetramethyl-

By formula: 2H2 + C16H28 = C16H32

Quantity Value Units Method Reference Comment
Deltar-61.3kcal/molChydSicher, Svoboda, et al., 1968liquid phase; solvent: Acetic acid

Hydrogen + 2-Propenoic acid = Propanoic acid

By formula: H2 + C3H4O2 = C3H6O2

Quantity Value Units Method Reference Comment
Deltar-30.4 ± 0.2kcal/molChydSkinner and Snelson, 1959liquid phase; solvent: Acetic acid

Hydrogen + 2-Propenoic acid, 2-methyl- = Propanoic acid, 2-methyl-

By formula: H2 + C4H6O2 = C4H8O2

Quantity Value Units Method Reference Comment
Deltar-28.2 ± 0.3kcal/molChydSkinner and Snelson, 1959liquid phase; solvent: Acetic acid

2Hydrogen + 1-Hexyne = n-Hexane

By formula: 2H2 + C6H10 = C6H14

Quantity Value Units Method Reference Comment
Deltar-69.16 ± 0.11kcal/molChydRogers, Dagdagan, et al., 1979liquid phase; solvent: Hexane

2Hydrogen + 3-Hexyne = n-Hexane

By formula: 2H2 + C6H10 = C6H14

Quantity Value Units Method Reference Comment
Deltar-65.11 ± 0.28kcal/molChydRogers, Dagdagan, et al., 1979liquid phase; solvent: Hexane

2Hydrogen + 1-Heptyne = Heptane

By formula: 2H2 + C7H12 = C7H16

Quantity Value Units Method Reference Comment
Deltar-69.65 ± 0.39kcal/molChydRogers, Dagdagan, et al., 1979liquid phase; solvent: Hexane

2Hydrogen + 1-Decyne = Decane

By formula: 2H2 + C10H18 = C10H22

Quantity Value Units Method Reference Comment
Deltar-69.65 ± 0.51kcal/molChydRogers, Dagdagan, et al., 1979liquid phase; solvent: Hexane

2Hydrogen + 5,5,8,8-Tetramethylcyclodecyne = 1,1,4,4-Tetramethyl-cyclodecane

By formula: 2H2 + C14H24 = C14H28

Quantity Value Units Method Reference Comment
Deltar-58.9kcal/molChydSicher, Svoboda, et al., 1966liquid phase; solvent: Acetic acid

Hydrogen + trans-1,1,4,4-Tetramethylcyclododec-8-ene = Cyclododecane, 1,1,4,4-tetramethyl-

By formula: H2 + C16H30 = C16H32

Quantity Value Units Method Reference Comment
Deltar-26.6kcal/molChydSicher, Svoboda, et al., 1968liquid phase; solvent: Acetic acid

2Hydrogen + Ethene, 1,1'-[oxybis(2,1-ethanediyloxy)]bis- = Diethyl carbitol

By formula: 2H2 + C8H14O3 = C8H18O3

Quantity Value Units Method Reference Comment
Deltar-53.71 ± 0.43kcal/molChydAllinger, Glaser, et al., 1981liquid phase; solvent: Hexane

Furan, 2,3-dihydro- + Hydrogen = Tetrahydrofuran

By formula: C4H6O + H2 = C4H8O

Quantity Value Units Method Reference Comment
Deltar-25.57 ± 0.30kcal/molChydAllinger, Glaser, et al., 1981liquid phase; solvent: Hexane

Hydrogen + Furan, 2,5-dihydro- = Tetrahydrofuran

By formula: H2 + C4H6O = C4H8O

Quantity Value Units Method Reference Comment
Deltar-27.98 ± 0.31kcal/molChydAllinger, Glaser, et al., 1981liquid phase; solvent: Hexane

Hydrogen + cis-1,1,4,4-Tetramethylcyclododec-8-ene = Cyclododecane, 1,1,4,4-tetramethyl-

