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

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 551 to 600

3Hydrogen + 1,2-Divinylcyclobutene = Cyclobutane, 1,2-diethyl-

By formula: 3H2 + C8H10 = C8H16

Quantity Value Units Method Reference Comment
Deltar-341.kJ/molChydRoth, Scholz, et al., 1982liquid phase; ALS

Hydrogen + 2-Pentene, 3-methyl-, (Z)- = Pentane, 3-methyl-

By formula: H2 + C6H12 = C6H14

Quantity Value Units Method Reference Comment
Deltar-110.6 ± 0.44kJ/molChydRogers, Crooks, et al., 1987liquid phase; ALS

Hydrogen + 2-Pentene, 3-methyl-, (E)- = Pentane, 3-methyl-

By formula: H2 + C6H12 = C6H14

Quantity Value Units Method Reference Comment
Deltar-110.1 ± 0.56kJ/molChydRogers, Crooks, et al., 1987liquid phase; ALS

Hydrogen + Pentane, 3-methylene- = Pentane, 3-methyl-

By formula: H2 + C6H12 = C6H14

Quantity Value Units Method Reference Comment
Deltar-115.8 ± 0.36kJ/molChydRogers, Crooks, et al., 1987liquid phase; ALS

Hydrogen + (Z) 2,3-Di-tert-butyl-2-butene = Hexane, 2,2,3,4,5,5-hexamethyl-, (3R,4S)-rel-

By formula: H2 + C12H24 = C12H26

Quantity Value Units Method Reference Comment
Deltar-182.7kJ/molChydDoering, Roth, et al., 1989liquid phase; ALS

Hydrogen + (E)-2,3-Di-tert-butyl-2-butene = Hexane, 2,2,3,4,5,5-hexamethyl-, (3R,4S)-rel-

By formula: H2 + C12H24 = C12H26

Quantity Value Units Method Reference Comment
Deltar-156.3kJ/molChydDoering, Roth, et al., 1989liquid phase; ALS

2Hydrogen + 3-Pentynoic acid = Pentanoic acid

By formula: 2H2 + C5H6O2 = C5H10O2

Quantity Value Units Method Reference Comment
Deltar-275. ± 5.0kJ/molChydFlitcroft and Skinner, 1958liquid phase; ALS

2Hydrogen + methyl hex-2-ynoate = Hexanoic acid, methyl ester

By formula: 2H2 + C7H10O2 = C7H14O2

Quantity Value Units Method Reference Comment
Deltar-297. ± 5.0kJ/molChydFlitcroft and Skinner, 1958liquid phase; ALS

3Hydrogen + 1-Octen-3-yne = Octane

By formula: 3H2 + C8H12 = C8H18

Quantity Value Units Method Reference Comment
Deltar-391. ± 6.3kJ/molChydFlitcroft and Skinner, 1958liquid phase; ALS

C10H11ClZr (cr) + Methyl Alcohol (l) = C11H13ClOZr (cr) + Hydrogen (g)

By formula: C10H11ClZr (cr) + CH4O (l) = C11H13ClOZr (cr) + H2 (g)

Quantity Value Units Method Reference Comment
Deltar-81.2 ± 1.4kJ/molRSCDiogo, Simoni, et al., 1993MS

C10H11ClZr (cr) + Ethanol (l) = C12H15ClOZr (cr) + Hydrogen (g)

By formula: C10H11ClZr (cr) + C2H6O (l) = C12H15ClOZr (cr) + H2 (g)

Quantity Value Units Method Reference Comment
Deltar-76.3 ± 1.3kJ/molRSCDiogo, Simoni, et al., 1993MS

3Hydrogen + Bicyclo[2.2.0]hexane, 2,3-bis(methylene)- = Cyclohexane, 1,2-dimethyl- (cis/trans)

By formula: 3H2 + C8H10 = C8H16

Quantity Value Units Method Reference Comment
Deltar-488.7kJ/molChydRoth, Scholz, et al., 1982liquid phase; ALS

