n-Decanoic acid

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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: Donald R. Burgess, Jr.

Quantity Value Units Method Reference Comment
Δfgas-149.2 ± 1.2kcal/molN/AAdriaanse, Dekker, et al., 1965Value computed using ΔfHliquid° value of -713.7±0.9 kj/mol from Adriaanse, Dekker, et al., 1965 and ΔvapH° value of 89.5±5.0 kj/mol from n-alkanoic correlation.

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
Δcliquid-1453.0 ± 0.2kcal/molCcbAdriaanse, Dekker, et al., 1965Hfusion=29.4 kJ/mol; Corresponding Δfliquid = -170.7 kcal/mol (simple calculation by NIST; no Washburn corrections); ALS

Constant pressure heat capacity of solid

Cp,solid (cal/mol*K) Temperature (K) Reference Comment
113.67298.15Schaake, van Miltenburg, et al., 1982T = 80 to 345 K.; DH
86.30285.Garner and Randall, 1924T = 0 to 65°C. Mean value 0 to 24°C.; 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: John E. Bartmess

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

C10H19O2- + Hydrogen cation = n-Decanoic acid

By formula: C10H19O2- + H+ = C10H20O2

Quantity Value Units Method Reference Comment
Δr338.8 ± 2.0kcal/molTDEqNorrman and McMahon, 1999gas phase; Folded form; dSacid = 7.2 eu
Δr346.1 ± 2.0kcal/molTDEqNorrman and McMahon, 1999gas phase; Unfolded form
Quantity Value Units Method Reference Comment
Δr336.7 ± 2.1kcal/molH-TSNorrman and McMahon, 1999gas phase; Folded form; dSacid = 7.2 eu
Δr338.8 ± 2.1kcal/molH-TSNorrman and McMahon, 1999gas phase; Unfolded form

References

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

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]

Schaake, van Miltenburg, et al., 1982
Schaake, R.C.F.; van Miltenburg, J.C.; De Kruif, C.G., Thermodynamic properties of the normal alkanoic acids. II. Molar heat capacities of seven even-numbered normal alkanoic acids, J. Chem. Thermodynam., 1982, 14, 771-778. [all data]

Garner and Randall, 1924
Garner, W.E.; Randall, F.C., Alternation in the heats of crystallization of the normal monobasic fatty acids. Part I., J. Chem. Soc., 1924, 125, 881-896. [all data]

Norrman and McMahon, 1999
Norrman, K.; McMahon, T.B., Intramolecular solvation of carboxylate anions in the gas phase, J. Phys. Chem. A, 1999, 103, 35, 7008-7016, https://doi.org/10.1021/jp9908202 . [all data]


Notes

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