By formula: H2 + C16H30 = C16H32

Quantity Value Units Method Reference Comment
Deltar-31.1kcal/molChydSicher, Svoboda, et al., 1968liquid phase; solvent: Acetic acid

2Hydrogen + 4,4,7,7-Tetramethylcyclodecyne = 1,1,4,4-Tetramethyl-cyclodecane

By formula: 2H2 + C14H24 = C14H28

Quantity Value Units Method Reference Comment
Deltar-61.7kcal/molChydSicher, Svoboda, et al., 1966liquid phase; solvent: Acetic acid

Hydrogen + 5,5,8,8-Tetramethylcyclodecene trans = 1,1,4,4-Tetramethyl-cyclodecane

By formula: H2 + C14H26 = C14H28

Quantity Value Units Method Reference Comment
Deltar-26.0kcal/molChydSicher, Svoboda, et al., 1966liquid phase; solvent: Acetic acid

2Hydrogen + 2-Hexyne = n-Hexane

By formula: 2H2 + C6H10 = C6H14

Quantity Value Units Method Reference Comment
Deltar-65.7 ± 0.4kcal/molChydRogers, Dagdagan, et al., 1979liquid phase; solvent: Hexane

2H-Pyran, 3,4-dihydro- + Hydrogen = Tetrahydropyran

By formula: C5H8O + H2 = C5H10O

Quantity Value Units Method Reference Comment
Deltar-24.69 ± 0.24kcal/molChydAllinger, Glaser, et al., 1981liquid phase; solvent: Hexane

Hydrogen + Furan, 2,5-dihydro-2,5-dimethoxy- = Furan, tetrahydro-2,5-dimethoxy-

By formula: H2 + C6H10O3 = C6H12O3

Quantity Value Units Method Reference Comment
Deltar-31.33 ± 0.14kcal/molChydAllinger, Glaser, et al., 1981liquid phase; solvent: Hexane

3Hydrogen + Pyrazine = Piperazine

By formula: 3H2 + C4H4N2 = C4H10N2

Quantity Value Units Method Reference Comment
Deltar49.52 ± 0.67kcal/molChydHafelinger and Steinmann, 1977liquid phase; solvent: Acetic acid

Hydrogen + N-Ethylidene t-butylamine = N-tert-Butylethylamine

By formula: H2 + C6H13N = C6H15N

Quantity Value Units Method Reference Comment
Deltar23.0 ± 1.4kcal/molChydHafelinger and Steinmann, 1977liquid phase; solvent: Acetic acid

Hydrogen + 5,5,8,8-Tetramethylcyclodecene cis = 1,1,4,4-Tetramethyl-cyclodecane

By formula: H2 + C14H26 = C14H28

Quantity Value Units Method Reference Comment
Deltar-28.7kcal/molChydSicher, Svoboda, et al., 1966liquid phase; solvent: Acetic acid

Hydrogen + 4,4,7,7-Tetramethylcyclodecene cis = 1,1,4,4-Tetramethyl-cyclodecane

By formula: H2 + C14H26 = C14H28

Quantity Value Units Method Reference Comment
Deltar-22.0kcal/molChydSicher, Svoboda, et al., 1966liquid phase; solvent: Acetic acid

Hydrogen + 4,4,7,7-Tetramethylcyclodecene trans = 1,1,4,4-Tetramethyl-cyclodecane

By formula: H2 + C14H26 = C14H28

Quantity Value Units Method Reference Comment
Deltar-25.4kcal/molChydSicher, Svoboda, et al., 1966liquid phase; solvent: Acetic acid

Hydrogen + Tricyclo[4.3.1.0(1,6)]deca-2,4-diene = Tricyclo[4.3.1.0(1,6)]deca-2-ene

By formula: H2 + C10H12 = C10H14

Quantity Value Units Method Reference Comment
Deltar-22.4kcal/molChydRoth, Klarner, et al., 1992liquid phase; solvent: Isooctane