2Hydrogen + 2-Butynedioic acid = Butanedioic acid

By formula: 2H2 + C4H2O4 = C4H6O4

Quantity Value Units Method Reference Comment
Deltar-363.2 ± 4.6kJ/molChydFlitcroft and Skinner, 1958solid phase; ALS

C11H19F3O + Hydrogen = Ether, octyl 2,2,2-trifluoro-1-methylethyl, (±)-

By formula: C11H19F3O + H2 = C11H21F3O

Quantity Value Units Method Reference Comment
Deltar-123.kJ/molChydGajewski, Gee, et al., 1990liquid phase; ALS

Hydrogen + 2-Propenoic acid, ethyl ester = Propanoic acid, ethyl ester

By formula: H2 + C5H8O2 = C5H10O2

Quantity Value Units Method Reference Comment
Deltar-136. ± 4.6kJ/molChydVilcu and Perisanu, 1980liquid phase; ALS

2Hydrogen + Phenylpropiolic acid = Hydrocinnamic acid

By formula: 2H2 + C9H6O2 = C9H10O2

Quantity Value Units Method Reference Comment
Deltar-304. ± 4.6kJ/molChydFlitcroft and Skinner, 1958liquid phase; ALS

4Hydrogen + Octa-1,2,6,7-teraene = Octane

By formula: 4H2 + C8H10 = C8H18

Quantity Value Units Method Reference Comment
Deltar-577.4kJ/molChydRoth, Scholz, et al., 1982liquid phase; ALS

2Hydrogen + Bicyclo[4.2.0]octa-1,5-diene = Bicyclo[4.2.0]octane

By formula: 2H2 + C8H10 = C8H14

Quantity Value Units Method Reference Comment
Deltar-249.kJ/molChydRoth, Scholz, et al., 1982liquid phase; ALS

4Hydrogen + 2,3-Divinylbutadiene = Hexane, 3,4-dimethyl-

By formula: 4H2 + C8H10 = C8H18

Quantity Value Units Method Reference Comment
Deltar-471.5kJ/molChydRoth, Scholz, et al., 1982liquid phase; ALS

Butane, 2,2-dimethyl- = Hydrogen + 1-Butene, 3,3-dimethyl-

By formula: C6H14 = H2 + C6H12

Quantity Value Units Method Reference Comment
Deltar125.9 ± 0.8kJ/molCmKennedy, Shomate, et al., 1938liquid phase; ALS

Hydrogen + (E) 1-Methyl-1-cyclooctene = Cyclooctane, methyl-

By formula: H2 + C9H16 = C9H18

Quantity Value Units Method Reference Comment
Deltar-147.kJ/molChydRoth, Adamczak, et al., 1991liquid phase; ALS

2Hydrogen + Anti tricyclo[4.2.2.2(2,5)]dodeca-3,7-diene = C12H20

By formula: 2H2 + C12H16 = C12H20

Quantity Value Units Method Reference Comment
Deltar-221.kJ/molChydRoth, Adamczak, et al., 1991liquid phase; ALS

Hydrogen + 2-Butene, 2-methyl- = Butane, 2-methyl-

By formula: H2 + C5H10 = C5H12

Quantity Value Units Method Reference Comment
Deltar-111.6 ± 0.3kJ/molChydKistiakowsky, Ruhoff, et al., 1936gas phase; ALS

Octane = Hydrogen + 2-Octene, (E)-

By formula: C8H18 = H2 + C8H16

Quantity Value Units Method Reference Comment
Deltar113.77kJ/molEqkEliseev, 1986liquid phase; ALS

Octane = Hydrogen + 3-Octene, (Z)-

By formula: C8H18 = H2 + C8H16

Quantity Value Units Method Reference Comment
Deltar118.24kJ/molEqkEliseev, 1986liquid phase; ALS

