2,2,3,3,4,4,4-Heptafluoro-butanol

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Gas phase 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 by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Quantity Value Units Method Reference Comment
Δfgas  CmAndreevskii and Antonova, 1982uncertain value: -410.7 kcal/mol

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 by: John E. Bartmess

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Individual Reactions

C4H2F7O- + Hydrogen cation = 2,2,3,3,4,4,4-Heptafluoro-butanol

By formula: C4H2F7O- + H+ = C4H3F7O

Quantity Value Units Method Reference Comment
Δr350.1 ± 6.1kcal/molG+TSDawson and Jennings, 1977gas phase; Between (CF3)2CHOH, CF3CH2OH; value altered from reference due to change in acidity scale
Quantity Value Units Method Reference Comment
Δr343.5 ± 6.0kcal/molIMRBDawson and Jennings, 1977gas phase; Between (CF3)2CHOH, CF3CH2OH; value altered from reference due to change in acidity scale

Gas phase ion energetics 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
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard

Ionization energy determinations

IE (eV) Method Reference Comment
11.20PEKoppel, Molder, et al., 1983LBLHLM

De-protonation reactions

C4H2F7O- + Hydrogen cation = 2,2,3,3,4,4,4-Heptafluoro-butanol

By formula: C4H2F7O- + H+ = C4H3F7O

Quantity Value Units Method Reference Comment
Δr350.1 ± 6.1kcal/molG+TSDawson and Jennings, 1977gas phase; Between (CF3)2CHOH, CF3CH2OH; value altered from reference due to change in acidity scale; B
Quantity Value Units Method Reference Comment
Δr343.5 ± 6.0kcal/molIMRBDawson and Jennings, 1977gas phase; Between (CF3)2CHOH, CF3CH2OH; value altered from reference due to change in acidity scale; B

References

Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, Gas phase ion energetics data, Notes

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

Andreevskii and Antonova, 1982
Andreevskii, D.N.; Antonova, Z.A., Development of an increment scheme for calculating the thermodynamic properties of organic polyfluoro compounds, J. Appl. Chem. USSR, 1982, 55, 582-587. [all data]

Dawson and Jennings, 1977
Dawson, J.H.J.; Jennings, K.R., Relative gas phase acidities of some fluoroalcohols, Int. J. Mass Spectrom. Ion Phys., 1977, 25, 47. [all data]

Koppel, Molder, et al., 1983
Koppel, I.A.; Molder, U.H.; Pikver, R.J., Photoelectron spectra of molecules. I. Alcohols, Org. React. Tartu, 1983, 20, 45. [all data]


Notes

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