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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 51 to 100

2Hydrogen + Phenylethyne = Ethylbenzene

By formula: 2H2 + C8H6 = C8H10

Quantity Value Units Method Reference Comment
Deltar-276.6 ± 0.3kJ/molChydDavis, Allinger, et al., 1985liquid phase; solvent: Hexane; ALS
Deltar-271. ± 4.kJ/molChydRogers and McLafferty, 1971liquid phase; solvent: Hydrocarbon; ALS
Deltar-296. ± 4.2kJ/molChydFlitcroft and Skinner, 1958liquid phase; ALS

Hydrogen + 2-Hexene, (E)- = n-Hexane

By formula: H2 + C6H12 = C6H14

Quantity Value Units Method Reference Comment
Deltar-116.1 ± 0.45kJ/molChydRogers, Crooks, et al., 1987liquid phase; ALS
Deltar-481.2 ± 3.5kJ/molChydRogers and Crooks, 1983liquid phase; solvent: Hexane; ALS
Deltar-111.3 ± 1.1kJ/molChydRogers, Papadimetriou, et al., 1975liquid phase; solvent: Hexane; ALS

Hydrogen + 3-Hexene, (Z)- = n-Hexane

By formula: H2 + C6H12 = C6H14

Quantity Value Units Method Reference Comment
Deltar-121.6 ± 0.32kJ/molChydRogers, Crooks, et al., 1987liquid phase; ALS
Deltar-119.3 ± 1.2kJ/molChydRogers, Papadimetriou, et al., 1975liquid phase; solvent: Hexane; ALS
Deltar-119.5 ± 1.2kJ/molChydRogers and Siddiqui, 1975liquid phase; solvent: n-Hexane; ALS

3-Hexene, (E)- + Hydrogen = n-Hexane

By formula: C6H12 + H2 = C6H14

Quantity Value Units Method Reference Comment
Deltar-117.9 ± 0.73kJ/molChydRogers, Crooks, et al., 1987liquid phase; ALS
Deltar-117.9 ± 0.82kJ/molChydRogers and Crooks, 1983liquid phase; solvent: Hexane; ALS
Deltar-109.8 ± 1.7kJ/molChydRogers, Papadimetriou, et al., 1975liquid phase; solvent: Hexane; ALS

Hydrogen + 2-Hexene, (Z)- = n-Hexane

By formula: H2 + C6H12 = C6H14

Quantity Value Units Method Reference Comment
Deltar-119.5 ± 0.69kJ/molChydRogers, Crooks, et al., 1987liquid phase; ALS
Deltar-119.0 ± 0.78kJ/molChydRogers and Crooks, 1983liquid phase; solvent: Hexane; ALS
Deltar-113.2 ± 0.92kJ/molChydRogers, Papadimetriou, et al., 1975liquid phase; solvent: Hexane; ALS

2,5-Norbornadiene + 2Hydrogen = Norbornane

By formula: C7H8 + 2H2 = C7H12

Quantity Value Units Method Reference Comment
Deltar-296. ± 1.kJ/molChydDoering, Roth, et al., 1988gas phase; ALS
Deltar-291.9 ± 1.5kJ/molChydRogers, Choi, et al., 1980liquid phase; solvent: Hexane; ALS
Deltar-285.0 ± 1.7kJ/molChydTurner, Meador, et al., 1957liquid phase; solvent: Acetic acid; ALS

Hydrogen + 1-Pentene, 3-methyl- = Pentane, 3-methyl-

By formula: H2 + C6H12 = C6H14

Quantity Value Units Method Reference Comment
Deltar-124.6 ± 0.54kJ/molChydRogers, Crooks, et al., 1987liquid phase; ALS
Deltar-125.8 ± 2.6kJ/molChydMolnar, Rachford, et al., 1984liquid phase; solvent: Dioxane; ALS
Deltar-128.1 ± 1.8kJ/molChydMolnar, Rachford, et al., 1984liquid phase; solvent: Hexane; ALS

Hydrogen + 1-Pentene, 4,4-dimethyl- = Pentane, 2,2-dimethyl-

By formula: H2 + C7H14 = C7H16

Quantity Value Units Method Reference Comment
Deltar-122.6 ± 0.6kJ/molChydRogers and Dejroongruang, 1989liquid phase; solvent: Cyclohexane; ALS
Deltar-122.5 ± 0.42kJ/molChydDolliver, Gresham, et al., 1937gas phase; Reanalyzed by Cox and Pilcher, 1970, Original value = -123.56 ± 0.63 kJ/mol; At 355 °K; ALS

