Methyl Isobutyl Ketone

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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
Δfgas-69.60 ± 0.34kcal/molCcbDubois and Herzog, 1972ALS

Constant pressure heat capacity of gas

Cp,gas (cal/mol*K) Temperature (K) Reference Comment
43.141 ± 0.065394.30von Geiseler G., 1973GT
43.561 ± 0.065399.44
44.051 ± 0.067405.15
44.469 ± 0.067410.70
44.909 ± 0.067415.75

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 as indicated in comments:
DH - Eugene S. Domalski and Elizabeth D. Hearing
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Quantity Value Units Method Reference Comment
Δfsolid-91.18kcal/molCcbTavernier and Lamouroux, 1956Author's hf298_condensed=-94.26 kcal/mol; ALS
Quantity Value Units Method Reference Comment
Δcsolid-883.02kcal/molCcbTavernier and Lamouroux, 1956Author's hf298_condensed=-94.26 kcal/mol; Corresponding Δfsolid = -91.18 kcal/mol (simple calculation by NIST; no Washburn corrections); ALS

Constant pressure heat capacity of liquid

Cp,liquid (cal/mol*K) Temperature (K) Reference Comment
50.65298.15Vesely, Barcal, et al., 1989T = 298.15 to 318.15 K.; DH

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

4-Methyl-2-pentanone dimethylacetal + Water = Methyl Isobutyl Ketone + 2Methyl Alcohol

By formula: C8H18O2 + H2O = C6H12O + 2CH4O

Quantity Value Units Method Reference Comment
Δr3.284 ± 0.013kcal/molCmWiberg and Squires, 1979liquid phase

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 evaluated as indicated in comments:
L - Sharon G. Lias

Data compiled as indicated in comments:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron

Quantity Value Units Method Reference Comment
IE (evaluated)9.30 ± 0.01eVN/AN/AL

Ionization energy determinations

IE (eV) Method Reference Comment
9.296 ± 0.005PEHernandez, Masclet, et al., 1977LLK
9.42PETam, Yee, et al., 1974LLK
9.34 ± 0.01PECocksey, Eland, et al., 1971LLK
9.30 ± 0.02PIMurad and Inghram, 1964RDSH
9.30 ± 0.03PIWatanabe, Nakayama, et al., 1962RDSH

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
C3H6O+9.98C3H6EIHolmes and Lossing, 1980LLK
C3H6O+10.1C3H6PIMurad and Inghram, 1964RDSH
C5H9O+9.80CH3PIMurad and Inghram, 1964RDSH

References

Go To: Top, Gas phase thermochemistry data, Condensed 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.

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]

Tavernier and Lamouroux, 1956
Tavernier, P.; Lamouroux, M., Determinations calorimetriques relatives a vingt-six substances organiques, Mem. Poudres, 1956, 38, 65-88. [all data]

Vesely, Barcal, et al., 1989
Vesely, F.; Barcal, P.; Zabransky, M.; Svoboda, V., Heat capacities of 4-methyl-2-pentanone, 2,6-dimethyl-4-heptanone, 1-hexanol, 1-heptanol, and 1-octanol in the temperature range 298-318 K, Collect. Czech. Chem. Commun., 1989, 54, 602-607. [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]

Hernandez, Masclet, et al., 1977
Hernandez, R.; Masclet, P.; Mouvier, G., Spectroscopie de photoelectrons d'aldehydes et de cetones aliphatiques, J. Electron Spectrosc. Relat. Phenom., 1977, 10, 333. [all data]

Tam, Yee, et al., 1974
Tam, W.-C.; Yee, D.; Brion, C.E., Photoelectron spectra of some aldehydes and ketones, J. Electron Spectrosc. Relat. Phenom., 1974, 4, 77. [all data]

Cocksey, Eland, et al., 1971
Cocksey, B.J.; Eland, J.H.D.; Danby, C.J., The effect of alkyl substitution on ionisation potential, J. Chem. Soc., 1971, (B), 790. [all data]

Murad and Inghram, 1964
Murad, E.; Inghram, M.G., Photoionization of aliphatic ketones, J. Chem. Phys., 1964, 40, 3263. [all data]

Watanabe, Nakayama, et al., 1962
Watanabe, K.; Nakayama, T.; Mottl, J., Ionization potentials of some molecules, J. Quant. Spectry. Radiative Transfer, 1962, 2, 369. [all data]

Holmes and Lossing, 1980
Holmes, J.L.; Lossing, F.P., Gas-phase heats of formation of keto and enol ions of carbonyl compounds., J. Am. Chem. Soc., 1980, 102, 1591. [all data]


Notes

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