Octane = Hydrogen + 3-Octene, (E)-

By formula: C8H18 = H2 + C8H16

Quantity Value Units Method Reference Comment
Deltar114.06kJ/molEqkEliseev, 1986liquid phase; ALS

Octane = Hydrogen + 4-Octene, (E)-

By formula: C8H18 = H2 + C8H16

Quantity Value Units Method Reference Comment
Deltar114.06kJ/molEqkEliseev, 1986liquid phase; ALS

Hydrogen + 2-Pentene, (Z)- = Pentane

By formula: H2 + C5H10 = C5H12

Quantity Value Units Method Reference Comment
Deltar-117.7 ± 0.8kJ/molChydEgger and Benson, 1966gas phase; ALS

Hydrogen + 2-Pentene, (E)- = Pentane

By formula: H2 + C5H10 = C5H12

Quantity Value Units Method Reference Comment
Deltar-113.8 ± 0.8kJ/molChydEgger and Benson, 1966gas phase; ALS

Lithium ion (1+) + Hydrogen = (Lithium ion (1+) bullet Hydrogen)

By formula: Li+ + H2 = (Li+ bullet H2)

Quantity Value Units Method Reference Comment
Deltar27. ± 19.kJ/molEIWu, 1979gas phase; M

Hydrogen + Cyclohexanone, 2-methyl- = Cyclohexanol, 2-methyl-

By formula: H2 + C7H12O = C7H14O

Quantity Value Units Method Reference Comment
Deltar-66.36kJ/molChydDokuchaeva, Sibarov, et al., 1981liquid phase; ALS

Octane = Hydrogen + 2-Octene, (Z)-

By formula: C8H18 = H2 + C8H16

Quantity Value Units Method Reference Comment
Deltar117.95kJ/molEqkEliseev, 1986liquid phase; ALS

Octane = Hydrogen + 4-Octene, (Z)-

By formula: C8H18 = H2 + C8H16

Quantity Value Units Method Reference Comment
Deltar118.24kJ/molEqkEliseev, 1986liquid phase; ALS

2Hydrogen + 1,3-Butadiene, 2-ethyl- = Pentane, 3-methyl-

By formula: 2H2 + C6H10 = C6H14

Quantity Value Units Method Reference Comment
Deltar-236.kJ/molChydRoth, Adamczak, et al., 1991liquid phase; ALS

Hydrogen + 3-Buten-2-one, 4-phenyl-, (E)- = 2-Butanone, 4-phenyl-

By formula: H2 + C10H10O = C10H12O

Quantity Value Units Method Reference Comment
Deltar-511.7kJ/molChydVeselova and Sul'man, 1980liquid phase; ALS

Octane = 1-Octene + Hydrogen

By formula: C8H18 = C8H16 + H2

Quantity Value Units Method Reference Comment
Deltar125.52kJ/molEqkEliseev, 1986liquid phase; ALS

Hydrogen + 2-Propenoic acid, 3-phenyl-, methyl ester, (E)- = Benzenepropanoic acid, methyl ester

By formula: H2 + C10H10O2 = C10H12O2

Quantity Value Units Method Reference Comment
Deltar-425.9kJ/molChydVeselova and Sul'man, 1980liquid phase; ALS

2-Pentanol = 2-Pentanone + Hydrogen

By formula: C5H12O = C5H10O + H2

Quantity Value Units Method Reference Comment
Deltar54.7 ± 0.3kJ/molEqkConnett, 1970liquid phase; ALS

Hydrogen + 2-Butenedioic acid (Z)-, dimethyl ester = Butanedioic acid, dimethyl ester

By formula: H2 + C6H8O4 = C6H10O4

Quantity Value Units Method Reference Comment
Deltar-446.9kJ/molChydVeselova and Sul'man, 1980liquid phase; ALS