Benzene, 1,4-diethyl- = Hydrogen + Benzene, 1-ethenyl-4-ethyl-

By formula: C10H14 = H2 + C10H12

Quantity Value Units Method Reference Comment
Deltar31. ± 2.kcal/molCmLebedev, Rozhkov, et al., 1983gas phase; Dehydrogenation, gas phase

Hydrogen + cis-Bicyclo[3.3.0]oct-2-ene = Pentalene, octahydro-, cis-

By formula: H2 + C8H12 = C8H14

Quantity Value Units Method Reference Comment
Deltar-26.8 ± 0.3kcal/molChydRogers, Loggins, et al., 1990liquid phase; solvent: Hexane

Hydrogen + 1-Butanamine, N-butylidene- = 1-Butanamine, N-butyl-

By formula: H2 + C8H17N = C8H19N

Quantity Value Units Method Reference Comment
Deltar20.6 ± 0.62kcal/molChydHafelinger and Steinmann, 1977liquid phase; solvent: Acetic acid

Hydrogen + Cyclododecene, (E)- = Cyclododecane

By formula: H2 + C12H22 = C12H24

Quantity Value Units Method Reference Comment
Deltar-26.8kcal/molChydSicher, Svoboda, et al., 1968liquid phase; solvent: Acetic acid

Cyclododecene, (Z)- + Hydrogen = Cyclododecane

By formula: C12H22 + H2 = C12H24

Quantity Value Units Method Reference Comment
Deltar-26.3kcal/molChydSicher, Svoboda, et al., 1968liquid phase; solvent: Acetic acid

Hydrogen + Tricyclo[4.3.1.0(1,6)]deca-2,4-diene = Tricyclo[4.3.1.0(1,6)deca-3-ene

By formula: H2 + C10H12 = C10H14

Quantity Value Units Method Reference Comment
Deltar-22.6kcal/molChydRoth, Klarner, et al., 1992liquid phase; solvent: Isooctane

Hydrogen + 1a,7b-Dihydrocyclopropa[a]naphthalene = 1H-Cyclopropa[a]naphthalene,1a,2,3,7b-tetrahydro-

By formula: H2 + C11H10 = C11H12

Quantity Value Units Method Reference Comment
Deltar-22.3kcal/molChydRoth, Klarner, et al., 1992liquid phase; solvent: Isooctane

2Hydrogen + 2-Propynoic acid, methyl ester = Methyl propionate

By formula: 2H2 + C4H4O2 = C4H8O2

Quantity Value Units Method Reference Comment
Deltar-79.1 ± 1.1kcal/molChydFlitcroft and Skinner, 1958liquid phase; solvent: Ethanol

Triolein + 3Hydrogen = Tristearin

By formula: C57H104O6 + 3H2 = C57H110O6

Quantity Value Units Method Reference Comment
Deltar-380.55kcal/molChydRogers and Choudhury, 1978liquid phase; solvent: Hexane

9Hydrogen + C57H92O6 = Tristearin

By formula: 9H2 + C57H92O6 = C57H110O6

Quantity Value Units Method Reference Comment
Deltar-270.67kcal/molChydRogers and Choudhury, 1978liquid phase; solvent: Hexane

Hydrogen + 2,3-dihydro-5,6-dimethylpyrazine = Piperazine, 2,3-dimethyl-

By formula: H2 + C6H10N2 = C6H14N2

Quantity Value Units Method Reference Comment
Deltar40.49kcal/molChydHafelinger and Steinmann, 1977liquid phase; solvent: Acetic acid

3Hydrogen + 9-Octadecenoic acid, 1,2,3-propanetriyl ester, (E,E,E)- = Tristearin

By formula: 3H2 + C57H104O6 = C57H110O6

Quantity Value Units Method Reference Comment
Deltar-376.9kcal/molChydRogers and Choudhury, 1978liquid phase; solvent: Hexane

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.

