Methyl valerate

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

Quantity Value Units Method Reference Comment
Δfliquid-514.2 ± 7.1kJ/molCcbAdriaanse, Dekker, et al., 1965Heat of formation derived by Cox and Pilcher, 1970; ALS
Δfliquid-527.kJ/molCcbHancock, Watson, et al., 1954ALS
Quantity Value Units Method Reference Comment
Δcliquid-3561.7 ± 0.6kJ/molCcbAdriaanse, Dekker, et al., 1965Corresponding Δfliquid = -514.3 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS
Δcliquid-3548.kJ/molCcbHancock, Watson, et al., 1954Corresponding Δfliquid = -528.0 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS

Constant pressure heat capacity of liquid

Cp,liquid (J/mol*K) Temperature (K) Reference Comment
226.11298.15Pintos, Bravo, et al., 1988DH
229.3298.15Fuchs, 1979DH

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

Pentane, 1,1,1-trimethoxy- + Water = Methyl valerate + 2Methyl Alcohol

By formula: C8H18O3 + H2O = C6H12O2 + 2CH4O

Quantity Value Units Method Reference Comment
Δr-25.53 ± 0.050kJ/molCmWiberg, Martin, et al., 1985liquid phase; solvent: Aqueous dioxane
Δr-25.72 ± 0.03kJ/molCmWiberg, 1980liquid phase; solvent: Water; Hydrolysis

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

Ionization energy determinations

IE (eV) Method Reference Comment
10.4 ± 0.2EIHowe, Williams, et al., 1969RDSH

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
C3H6O2+10.06C3H6EIHolmes and Lossing, 1980LLK
C3H6O2+11.0 ± 0.2C3H6EIHowe, Williams, et al., 1969RDSH
C5H9O+11.2 ± 0.2CH3OEIHowe, Williams, et al., 1969RDSH

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.

Adriaanse, Dekker, et al., 1965
Adriaanse, N.; Dekker, H.; Coops, J., Heats of combustion of normal saturated fatty acids and their methyl esters, Rec. Trav. Chim. Pays/Bas, 1965, 84, 393-407. [all data]

Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G., Thermochemistry of Organic and Organometallic Compounds, Academic Press, New York, 1970, 1-636. [all data]

Hancock, Watson, et al., 1954
Hancock, C.K.; Watson, G.M.; Gilby, R.F., Heats of combustion of five-carbon fatty acids and their methyl and ethyl esters, J. Phys. Chem., 1954, 58, 127-129. [all data]

Pintos, Bravo, et al., 1988
Pintos, M.; Bravo, R.; Baluja, M.C.; Paz Andrade, M.I.; Roux-Desgranges, G.; Grolier, J.-P.E., Can. J. Chem., 1988, 1179. [all data]

Fuchs, 1979
Fuchs, R., Heat capacities of some liquid aliphatic, alicyclic, and aromatic esters at 298.15 K, J. Chem. Thermodyn., 1979, 11, 959-961. [all data]

Wiberg, Martin, et al., 1985
Wiberg, K.B.; Martin, E.J.; Squires, R.R., Thermochemical studies of carbonyl compounds. 3. Enthalpies of hydrolysis of ortho esters, J. Org. Chem., 1985, 50, 4717-4720. [all data]

Wiberg, 1980
Wiberg, K.B., Energies of organic compounds, Rept. DOE-E(11-1)4060 Prepared for US Dept. of Energy by Yale Univ., New Haven, CT. Avail. NTIS, 1980, 1-24. [all data]

Howe, Williams, et al., 1969
Howe, I.; Williams, D.H.; Kingston, D.G.I.; Tannenbaum, H.P., Substituent effects in the mass spectra of some - and -substituted methyl butyrates, J. Chem. Soc. B, 1969, 439. [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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