Hydrogen + phenyl cinnamate = Benzenepropanoic acid, phenyl ester

By formula: H2 + C15H12O2 = C15H14O2

Quantity Value Units Method Reference Comment
Deltar-345.kJ/molChydVeselova and Sul'man, 1980liquid phase; ALS

Hydrogen + 2-Propen-1-one, 1,3-diphenyl-, (E)- = β-Phenylpropiophenone

By formula: H2 + C15H12O = C15H14O

Quantity Value Units Method Reference Comment
Deltar-391.kJ/molChydVeselova and Sul'man, 1980liquid phase; ALS

3Hydrogen + Benzene, 1-ethyl-3-methyl- = cis-1-Ethyl-3-methyl-cyclohexane

By formula: 3H2 + C9H12 = C9H18

Quantity Value Units Method Reference Comment
Deltar-208.kJ/molEqkMiki, 1975gas phase; GC; ALS

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

By formula: H2 + C4H6O2 = C4H8O2

Quantity Value Units Method Reference Comment
Deltar-501.2kJ/molChydVeselova and Sul'man, 1980liquid phase; ALS

Benzene, propyl- + 3Hydrogen = Cyclohexane, propyl-

By formula: C9H12 + 3H2 = C9H18

Quantity Value Units Method Reference Comment
Deltar-210.kJ/molEqkMiki, 1975gas phase; GC; ALS

3Hydrogen + Benzene, 1-ethyl-2-methyl- = Cyclohexane, 1-ethyl-2-methyl-, cis-

By formula: 3H2 + C9H12 = C9H18

Quantity Value Units Method Reference Comment
Deltar-181.kJ/molEqkMiki, 1975gas phase; GC; ALS

3Hydrogen + Benzene, 1-ethyl-2-methyl- = Cyclohexane, 1-ethyl-2-methyl-, trans-

By formula: 3H2 + C9H12 = C9H18

Quantity Value Units Method Reference Comment
Deltar-185.kJ/molEqkMiki, 1975gas phase; GC; ALS

3Hydrogen + Benzene, 1-ethyl-3-methyl- = trans-1-Ethyl-3-methylcyclohexane

By formula: 3H2 + C9H12 = C9H18

Quantity Value Units Method Reference Comment
Deltar-200.kJ/molEqkMiki, 1975gas phase; GC; ALS

3Hydrogen + Benzene, 1-ethyl-4-methyl- = Cyclohexane, 1-ethyl-4-methyl-, cis-

By formula: 3H2 + C9H12 = C9H18

Quantity Value Units Method Reference Comment
Deltar-191.kJ/molEqkMiki, 1975gas phase; GC; ALS

3Hydrogen + Benzene, 1-ethyl-4-methyl- = Cyclohexane, 1-ethyl-4-methyl-, trans-

By formula: 3H2 + C9H12 = C9H18

Quantity Value Units Method Reference Comment
Deltar-196.kJ/molEqkMiki, 1975gas phase; GC; ALS

1-Pentanol = Pentanal + Hydrogen

By formula: C5H12O = C5H10O + H2

Quantity Value Units Method Reference Comment
Deltar66.2 ± 1.6kJ/molEqkConnett, 1970liquid phase; ALS

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.

Roth, Scholz, et al., 1982
Roth, W.R.; Scholz, B.P.; Breuckmann, R.; Jelich, K.; Lennartz, H.W., Thermolysis of 1,2,6,7-octatetraene, Chem. Ber., 1982, 115, 1934-1946. [all data]

Rogers, Crooks, et al., 1987
Rogers, D.W.; Crooks, E.; Dejroongruang, K., Enthalpies of hydrogenation of the hexenes, J. Chem. Thermodyn., 1987, 19, 1209-1215. [all data]

Doering, Roth, et al., 1989
Doering, W.E.; Roth, W.R.; Bauer, F.; Breuckmann, R.; Ebbrecht, T.; Herbold, M.; Schmidt, R.; Lennartz, H-W.; Lenoir, D.; Boese, R., Rotational barriers of strained olefines, Chem. Ber., 1989, 122, 1263-1266. [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]