2Hydrogen + Limonene = 1-Methyl-4-(1-methylethyl)-cyclohexane

By formula: 2H2 + C10H16 = C10H20

Quantity Value Units Method Reference Comment
Deltar-215. ± 9.6kJ/molChydLopes, Nunes, et al., 1975liquid phase; solvent: Acetic acid; ALS
Deltar-224.3 ± 1.3kJ/molChydDolliver, Gresham, et al., 1937gas phase; Reanalyzed by Cox and Pilcher, 1970, Original value = -226.4 ± 1.3 kJ/mol; At 355 °K; ALS

Hydrogen + Acetaldehyde = Ethanol

By formula: H2 + C2H4O = C2H6O

Quantity Value Units Method Reference Comment
Deltar-81.3 ± 1.4kJ/molChydWiberg, Crocker, et al., 1991liquid phase; solvent: Triglyme; ALS
Deltar-69.08 ± 0.42kJ/molChydDolliver, Gresham, et al., 1938gas phase; Reanalyzed by Cox and Pilcher, 1970, Original value = -70.1 ± 0.4 kJ/mol; At 355 °K; ALS

C39H68O3P2W (solution) + Water (solution) = C39H68O4P2W (solution) + Hydrogen (g)

By formula: C39H68O3P2W (solution) + H2O (solution) = C39H68O4P2W (solution) + H2 (g)

Quantity Value Units Method Reference Comment
Deltar-11.7 ± 0.4kJ/molEqSKubas, Burns, et al., 1992solvent: Tetrahydrofuran; Temperature range: 203-298 K; MS

C21H44O3P2W (solution) + Water (solution) = C21H44O4P2W (solution) + Hydrogen (g)

By formula: C21H44O3P2W (solution) + H2O (solution) = C21H44O4P2W (solution) + H2 (g)

Quantity Value Units Method Reference Comment
Deltar-18.8 ± 0.8kJ/molEqSKubas, Burns, et al., 1992solvent: Tetrahydrofuran; Temperature range: 203-298 K; MS

Cobalt, tetracarbonylhydro- (g) = 0.5Hydrogen (g) + 4Carbon monoxide (g) + cobalt (cr)

By formula: C4HCoO4 (g) = 0.5H2 (g) + 4CO (g) + Co (cr)

Quantity Value Units Method Reference Comment
Deltar127.1 ± 2.1kJ/molEqGBronshstein, Gankin, et al., 1966Please also see Pedley and Rylance, 1977 and Cox and Pilcher, 1970, 2. Temperature range: ca. 423-533 K; MS

Ethene, ethoxy- + Hydrogen = Ethyl ether

By formula: C4H8O + H2 = C4H10O

Quantity Value Units Method Reference Comment
Deltar-110.9 ± 0.59kJ/molChydAllinger, Glaser, et al., 1981liquid phase; solvent: Hexane; ALS
Deltar-110.8 ± 0.3kJ/molChydDolliver, Gresham, et al., 1938gas phase; Reanalyzed by Cox and Pilcher, 1970, Original value = -112. ± 3. kJ/mol; At 355°K; ALS

C39H66N2O3P2W (solution) + Hydrogen (g) = C39H68O3P2W (solution) + Nitrogen (g)

By formula: C39H66N2O3P2W (solution) + H2 (g) = C39H68O3P2W (solution) + N2 (g)

Quantity Value Units Method Reference Comment
Deltar18.4 ± 1.7kJ/molEqSGonzalez and Hoff, 1989solvent: Tetrahydrofuran; Temperature range: 288-308 K; MS

Maleic acid + Hydrogen = Butanedioic acid

By formula: C4H4O4 + H2 = C4H6O4

Quantity Value Units Method Reference Comment
Deltar-151.8 ± 0.8kJ/molChydSkinner and Snelson, 1959liquid phase; solvent: Ethanol; ALS
Deltar-153.2 ± 1.7kJ/molChydFlitcroft, Skinner, et al., 1957liquid phase; Reanalyzed by Cox and Pilcher, 1970, Original value = -152. ± 2. kJ/mol; ALS

2Hydrogen + Diphenylacetylene = Bibenzyl

By formula: 2H2 + C14H10 = C14H14

Quantity Value Units Method Reference Comment
Deltar-249.5 ± 2.3kJ/molChydDavis, Allinger, et al., 1985liquid phase; solvent: Hexane; ALS
Deltar-268.6 ± 4.6kJ/molChydFlitcroft and Skinner, 1958solid phase; Reanalyzed by Cox and Pilcher, 1970, Original value = -268. ± 4.6 kJ/mol; ALS

