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Pentane

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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:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
MS - José A. Martinho Simões

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.

Individual Reactions

1-Pentene + Hydrogen = Pentane

By formula: C5H10 + H2 = C5H12

Quantity Value Units Method Reference Comment
Deltar-126.6 ± 2.4kJ/molChydMolnar, Rachford, et al., 1984liquid phase; solvent: Dioxane; ALS
Deltar-125.0 ± 1.8kJ/molChydMolnar, Rachford, et al., 1984liquid phase; solvent: Hexane; ALS
Deltar-122.6 ± 2.4kJ/molChydRogers and Skanupong, 1974liquid phase; solvent: Hexane; ALS
Deltar-119. ± 1.kJ/molChydRogers and McLafferty, 1971liquid phase; solvent: Hydrocarbon; ALS

C10H12CrO5 (solution) = Pentane (solution) + C5CrO5 (solution)

By formula: C10H12CrO5 (solution) = C5H12 (solution) + C5CrO5 (solution)

Quantity Value Units Method Reference Comment
Deltar37.3kJ/molN/AMorse, Parker, et al., 1989solvent: Pentane; The reaction enthalpy was derived by using the LPHP value for the enthalpy of cleavage of Cr-CO bond in Cr(CO)6, 154.0 kJ/mol Lewis, Golden, et al., 1984, toghether with a PAC value for the reaction Cr(CO)6(solution) + n-C5H12(solution) = Cr(CO)5(n-C5H12)(solution) + CO(solution), 116.7 kJ/mol Morse, Parker, et al., 1989; MS

Pentane (solution) + Chromium hexacarbonyl (solution) = C10H12CrO5 (solution) + Carbon monoxide (solution)

By formula: C5H12 (solution) + C6CrO6 (solution) = C10H12CrO5 (solution) + CO (solution)

Quantity Value Units Method Reference Comment
Deltar117. ± 11.kJ/molPACMorse, Parker, et al., 1989solvent: Pentane; The reaction enthalpy relies on 0.67 for the quantum yield of CO dissociation; MS

3Hydrogen + 3-Penten-1-yne, (Z)- = Pentane

By formula: 3H2 + C5H6 = C5H12

Quantity Value Units Method Reference Comment
Deltar-405. ± 0.4kJ/molChydRoth, Adamczak, et al., 1991liquid phase; ALS
Deltar-400. ± 4.6kJ/molChydSkinner and Snelson, 1959liquid phase; solvent: Acetic acid; ALS

3Hydrogen + 3-Penten-1-yne, (E)- = Pentane

By formula: 3H2 + C5H6 = C5H12

Quantity Value Units Method Reference Comment
Deltar-406. ± 1.kJ/molChydRoth, Adamczak, et al., 1991liquid phase; ALS
Deltar-402. ± 2.kJ/molChydSkinner and Snelson, 1959liquid phase; solvent: Acetic acid; ALS

2Hydrogen + 1,4-Pentadiene = Pentane

By formula: 2H2 + C5H8 = C5H12

Quantity Value Units Method Reference Comment
Deltar-252.0 ± 0.63kJ/molChydKistiakowsky, Ruhoff, et al., 1936gas phase; Reanalyzed by Cox and Pilcher, 1970, Original value = -254.3 ± 0.63 kJ/mol; At 355 °K; ALS

Phenol (solution) + C5H11BrMg (solution) = C6H5BrMgO (solution) + Pentane (solution)

By formula: C6H6O (solution) + C5H11BrMg (solution) = C6H5BrMgO (solution) + C5H12 (solution)

Quantity Value Units Method Reference Comment
Deltar-202.5 ± 4.2kJ/molRSCHolm, 1983solvent: Diethyl ether; MS

C5H11BrMg (solution) + Hydrogen bromide (g) = Pentane (solution) + Br2Mg (solution)

By formula: C5H11BrMg (solution) + HBr (g) = C5H12 (solution) + Br2Mg (solution)

Quantity Value Units Method Reference Comment
Deltar-306.3 ± 2.2kJ/molRSCHolm, 1981solvent: Diethyl ether; MS

Ethanol (solution) + C5H11BrMg (solution) = C2H5BrMgO (solution) + Pentane (solution)

By formula: C2H6O (solution) + C5H11BrMg (solution) = C2H5BrMgO (solution) + C5H12 (solution)

Quantity Value Units Method Reference Comment
Deltar-199.6 ± 4.2kJ/molRSCHolm, 1983solvent: Diethyl ether; MS

C5H11BrMg (solution) + Methylamine (solution) = CH4BrMgN (solution) + Pentane (solution)

By formula: C5H11BrMg (solution) + CH5N (solution) = CH4BrMgN (solution) + C5H12 (solution)

Quantity Value Units Method Reference Comment
Deltar-130.5 ± 2.5kJ/molRSCHolm, 1983solvent: Diethyl ether; MS

2Hydrogen + Cyclopropane,ethenyl- = Pentane

By formula: 2H2 + C5H8 = C5H12

Quantity Value Units Method Reference Comment
Deltar-274. ± 0.8kJ/molChydRoth, Kirmse, et al., 1982liquid phase; solvent: Isooctane; ALS

C5O5W (g) + Pentane (g) = C10H12O5W (g)

By formula: C5O5W (g) + C5H12 (g) = C10H12O5W (g)

Quantity Value Units Method Reference Comment
Deltar-44. ± 13.kJ/molEqGBrown, Ishikawa, et al., 1990Temperature range: ca. 300-350 K; MS

C5H11BrMg (solution) + Methane (solution) = Pentane (solution) + CH3BrMg (solution)

By formula: C5H11BrMg (solution) + CH4 (solution) = C5H12 (solution) + CH3BrMg (solution)