Diogo, Simoni, et al., 1993
Diogo, H.P.; Simoni, J.A.; Minas da Piedade, M.E.; Dias, A.R.; Martinho Simões, J.A., J. Am. Chem. Soc., 1993, 115, 2764. [all data]

Gajewski, Gee, et al., 1990
Gajewski, J.J.; Gee, K.R.; Jurayj, J., Energetic and rates of the trifluoromethyl group at C-2 and C-4 on the aliphatic claisen rearrangement, J. Am. Chem. Soc., 1990, 90, 1813-1822. [all data]

Vilcu and Perisanu, 1980
Vilcu, R.; Perisanu, S., The ideal gas state enthalpies of formation of some monomers, Rev. Roum. Chim., 1980, 25, 619-624. [all data]

Kennedy, Shomate, et al., 1938
Kennedy, Wm.D.; Shomate, C.H.; Parks, G.P., Thermal data on organic compounds. XVIII. The heat capacity of and entropy of t-butylethylene, J. Am. Chem. Soc., 1938, 60, 1507-1509. [all data]

Roth, Adamczak, et al., 1991
Roth, W.R.; Adamczak, O.; Breuckmann, R.; Lennartz, H.-W.; Boese, R., Die Berechnung von Resonanzenergien; das MM2ERW-Kraftfeld, Chem. Ber., 1991, 124, 2499-2521. [all data]

Kistiakowsky, Ruhoff, et al., 1936
Kistiakowsky, G.B.; Ruhoff, J.R.; Smith, H.A.; Vaughan, W.E., Heats of organic reactions. III. Hydrogenation of some higher olefins, J. Am. Chem. Soc., 1936, 58, 137-145. [all data]

Eliseev, 1986
Eliseev, N.A., Thermodynamic calculation of the equilibrium composition of isomeric octenes in dehydrogenation of n-octane, Izv. Vyssh. Uchebn. Zaved., Khim. Khim. Tekhnol., 1986, 29, 26-29. [all data]

Egger and Benson, 1966
Egger, K.W.; Benson, S.W., Nitric oxide and iodine catalyzed isomerization of olefins. VI. Thermodynamic data from equilibrium studies of the geometrical and positional isomerization of n-pentenes, J. Am. Chem. Soc., 1966, 88, 236-240. [all data]

Wu, 1979
Wu, C.H., Binding Energies of LiH2 and LiH2+ and the Ionization Potential of LiH2, J. Chem. Phys., 1979, 71, 2, 783, https://doi.org/10.1063/1.438367 . [all data]

Dokuchaeva, Sibarov, et al., 1981
Dokuchaeva, T.G.; Sibarov, d.A.; Timofeev, V.F.; Proskuryakov, V.A., Kinetics of the dehydrogenation of 2-methylcyclohexanol to 2-methylcyclohexanone over a platinum catalyst, J. Appl. Chem. USSR, 1981, 54, 1140-1146. [all data]

Veselova and Sul'man, 1980
Veselova, M.E.; Sul'man, E.M., Effect of the chemical structure of «alpha»,«beta»-unsaturated esters and ketones on the selectivity of their hydrogenation, Svoistva Veshchestv i Stroenie Molekul, Kalinin, 1980, 140-143. [all data]

Connett, 1970
Connett, J.E., Chemical equilibria. Part III. Dehydrogenation of pentan-1-ol, pentan-2-ol, and 3-methylbutan-2-ol, J. Chem. Soc. A, 1970, 1284-1286. [all data]

Miki, 1975
Miki, Y., The thermodynamic properties of C9H18 naphthenes. I. The determination of the equilibrium constants of the hydrogenation of propyl- and isopropylbenzene and ethyltoluenes, Bull. Chem. Soc. Jpn., 1975, 48, 201-208. [all data]


Notes

Go To: Top, Reaction thermochemistry data, References