C39H66MoO3P3 (solution) + Hydrogen (g) = C39H68MoO3P2 (solution)

By formula: C39H66MoO3P3 (solution) + H2 (g) = C39H68MoO3P2 (solution)

Quantity Value Units Method Reference Comment
Deltar-27.2 ± 0.8kJ/molEqSGonzalez and Hoff, 1989solvent: Tetrahydrofuran; Temperature range: 283-315 K; MS

C16H34OP2Ru (solution) + Hydrogen (solution) = C16H34P2Ru (solution) + Water (solution)

By formula: C16H34OP2Ru (solution) + H2 (solution) = C16H34P2Ru (solution) + H2O (solution)

Quantity Value Units Method Reference Comment
Deltar-24.7 ± 3.3kJ/molEqSBryndza, Fong, et al., 1987solvent: Tetrahydrofuran; The reaction enthalpy was identified with the reaction Gibbs energy, since the the entropy is expected to be small Bryndza, Fong, et al., 1987; MS

Cyclohexanone + Hydrogen = Cyclohexanol

By formula: C6H10O + H2 = C6H12O

Quantity Value Units Method Reference Comment
Deltar-75.86 ± 0.50kJ/molCmWiberg, Crocker, et al., 1991liquid phase; ALS
Deltar-63.51 ± 0.63kJ/molChydConn, Kistiakowsky, et al., 1939gas phase; Reanalyzed by Cox and Pilcher, 1970, Original value = -64.5 ± 0.3 kJ/mol; At 355 K; ALS

Hydrogen + 2-Methyl-1-butene = Butane, 2-methyl-

By formula: H2 + C5H10 = C5H12

Quantity Value Units Method Reference Comment
Deltar-126.95kJ/molChydDolliver, Gresham, et al., 1937gas phase; At 355 °K; ALS
Deltar-118.2 ± 0.42kJ/molChydKistiakowsky, Ruhoff, et al., 1936gas phase; Reanalyzed by Cox and Pilcher, 1970, Original value = -119.2 ± 1.5 kJ/mol; At 355 K; ALS

Cyclopentanone + Hydrogen = Cyclopentanol

By formula: C5H8O + H2 = C5H10O

Quantity Value Units Method Reference Comment
Deltar-60.25 ± 0.67kJ/molCmWiberg, Crocker, et al., 1991liquid phase; ALS
Deltar-51.25 ± 0.63kJ/molChydConn, Kistiakowsky, et al., 1939gas phase; Reanalyzed by Cox and Pilcher, 1970, Original value = -52.3 ± 0.3 kJ/mol; At 355 K; ALS

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

By formula: H2 + C6H12 = C6H14

Quantity Value Units Method Reference Comment
Deltar-125.8 ± 0.53kJ/molChydRogers, Crooks, et al., 1987liquid phase; ALS
Deltar-125.9 ± 0.63kJ/molChydDolliver, Gresham, et al., 1937gas phase; Reanalyzed by Cox and Pilcher, 1970, Original value = -126.95 ± 0.63 kJ/mol; AT 355 °K; ALS

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

By formula: H2 + C6H12 = C6H14

Quantity Value Units Method Reference Comment
Deltar-108.7 ± 0.45kJ/molChydRogers, Crooks, et al., 1987liquid phase; ALS
Deltar-110.4 ± 0.42kJ/molChydKistiakowsky, Ruhoff, et al., 1936gas phase; Reanalyzed by Cox and Pilcher, 1970, Original value = -111.4 ± 0.42 kJ/mol; At 355 K; ALS

(Iron ion (1+) bullet Hydrogen) + Hydrogen = (Iron ion (1+) bullet 2Hydrogen)

By formula: (Fe+ bullet H2) + H2 = (Fe+ bullet 2H2)

Quantity Value Units Method Reference Comment
Deltar71.1 ± 0.8kJ/molSIDTBushnell, Kemper, et al., 1995gas phase; «DELTA»rH(0K) = 65.7 kJ/mol; M
Quantity Value Units Method Reference Comment
Deltar105.J/mol*KSIDTBushnell, Kemper, et al., 1995gas phase; «DELTA»rH(0K) = 65.7 kJ/mol; M

