3,5-Heptanedione, 2,2,6,6-tetramethyl-

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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
Δfliquid-587.7 ± 3.8kJ/molCcbFerrao and Ribeiro Da Silva, 1981 
Δfliquid-587.9 ± 3.9kJ/molCcbFerrao and Ribeiro Da Silva, 1981For enol form(98.0%)
Quantity Value Units Method Reference Comment
Δcliquid-6599.2 ± 3.5kJ/molCcbFerrao and Ribeiro Da Silva, 1981Corresponding Δfliquid = -587.7 kJ/mol (simple calculation by NIST; no Washburn corrections)

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

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

3,5-Heptanedione, 2,2,6,6-tetramethyl- = 4-Hepten-3-one, 5-hydroxy-2,2,6,6-tetramethyl-, (Z)-

By formula: C11H20O2 = C11H20O2

Quantity Value Units Method Reference Comment
Δr-21. ± 0.8kJ/molEqkCalmon, 1969liquid phase; NMR

References

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

Ferrao and Ribeiro Da Silva, 1981
Ferrao, M.L.C.C.H.; Ribeiro Da Silva, M.A.V., Enthalpies of combustion of four methyl-substituted heptane-3,5-diones and benzoylacetone, J. Chem. Thermodyn., 1981, 13, 567-571. [all data]

Calmon, 1969
Calmon, J.P., Thermodynamic functions of enolization of aliphatic β-diketones, C. R. Acad. Sci. Paris, 1969, 268, 1435-1438. [all data]


Notes

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