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Cystine

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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
Deltafsolid-1105.kJ/molCcbBecker and Roth, 1934hf_H2SO4.10,000H2O=-900.752 kJ/mol; ALS
Quantity Value Units Method Reference Comment
Deltacsolid-4248.0 ± 3.8kJ/molCcrSunner, 1946Reanalyzed by Cox and Pilcher, 1970, Original value = -4269.23 kJ/mol; ALS
Deltacsolid-4230.0 ± 3.8kJ/molCcbHuffman and Ellis, 1935Reanalyzed by Cox and Pilcher, 1970, Original value = -4168.9 ± 3.8 kJ/mol; ALS
Deltacsolid-4201.2kJ/molCcbBecker and Roth, 1934hf_H2SO4.10,000H2O=-900.752 kJ/mol; ALS
Deltacsolid-4158.2kJ/molCcbEmery and Benedict, 1911ALS
Quantity Value Units Method Reference Comment
solid,1 bar280.58J/mol*KN/AHutchens, Cole, et al., 1964DH
solid,1 bar286.6J/mol*KN/AHuffman and Ellis, 1935, 2Extrapolation below 90 K, 79.45 J/mol*K.; DH

Constant pressure heat capacity of solid

Cp,solid (J/mol*K) Temperature (K) Reference Comment
261.92298.15Hutchens, Cole, et al., 1964T = 10 to 310 K.; DH
268.6297.3Huffman and Ellis, 1935, 2T = 85 to 298 K. Value is unsmoothed experimental datum.; DH

References

Go To: Top, 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.

Becker and Roth, 1934
Becker, G.; Roth, W.A., Zur bestimmung der verbrennungswarme von organischen schwefelverbindunge, Z. Phys. Chem., 1934, 169, 287-296. [all data]

Sunner, 1946
Sunner, S., Determination of combustion heats of organo-sulphur compounds, Svensk. Kim. Tidr., 1946, 58, 71-81. [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]

Huffman and Ellis, 1935
Huffman, H.M.; Ellis, E.L., Thermal Data. II. The heats of combustion of l-cysteine, of l-cystine, «beta»-thiolactic acid and «beta»,«beta»'-dithiodilactic acid, J. Am. Chem. Soc., 1935, 57, 41-46. [all data]

Emery and Benedict, 1911
Emery, A.G.; Benedict, F.G., The heat of combustion of compounds of physiological importance, Am. J. Physiol., 1911, 28, 301-307. [all data]

Hutchens, Cole, et al., 1964
Hutchens, J.O.; Cole, A.G.; Stout, J.W., Heat capacities and entropies of L-cystine and L-methionine. The transition of L-methionine near 305.5 K, J. Biol. Chem., 1964, 239, 591-595. [all data]

Huffman and Ellis, 1935, 2
Huffman, H.M.; Ellis, E.L., Thermal data. III. The heat capacities, entropies and free energies of four organic compounds containing sulfur, J. Am. Chem. Soc., 1935, 57, 46-48. [all data]


Notes

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