(Iron ion (1+) bullet 2Hydrogen) + Hydrogen = (Iron ion (1+) bullet 3Hydrogen)

By formula: (Fe+ bullet 2H2) + H2 = (Fe+ bullet 3H2)

Quantity Value Units Method Reference Comment
Deltar35. ± 0.4kJ/molSIDTBushnell, Kemper, et al., 1995gas phase; «DELTA»rH(0K) = 31. kJ/mol; M
Quantity Value Units Method Reference Comment
Deltar79.9J/mol*KSIDTBushnell, Kemper, et al., 1995gas phase; «DELTA»rH(0K) = 31. kJ/mol; M

(Iron ion (1+) bullet 3Hydrogen) + Hydrogen = (Iron ion (1+) bullet 4Hydrogen)

By formula: (Fe+ bullet 3H2) + H2 = (Fe+ bullet 4H2)

Quantity Value Units Method Reference Comment
Deltar41. ± 0.4kJ/molSIDTBushnell, Kemper, et al., 1995gas phase; «DELTA»rH(0K) = 36. kJ/mol; M
Quantity Value Units Method Reference Comment
Deltar104.J/mol*KSIDTBushnell, Kemper, et al., 1995gas phase; «DELTA»rH(0K) = 36. kJ/mol; M

(Iron ion (1+) bullet 4Hydrogen) + Hydrogen = (Iron ion (1+) bullet 5Hydrogen)

By formula: (Fe+ bullet 4H2) + H2 = (Fe+ bullet 5H2)

Quantity Value Units Method Reference Comment
Deltar11. ± 0.4kJ/molSIDTBushnell, Kemper, et al., 1995gas phase; «DELTA»rH(0K) = 9.2 kJ/mol; M
Quantity Value Units Method Reference Comment
Deltar74.9J/mol*KSIDTBushnell, Kemper, et al., 1995gas phase; «DELTA»rH(0K) = 9.2 kJ/mol; M

(Iron ion (1+) bullet 5Hydrogen) + Hydrogen = (Iron ion (1+) bullet 6Hydrogen)

By formula: (Fe+ bullet 5H2) + H2 = (Fe+ bullet 6H2)

Quantity Value Units Method Reference Comment
Deltar11. ± 0.4kJ/molSIDTBushnell, Kemper, et al., 1995gas phase; «DELTA»rH(0K) = 9.6 kJ/mol; M
Quantity Value Units Method Reference Comment
Deltar75.7J/mol*KSIDTBushnell, Kemper, et al., 1995gas phase; «DELTA»rH(0K) = 9.6 kJ/mol; M

Hydrogen + Indene = Indane

By formula: H2 + C9H8 = C9H10

Quantity Value Units Method Reference Comment
Deltar-98.9 ± 1.4kJ/molChydHill, Morton, et al., 1980liquid phase; ALS
Deltar-96.kJ/molEqkFrye and Weitkamp, 1969gas phase; ALS
Deltar-90.48 ± 0.59kJ/molEqkNaidus and Mueller, 1950gas phase; At 375-525 K; ALS

Oleic Acid + Hydrogen = Octadecanoic acid

By formula: C18H34O2 + H2 = C18H36O2

Quantity Value Units Method Reference Comment
Deltar-123.6 ± 1.6kJ/molChydRogers, Hoyte, et al., 1978liquid phase; solvent: Hexane; Authors gave two values; ALS
Deltar-125.1 ± 0.8kJ/molChydRogers, Hoyte, et al., 1978liquid phase; solvent: Hexane; Authors gave two values; ALS

Hydrogen + 2-Butanone = 2-Butanol

By formula: H2 + C4H8O = C4H10O

Quantity Value Units Method Reference Comment
Deltar-54.18kJ/molEqkBuckley and Herington, 1965gas phase; ALS
Deltar-54.3 ± 0.4kJ/molChydDolliver, Gresham, et al., 1938gas phase; Reanalyzed by Cox and Pilcher, 1970, Original value = -55.2 ± 0.4 kJ/mol; At 355 °K; ALS

(Sodium ion (1+) bullet Hydrogen) + Hydrogen = (Sodium ion (1+) bullet 2Hydrogen)

By formula: (Na+ bullet H2) + H2 = (Na+ bullet 2H2)

Quantity Value Units Method Reference Comment
Deltar10.1kJ/molSIDTBushnell, Kemper, et al., 1994gas phase; «DELTA»rH(0K) = 9.41 kJ/mol; M
Quantity Value Units Method Reference Comment
Deltar51.9J/mol*KSIDTBushnell, Kemper, et al., 1994gas phase; «DELTA»rH(0K) = 9.41 kJ/mol; M

