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2-Pentanone, 3-methyl-

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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 as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
GT - Glushko Thermocenter, Russian Academy of Sciences, Moscow

Quantity Value Units Method Reference Comment
Deltafgas-284.1 ± 1.3kJ/molCcbDubois and Herzog, 1972ALS

Constant pressure heat capacity of gas

Cp,gas (J/mol*K) Temperature (K) Reference Comment
182.46 ± 0.27395.25von Geiseler G., 1973GT
183.72 ± 0.28399.65
184.97 ± 0.28403.75
187.36 ± 0.28411.35
188.66 ± 0.28416.25

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-Methyl-2-pentanone dimethylacetal + Water = 2-Pentanone, 3-methyl- + 2Methyl Alcohol

By formula: C8H18O2 + H2O = C6H12O + 2CH4O

Quantity Value Units Method Reference Comment
Deltar19.92 ± 0.046kJ/molCmWiberg and Squires, 1979liquid phase; Heat of hydrolysis

References

Go To: Top, Gas 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.

Dubois and Herzog, 1972
Dubois, J.-E.; Herzog, H., Heats of formation of aliphatic ketones: Structure correlation based on environment treatment, J. Chem. Soc. Chem. Commun., 1972, 932-933. [all data]

von Geiseler G., 1973
von Geiseler G., The heat capacity and the heat of vaporization of isomeric butylmethylketones and propylacetates, Z. Phys. Chem. (Leipzig), 1973, 252, 170-176. [all data]

Wiberg and Squires, 1979
Wiberg, K.B.; Squires, R.R., Thermodynamics of hydrolysis aliphatic ketals. An entropy component of steric effects, J. Am. Chem. Soc., 1979, 101, 5512-5515. [all data]


Notes

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