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Leucine

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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
Deltafliquid-648.9 ± 2.0kJ/molCcbWu, Zhu, et al., 1993ALS
Quantity Value Units Method Reference Comment
Deltafsolid-646.8kJ/molCcbHutchens, Cole, et al., 1963Heat of combustion is not reported; ALS
Deltafsolid-637.39 ± 0.92kJ/molCcbHuffman, Fox, et al., 1937Reanalyzed by Pedley, Naylor, et al., 1986, Original value = -642.20 kJ/mol; ALS
Quantity Value Units Method Reference Comment
Deltacsolid-3572.0 ± 0.3kJ/molCcbTsuzuki and Hunt, 1957Reanalyzed by Cox and Pilcher, 1970, Original value = -3569.3 ± 0.3 kJ/mol; ALS
Deltacsolid-3581.5 ± 0.84kJ/molCcbHuffman, Fox, et al., 1937Reanalyzed by Pedley, Naylor, et al., 1986, Original value = -3581.4 ± 0.84 kJ/mol; ALS
Deltacsolid-3596.kJ/molCcbFischer and Wrede, 1904Heat of combustion corrected for pressure; ALS
Deltacsolid-3600.4kJ/molCcbLemoult, 1904ALS
Quantity Value Units Method Reference Comment
solid,1 bar211.79J/mol*KN/AHutchens, Cole, et al., 1963DH

Constant pressure heat capacity of solid

Cp,solid (J/mol*K) Temperature (K) Reference Comment
191.298.Badelin, Kulikov, et al., 1990T = 298, 313, 333, 348 K.; DH
190.6298.Kulikov, Kozlov, et al., 1989T = 298 to 348 K.; DH
201.4298.15Spink and Wads, 1975DH
200.96298.15Hutchens, Cole, et al., 1963T = 11 to 310 K.; DH

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.

Wu, Zhu, et al., 1993
Wu, D.; Zhu, Y.; Gao, Z.; Qu, S., Determination of combustion heat of some amino acids, Wuhan Daxue Xuebao Ziran Kexueban, 1993, 78-82. [all data]

Hutchens, Cole, et al., 1963
Hutchens, J.O.; Cole, A.G.; Stout, J.W., Heat capacities from 11 to 305°K., entropies, and free energies of formation of L-valine, L-isoleucine, and L-leucine, J. Phys. Chem., 1963, 67, 1128-1130. [all data]

Huffman, Fox, et al., 1937
Huffman, H.M.; Fox, S.W.; Ellis, E.L., Thermal data. VII. The heats of combustion of seven amino acids, J. Am. Chem. Soc., 1937, 59, 2144-21. [all data]

Pedley, Naylor, et al., 1986
Pedley, J.B.; Naylor, R.D.; Kirby, S.P., Thermochemical Data of Organic Compounds, Chapman and Hall, New York, 1986, 1-792. [all data]

Tsuzuki and Hunt, 1957
Tsuzuki, T.; Hunt, H., Heats of combustion. VI. The heats of combustion of some amino acids, J. Phys. Chem., 1957, 61, 1668. [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]

Fischer and Wrede, 1904
Fischer, E.; Wrede, F., Uber die Verbrennungswarme einiger organischer Verbindungen, Sitzungsber. Dtsch. Akad. Wiss. Berlin Kl. Math. Phys. Tech., 1904, 687-715. [all data]

Lemoult, 1904
Lemoult, M.P., Remarques sur une serie recenie de determinations calorimetriques, Compt. Rend., 1904, 663-635. [all data]

Badelin, Kulikov, et al., 1990
Badelin, V.G.; Kulikov, O.V.; Batagin, V.S.; Udzig, E.; Zielenkiewicz, A.; Zielenkiewicz, W.; Krestov, G.A., Physico-chemical properties of peptides and their solutions, Thermochim. Acta, 1990, 169, 81-93. [all data]

Kulikov, Kozlov, et al., 1989
Kulikov, O.V.; Kozlov, V.A.; Malenkina, L.I.; Badelin, V.G., Heat capacities of amino acids and peptides and excess characteristics ot their aqueous solutions, Sbornik Nauch. Trud., Termodin. Rast. neelect., Ivanovo, Inst. nevod. rast., 1989, Akad. [all data]

Spink and Wads, 1975
Spink, C.H.; Wads, I., Thermochemistry of solutions of biochemical model compounds. 4. The partial molar heat capacities of some amino acids in aqueous solution, J. Chem. Thermodynam., 1975, 7, 561-572. [all data]


Notes

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