(Potassium ion (1+) bullet Hydrogen) + Hydrogen = (Potassium ion (1+) bullet 2Hydrogen)

By formula: (K+ bullet H2) + H2 = (K+ bullet 2H2)

Quantity Value Units Method Reference Comment
Deltar6.15kJ/molSIDTBushnell, Kemper, et al., 1994gas phase; «DELTA»rH(0K) = 5.65 kJ/mol; M
Quantity Value Units Method Reference Comment
Deltar46.9J/mol*KSIDTBushnell, Kemper, et al., 1994gas phase; «DELTA»rH(0K) = 5.65 kJ/mol; M

2Hydrogen + Naphthalene = Naphthalene, 1,2,3,4-tetrahydro-

By formula: 2H2 + C10H8 = C10H12

Quantity Value Units Method Reference Comment
Deltar-125.kJ/molEqkFrye and Weitkamp, 1969gas phase; ALS
Deltar-120.5 ± 5.0kJ/molEqkWilson, Caflisch, et al., 1958gas phase; Reanalyzed by Cox and Pilcher, 1970, Original value = -133.9 ± 5.0 kJ/mol; At 400 K; ALS

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

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

Quantity Value Units Method Reference Comment
Deltar52.3 ± 0.8kJ/molSIDTBushnell, Kemper, et al., 1995gas phase; «DELTA»rH(0K) = 45.2 kJ/mol; M
Quantity Value Units Method Reference Comment
Deltar90.0J/mol*KSIDTBushnell, Kemper, et al., 1995gas phase; «DELTA»rH(0K) = 45.2 kJ/mol; M

C5H2CrO5 (g) = Hydrogen (g) + C5CrO5 (g)

By formula: C5H2CrO5 (g) = H2 (g) + C5CrO5 (g)

Quantity Value Units Method Reference Comment
Deltar62.8 ± 5.4kJ/molKinGWells, House, et al., 1994The reaction enthalpy relies on the measured activation energy and on the assumption of a negligible barrier for product recombination Wells, House, et al., 1994.; MS

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

By formula: (Co+ bullet H2O) + H2 = (Co+ bullet H2 bullet H2O)

Quantity Value Units Method Reference Comment
Deltar103.J/mol*KSIDTKemper, Bushnell, et al., 1993gas phase; «DELTA»rS(530 K); M

Enthalpy of reaction

DeltarH° (kJ/mol) T (K) Method Reference Comment
83. (+3.,-0.) SIDTKemper, Bushnell, et al., 1993gas phase; «DELTA»rS(530 K); M

Hydrogen + Propane, 2-fluoro- = Propane + hydrogen fluoride

By formula: H2 + C3H7F = C3H8 + HF

Quantity Value Units Method Reference Comment
Deltar-84.5 ± 1.3kJ/molChydLacher, Kianpour, et al., 1956gas phase; Reanalyzed by Cox and Pilcher, 1970, Original value = -88.3 ± 2.9 kJ/mol; %hf298_gas[kcal/mol]=-66.97±0.71; Kolesov and Kozina, 1986; ALS

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

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

Quantity Value Units Method Reference Comment
Deltar12.3kJ/molSIDTBushnell, Kemper, et al., 1994gas phase; «DELTA»rH(0K) = 10.3 kJ/mol; M
Quantity Value Units Method Reference Comment
Deltar55.2J/mol*KSIDTBushnell, Kemper, et al., 1994gas phase; «DELTA»rH(0K) = 10.3 kJ/mol; M

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

By formula: K+ + H2 = (K+ bullet H2)

Quantity Value Units Method Reference Comment
Deltar7.78kJ/molSIDTBushnell, Kemper, et al., 1994gas phase; «DELTA»rH(0K) = 6.07 kJ/mol; M
Quantity Value Units Method Reference Comment
Deltar56.5J/mol*KSIDTBushnell, Kemper, et al., 1994gas phase; «DELTA»rH(0K) = 6.07 kJ/mol; M

Hydrogen + n-Propyl fluoride = Propane + hydrogen fluoride

By formula: H2 + C3H7F = C3H8 + HF

Quantity Value Units Method Reference Comment
Deltar-92.0 ± 2.1kJ/molChydLacher, Kianpour, et al., 1956gas phase; Reanalyzed by Cox and Pilcher, 1970, Original value = -95.7 ± 6.7 kJ/mol; %hf298_gas[kcal/mol]=-66.71±0.62; Kolesov and Kozina, 1986; ALS

