2-Butanol

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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:
B - John E. Bartmess
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
RCD - Robert C. Dunbar

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Individual Reactions

C4H9O- + Hydrogen cation = 2-Butanol

By formula: C4H9O- + H+ = C4H10O

Quantity Value Units Method Reference Comment
Δr374.1 ± 2.0kcal/molCIDCHaas and Harrison, 1993gas phase; Both metastable and 50 eV collision energy.; B
Δr374.2 ± 2.1kcal/molG+TSTaft, 1987gas phase; value altered from reference due to change in acidity scale; B
Δr374.1 ± 2.8kcal/molG+TSBoand, Houriet, et al., 1983gas phase; value altered from reference due to change in acidity scale; B
Quantity Value Units Method Reference Comment
Δr367.5 ± 2.1kcal/molH-TSHaas and Harrison, 1993gas phase; Both metastable and 50 eV collision energy.; B
Δr367.6 ± 2.0kcal/molIMRETaft, 1987gas phase; value altered from reference due to change in acidity scale; B
Δr367.5 ± 2.7kcal/molCIDCBoand, Houriet, et al., 1983gas phase; value altered from reference due to change in acidity scale; B

Hydrogen + 2-Butanone = 2-Butanol

By formula: H2 + C4H8O = C4H10O

Quantity Value Units Method Reference Comment
Δr-12.95kcal/molEqkBuckley and Herington, 1965gas phase; ALS
Δr-13.0 ± 0.1kcal/molChydDolliver, Gresham, et al., 1938gas phase; Reanalyzed by Cox and Pilcher, 1970, Original value = -13.2 ± 0.1 kcal/mol; At 355 °K; ALS

2-Butanol = Hydrogen + 2-Butanone

By formula: C4H10O = H2 + C4H8O

Quantity Value Units Method Reference Comment
Δr12.96kcal/molEqkCubberley and Mueller, 1946gas phase; ALS
Δr13.664kcal/molEqkKolb and Burwell, 1945gas phase; ALS

1-Propene, 2-methyl- + 2-Butanol = 2-(tert-butoxy)butane

By formula: C4H8 + C4H10O = C8H18O

Quantity Value Units Method Reference Comment
Δr-9.01 ± 0.57kcal/molEqkSharonov, Mishentseva, et al., 1991liquid phase; ALS

Ketene + 2-Butanol = sec-Butyl acetate

By formula: C2H2O + C4H10O = C6H12O2

Quantity Value Units Method Reference Comment
Δr-34.53kcal/molCmRice and Greenberg, 1934liquid phase; ALS

Sodium ion (1+) + 2-Butanol = (Sodium ion (1+) • 2-Butanol)

By formula: Na+ + C4H10O = (Na+ • C4H10O)

Quantity Value Units Method Reference Comment
Δr28.0 ± 1.2kcal/molCIDTRodgers and Armentrout, 1999RCD

Lithium ion (1+) + 2-Butanol = (Lithium ion (1+) • 2-Butanol)

By formula: Li+ + C4H10O = (Li+ • C4H10O)

Quantity Value Units Method Reference Comment
Δr41.6 ± 2.2kcal/molCIDTRodgers and Armentrout, 2000RCD

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.

Haas and Harrison, 1993
Haas, M.J.; Harrison, A.G., The Fragmentation of Proton-Bound Cluster Ions and the Gas-Phase Acidities of Alcohols, Int. J. Mass Spectrom. Ion Proc., 1993, 124, 2, 115, https://doi.org/10.1016/0168-1176(93)80003-W . [all data]

Taft, 1987
Taft, R.W., The Nature and Analysis of Substitutent Electronic Effects, Personal communication. See also Prog. Phys. Org. Chem., 1987, 16, 1. [all data]

Boand, Houriet, et al., 1983
Boand, G.; Houriet, R.; Baumann, T., The gas phase acidity of aliphatic alcohols, J. Am. Chem. Soc., 1983, 105, 2203. [all data]

Buckley and Herington, 1965
Buckley, E.; Herington, E.F.G., Equilibria in some secondary alcohol + hydrogen + ketone systems, Trans. Faraday Soc., 1965, 61, 1618-1625. [all data]

Dolliver, Gresham, et al., 1938
Dolliver, M.A.; Gresham, T.L.; Kistiakowsky, G.B.; Smith, E.A.; Vaughan, W.E., Heats of organic reactions. VI. Heats of hydrogenation of some oxygen-containing compounds, J. Am. Chem. Soc., 1938, 60, 440-450. [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]

Cubberley and Mueller, 1946
Cubberley, A.H.; Mueller, M.B., Equilibrium studies on the dehydrogenation of primary and secondary alcohols. I. 2-Butanol, 2-octanol, cyclopentanol and benzyl alcohol, J. Am. Chem. Soc., 1946, 68, 1149-1151. [all data]

Kolb and Burwell, 1945
Kolb, H.J.; Burwell, R.L., Jr., Equilibrium in the dehydrogenation of secondary propyl and butyl alcohols, J. Am. Chem. Soc., 1945, 67, 1084-1088. [all data]

Sharonov, Mishentseva, et al., 1991
Sharonov, K.G.; Mishentseva, Y.B.; Rozhnov, A.M.; Miroshnichenko, E.A.; Korchatova, L.I., Molar enthalpies of formation and vaporizqation of t-butoxybutanes and thermodynamics of their synthesis from a butanol and 2-methylpropene I. Equilibria of synthesis reactions of t-butoxybutanes in the liquid phase, J. Chem. Thermodyn., 1991, 23, 141-145. [all data]

Rice and Greenberg, 1934
Rice, F.O.; Greenberg, J., Ketene. III. Heat of formation and heat of reaction with alcohols, J. Am. Chem. Soc., 1934, 38, 2268-2270. [all data]

Rodgers and Armentrout, 1999
Rodgers, M.T.; Armentrout, P.B., Absolute Binding Energies of Sodium Ions to Short-Chain Alcohols, CnH2n+2O, n=1-4, Determined by Threshold Collision-Induced Dissociation Experiments and Ab Initio Theory, 1999, 4955. [all data]

Rodgers and Armentrout, 2000
Rodgers, M.T.; Armentrout, P.B., Noncovalent Metal-Ligand Bond Energies as Studied by Threshold Collision-Induced Dissociation, Mass Spectrom. Rev., 2000, 19, 4, 215, https://doi.org/10.1002/1098-2787(200007)19:4<215::AID-MAS2>3.0.CO;2-X . [all data]


Notes

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