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2,4-Pentanedione, 1,1,1-trifluoro-

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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
Deltafgas-239.79 ± 0.79kcal/molCcrErastov, Kolesov, et al., 1984Hf-gas-(enol)
Deltafgas-237.4 ± 0.81kcal/molCcrErastov, Kolesov, et al., 1984Hf-gas-(keto)

Condensed 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
Deltafliquid-248.61 ± 0.79kcal/molCcrErastov, Kolesov, et al., 1984Hf-gas-(enol)
Quantity Value Units Method Reference Comment
Deltacliquid-521.01 ± 0.62kcal/molCcrErastov, Kolesov, et al., 1984Hf-gas-(enol)

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

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

C5H4F3O2- + Hydrogen cation = 2,4-Pentanedione, 1,1,1-trifluoro-

By formula: C5H4F3O2- + H+ = C5H5F3O2

Quantity Value Units Method Reference Comment
Deltar328.3 ± 2.9kcal/molG+TSFujio, McIver, et al., 1981gas phase; value altered from reference due to change in acidity scale
Deltar328.5 ± 4.1kcal/molG+TSCumming and Kebarle, 1978gas phase
Quantity Value Units Method Reference Comment
Deltar322.0 ± 2.0kcal/molIMREFujio, McIver, et al., 1981gas phase; value altered from reference due to change in acidity scale
Deltar322.1 ± 2.0kcal/molIMRECumming and Kebarle, 1978gas phase

References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Reaction thermochemistry data, Notes

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

Erastov, Kolesov, et al., 1984
Erastov, P.A.; Kolesov, V.P.; Igumenov, I.K., Standard enthalpies of formation of some fluorinated «beta»-diketones, Russ. J. Phys. Chem. (Engl. Transl.), 1984, 58, 1311-1313. [all data]

Fujio, McIver, et al., 1981
Fujio, M.; McIver, R.T., Jr.; Taft, R.W., Effects on the acidities of phenols from specific substituent-solvent interactions. Inherent substituent parameters from gas phase acidities, J. Am. Chem. Soc., 1981, 103, 4017. [all data]

Cumming and Kebarle, 1978
Cumming, J.B.; Kebarle, P., Summary of gas phase measurements involving acids AH. Entropy changes in proton transfer reactions involving negative ions. Bond dissociation energies D(A-H) and electron affinities EA(A), Can. J. Chem., 1978, 56, 1. [all data]


Notes

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Reaction thermochemistry data, References