Hydrogen + Diethyl fumarate = Butanedioic acid, diethyl ester

By formula: H2 + C8H12O4 = C8H14O4

Quantity Value Units Method Reference Comment
Deltar-121.1 ± 0.2kJ/molChydTurner, Meador, et al., 1957liquid phase; solvent: Acetic acid; ALS
Deltar-122.60 ± 0.62kJ/molChydWilliams, 1942liquid phase; solvent: Acetic acid; At 302 K; ALS

3Hydrogen + 1,3,5-Hexatriene, (Z)- = n-Hexane

By formula: 3H2 + C6H8 = C6H14

Quantity Value Units Method Reference Comment
Deltar-339. ± 3.kJ/molChydFang and Rogers, 1992liquid phase; solvent: Cyclohexane; ALS
Deltar-336.8 ± 1.4kJ/molChydTurner, Mallon, et al., 1973liquid phase; solvent: Glacial acetic acid; ALS

3Hydrogen + 1,3,5-Hexatriene, (E)- = n-Hexane

By formula: 3H2 + C6H8 = C6H14

Quantity Value Units Method Reference Comment
Deltar-335. ± 3.kJ/molChydFang and Rogers, 1992liquid phase; solvent: Cyclohexane; ALS
Deltar-332.3 ± 0.92kJ/molChydTurner, Mallon, et al., 1973liquid phase; solvent: Glacial acetic acid; ALS

Hydrogen + Methylenecycloheptane = Cycloheptane, methyl-

By formula: H2 + C8H14 = C8H16

Quantity Value Units Method Reference Comment
Deltar-109.9 ± 0.59kJ/molChydTurner and Garner, 1958liquid phase; solvent: Acetic acid; ALS
Deltar-109.9 ± 0.59kJ/molChydTurner and Garner, 1957liquid phase; solvent: Acetic acid; ALS

Hydrogen + Cyclohexene, 1-ethyl- = Cyclohexane, ethyl-

By formula: H2 + C8H14 = C8H16

Quantity Value Units Method Reference Comment
Deltar-104.9 ± 0.54kJ/molChydTurner and Garner, 1958liquid phase; solvent: Acetic acid; ALS
Deltar-104.9 ± 0.54kJ/molChydTurner and Garner, 1957liquid phase; solvent: Acetic acid; ALS

3Hydrogen + 1,3,5-Cyclooctatriene = Cyclooctane

By formula: 3H2 + C8H10 = C8H16

Quantity Value Units Method Reference Comment
Deltar-319.6 ± 1.8kJ/molChydTurner, Mallon, et al., 1973liquid phase; solvent: Acetic acid; ALS
Deltar-302.8 ± 1.1kJ/molChydTurner, Meador, et al., 1957, 2liquid phase; solvent: Acetic acid; ALS

Hydrogen + 1-Decene = Decane

By formula: H2 + C10H20 = C10H22

Quantity Value Units Method Reference Comment
Deltar-124.2 ± 1.2kJ/molChydRogers and Skanupong, 1974liquid phase; solvent: Hexane; ALS
Deltar-125.1 ± 1.3kJ/molChydBretschneider and Rogers, 1970liquid phase; solvent: galcial acetic acid; ALS

Hydrogen + Tricyclo[2.2.1.0(2,6)]heptane = Norbornane

By formula: H2 + C7H10 = C7H12

Quantity Value Units Method Reference Comment
Deltar-130. ± 0.8kJ/molChydFlury, Grob, et al., 1988liquid phase; solvent: Isooctane; ALS
Deltar-136.3 ± 2.2kJ/molChydRogers, Choi, et al., 1980liquid phase; solvent: Hexane; Author was aware that data differs from previously reported values; 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.

Davis, Allinger, et al., 1985
Davis, H.E.; Allinger, N.L.; Rogers, D.W., Enthalpies of hydrogenation of phenylalkynes: indirect determination of the enthalpy of formation of diphenylcyclopropenone, J. Org. Chem., 1985, 50, 3601-3604. [all data]

Rogers and McLafferty, 1971
Rogers, D.W.; McLafferty, F.J., A new hydrogen calorimeter. Heats of hydrogenation of allyl and vinyl unsaturation adjacent to a ring, Tetrahedron, 1971, 27, 3765-3775. [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, 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]

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Notes

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