Rogers, Dagdagan, et al., 1979
Rogers, D.W.; Dagdagan, O.A.; Allinger, N.L., Heats of hydrogenation and formation of linear alkynes and a molecular mechanics interpretation, J. Am. Chem. Soc., 1979, 101, 671-676. [all data]

Rogers and Siddiqui, 1975
Rogers, D.W.; Siddiqui, N.A., Heats of hydrogenation of large molecules. I. Esters of unsaturated fatty acids, J. Phys. Chem., 1975, 79, 574-577. [all data]

Rogers and Skanupong, 1974
Rogers, D.W.; Skanupong, S., Heats of hydrogenation of sixteen terminal monoolefins. The alternating effect, J. Phys. Chem., 1974, 78, 2569-2572. [all data]

Allinger, Dodziuk, et al., 1982
Allinger, N.L.; Dodziuk, H.; Rogers, D.W.; Naik, S.N., Heats of hydrogenation and formation of some 5-membered ring compounds by molecular mechanics calculations and direct measurements, Tetrahedron, 1982, 38, 1593-1597. [all data]

Chesick, 1963
Chesick, J.P., Kinetics of the thermal interconversion of 2-methylmethylenecyclopropane and ethylidenecyclopropane, J. Am. Chem. Soc., 1963, 85, 2720-2723. [all data]

Rogers, Loggins, et al., 1990
Rogers, D.W.; Loggins, S.A.; Samuel, S.D.; Finnerty, M.A.; Liebman, J.F., Homoaromaticity and homoconjugation in the quinacenes: biquinacene, triquinacene, and hexaquinacene, Struct. Chem., 1990, 1, 481-489. [all data]

Allinger, Glaser, et al., 1981
Allinger, N.L.; Glaser, J.A.; Davis, H.E., Heats of hydrogenation of some vinyl ethers and related compounds, J. Org. Chem., 1981, 46, 658-661. [all data]

Hafelinger and Steinmann, 1977
Hafelinger, G.; Steinmann, L., Heat of hydrogenation of compounds containing isolated and conjugted C=N bouble bonds, Angew. Chem. Int. Ed. Engl., 1977, 16, 47-48. [all data]

Sicher, Svoboda, et al., 1968
Sicher, J.; Svoboda, M.; Mallon, B.J.; Turner, R.B., Stereochemical studies. Part XLVII. Conformational analysis of many-membered ring compounds. The cyclododecenes, J. Chem. Soc. B, 1968, 441-447. [all data]

Skinner and Snelson, 1959
Skinner, H.A.; Snelson, A., Heats of hydrogenation Part 3., Trans. Faraday Soc., 1959, 55, 405-407. [all data]

Sicher, Svoboda, et al., 1966
Sicher, J.; Svoboda, M.; Zavada, J.; Turner, R.B.; Goebel, P., Sterochemical studies - XXXVI. An approach to conformational analysis of medium ring compounds. Unsaturated ten-membered ring derivates, Tetrahedron, 1966, 22, 659-671. [all data]

Roth, Klarner, et al., 1992
Roth, W.R.; Klarner, F.-G.; Siepert, G.; Lennartz, H.-W., Zur Frage der Homoaromatizitat von Norcaradien und Cycloheptatrien, Chem. Ber., 1992, 125, 217-224. [all data]

Lebedev, Rozhkov, et al., 1983
Lebedev, N.N.; Rozhkov, V.I.; Odabashyan, G.V.; Rozhkova, I.O.; Zaidman, O.A., Dehydrogenation of p-diethylbenzene, Neftekhimiya, 1983, 23, 508-510. [all data]

Flitcroft and Skinner, 1958
Flitcroft, T.L.; Skinner, H.A., Heats of hydrogenation Part 2.-Acetylene derivatives, Trans. Faraday Soc., 1958, 54, 47-53. [all data]

Rogers and Choudhury, 1978
Rogers, D.W.; Choudhury, D.N., Heats of hydrogenation of large molecules. Part 3 - Five simple unsaturated triglycerides (triacylglycerols), J. Chem. Soc. Faraday Trans. 1, 1978, 74, 2868-2872. [all data]


Notes

Go To: Top, Reaction thermochemistry data, References