Quantity Value Units Method Reference Comment
Deltar-15.1 ± 4.2kJ/molRSCHolm, 1983solvent: Diethyl ether; MS

Propanedinitrile (solution) + C5H11BrMg (solution) = C3HBrMgN2 (solution) + Pentane (solution)

By formula: C3H2N2 (solution) + C5H11BrMg (solution) = C3HBrMgN2 (solution) + C5H12 (solution)

Quantity Value Units Method Reference Comment
Deltar-203.3kJ/molRSCHolm, 1983solvent: Diethyl ether; MS

Diphenylamine (solution) + C5H11BrMg (solution) = C12H10BrMgN (solution) + Pentane (solution)

By formula: C12H11N (solution) + C5H11BrMg (solution) = C12H10BrMgN (solution) + C5H12 (solution)

Quantity Value Units Method Reference Comment
Deltar-118.8kJ/molRSCHolm, 1983solvent: Diethyl ether; MS

C5H11BrMg (solution) + Trifluoroacetic acid (solution) = C2BrF3MgO2 (solution) + Pentane (solution)

By formula: C5H11BrMg (solution) + C2HF3O2 (solution) = C2BrF3MgO2 (solution) + C5H12 (solution)

Quantity Value Units Method Reference Comment
Deltar-273.6kJ/molRSCHolm, 1983solvent: Diethyl ether; MS

C5H11BrMg (solution) + Phenol, pentafluoro- (solution) = C6BrF5MgO (cr) + Pentane (solution)

By formula: C5H11BrMg (solution) + C6HF5O (solution) = C6BrF5MgO (cr) + C5H12 (solution)

Quantity Value Units Method Reference Comment
Deltar-233.9kJ/molRSCHolm, 1983solvent: Diethyl ether; MS

C5H11BrMg (solution) + Ethanol, 2,2,2-trifluoro- (solution) = C2H2BrF3MgO (solution) + Pentane (solution)

By formula: C5H11BrMg (solution) + C2H3F3O (solution) = C2H2BrF3MgO (solution) + C5H12 (solution)

Quantity Value Units Method Reference Comment
Deltar-199.6kJ/molRSCHolm, 1983solvent: Diethyl ether; MS

Methyl Alcohol (solution) + C5H11BrMg (solution) = CH3BrMgO (cr) + Pentane (solution)

By formula: CH4O (solution) + C5H11BrMg (solution) = CH3BrMgO (cr) + C5H12 (solution)

Quantity Value Units Method Reference Comment
Deltar-219.7kJ/molRSCHolm, 1983solvent: Diethyl ether; MS

2Hydrogen + 1,3-Pentadiene = Pentane

By formula: 2H2 + C5H8 = C5H12

Quantity Value Units Method Reference Comment
Deltar-226.4 ± 0.63kJ/molChydDolliver, Gresham, et al., 1937gas phase; At 355 °K; ALS

Pentane = Butane, 2-methyl-

By formula: C5H12 = C5H12

Quantity Value Units Method Reference Comment
Deltar-7.786kJ/molEqkPines, Kvetinskas, et al., 1945gas phase; Heat of isomerization; 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

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.

Molnar, Rachford, et al., 1984
Molnar, A.; Rachford, R.; Smith, G.V.; Liu, R., Heats of hydrogenation by a simple and rapid flow calorimetric method, Appl. Catal., 1984, 9, 219-223. [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]

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]

Morse, Parker, et al., 1989
Morse, J.M., Jr.; Parker, G.H.; Burkey, T.J., Organometallics, 1989, 8, 2471. [all data]

Lewis, Golden, et al., 1984
Lewis, K.E.; Golden, D.M.; Smith, G.P., Organometallic bond dissociation energies: Laser pyrolysis of Fe(CO)5, Cr(CO)6, Mo(CO)6, and W(CO)6, J. Am. Chem. Soc., 1984, 106, 3905. [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]

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

Kistiakowsky, Ruhoff, et al., 1936
Kistiakowsky, G.B.; Ruhoff, J.R.; Smith, H.A.; Vaughan, W.E., Heats of organic reactions. IV. Hydrogenation of some dienes and of benzene, J. Am. Chem. Soc., 1936, 58, 146-153. [all data]

Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G., Thermochemistry of Organic and Organometallic Compounds, Academic Press, New York, 1970, 1-636. [all data]

Holm, 1983
Holm, T., Acta Chem. Scand. B, 1983, 37, 797. [all data]

Holm, 1981
Holm, T., J. Chem. Soc., Perkin Trans. II, 1981, 464.. [all data]

Roth, Kirmse, et al., 1982
Roth, W.R.; Kirmse, W.; Hoffmann, W.; Lennartz, H.W., Heats of hydrogenation. III. Effect of fluoro substituents on the thermal rearrangement of cyclopropane systems, Chem. Ber., 1982, 115, 2508-2515. [all data]

Brown, Ishikawa, et al., 1990
Brown, C.E.; Ishikawa, Y.; Hackett, P.A.; Rayner, D.M., J. Am. Chem. Soc., 1990, 112, 2530. [all data]

Dolliver, Gresham, et al., 1937
Dolliver, M.a.; Gresham, T.L.; Kistiakowsky, G.B.; Vaughan, W.E., Heats of organic reactions. V. Heats of hydrogenation of various hydrocarbons, J. Am. Chem. Soc., 1937, 59, 831-841. [all data]

Pines, Kvetinskas, et al., 1945
Pines, H.; Kvetinskas, B.; Kassel, L.S.; Ipatieff, V.N., Determination of equilibrium constants for butanes and pentanes, J. Am. Chem. Soc., 1945, 67, 631-637. [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]


Notes

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