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Propanoic acid, 2,2-dimethyl-, 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 as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.

Quantity Value Units Method Reference Comment
Deltafgas-525.6 ± 1.0kJ/molCcbVerevkin, Beckhaus, et al., 1992See 90BEC/VER; ALS
Deltafgas-536.0kJ/molN/AHancock, Watson, et al., 1954Value computed using «DELTA»fHliquid° value of -577.2±8.4 kj/mol from Hancock, Watson, et al., 1954 and «DELTA»vapH° value of 41.2 kj/mol from Verevkin, Beckhaus, et al., 1992.; DRB

Condensed phase thermochemistry data

Go To: Top, Gas phase thermochemistry data, References, Notes

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
Deltafliquid-566.8 ± 1.0kJ/molCcbVerevkin, Beckhaus, et al., 1992See 90BEC/VER; ALS
Deltafliquid-577.2 ± 8.4kJ/molCcbHancock, Watson, et al., 1954Reanalyzed by Cox and Pilcher, 1970, Original value = -577. kJ/mol; ALS
Quantity Value Units Method Reference Comment
Deltacliquid-4188.5 ± 1.0kJ/molCcbVerevkin, Beckhaus, et al., 1992See 90BEC/VER; Corresponding «DELTA»fliquid = -566.85 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS
Deltacliquid-4178.1 ± 8.4kJ/molCcbHancock, Watson, et al., 1954Reanalyzed by Cox and Pilcher, 1970, Original value = -4180. kJ/mol; Corresponding «DELTA»fliquid = -577.22 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
277.8298.15Verevkin, Beckhaus, et al., 1992DH
251.3298.15Nilsson and Wadso, 1986DH

References

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

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 5«alpha». Standardbildungsenthalpien von alkylsubstituierten Malonsaure- und «alpha»-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]

Nilsson and Wadso, 1986
Nilsson, S.-O.; Wadso, I., Thermodynamic properties of some mono-, di-, and tri esters. Enthalpies of solution in water at 288.15 to 318.15 K and enthalpies of vaporization and heat capacities at 298.15 K, J. Chem. Thermodyn., 1986, 18, 673-681. [all data]


Notes

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