Butanoic acid, 2-methyl-, ethyl ester

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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
Δfgas-516.1 ± 1.4kJ/molCcbVerevkin, Beckhaus, et al., 1992See 90BEC/VER
Δfgas-522.6 ± 8.8kJ/molCcbHancock, Watson, et al., 1954Heat of formation derived by Cox and Pilcher, 1970

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-560.4 ± 1.4kJ/molCcbVerevkin, Beckhaus, et al., 1992See 90BEC/VER; ALS
Quantity Value Units Method Reference Comment
Δcliquid-4195.0 ± 1.3kJ/molCcbVerevkin, Beckhaus, et al., 1992See 90BEC/VER; Corresponding Δfliquid = -560.40 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS
Δcliquid-4188.6 ± 8.4kJ/molCcbHancock, Watson, et al., 1954Reanalyzed by Cox and Pilcher, 1970, Original value = -4188. kJ/mol; Heat of formation derived by Cox and Pilcher, 1970; Corresponding Δfliquid = -566.76 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
327.4298.15Verevkin, Beckhaus, et al., 1992DH

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.

Verevkin, Beckhaus, et al., 1992
Verevkin, S.P.; Beckhaus, H.-D.; Ruchardt, C., Geminale substituenteneffekte Teil 5α. Standardbildungsenthalpien von alkylsubstituierten Malonsaure- und α-aminocarbonsaureestern, Thermochim. Acta, 1992, 197, 27-39. [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]

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


Notes

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