Data at NIST subscription sites:

NIST subscription sites provide data under the NIST Standard Reference Data Program, but require an annual fee to access. The purpose of the fee is to recover costs associated with the development of data collections included in such sites. Your institution may already be a subscriber. Follow the links above to find out more about the data in these sites and their terms of usage.

Condensed phase thermochemistry data

Go To: Top, 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
Δfliquid-198.7 ± 0.67kJ/molCcbGood and Smith, 1969ALS
Δfliquid-198.8 ± 0.79kJ/molCcbProsen and Rossini, 1945ALS
Quantity Value Units Method Reference Comment
Δcliquid-4163. ± 20.kJ/molAVGN/AAverage of 6 values; Individual data points
Quantity Value Units Method Reference Comment
liquid296.06J/mol*KN/ADouslin and Huffman, 1946DH
liquid289.5J/mol*KN/AStull, 1937Extrapolation below 91 K, 54.68 J/mol*K.; DH
liquid295.4J/mol*KN/AHuffman, Parks, et al., 1931Extrapolation below 90 K, 64.02 J/mol*K.; DH
liquid297.5J/mol*KN/AParks, Huffman, et al., 1930Extrapolation below 90 K, 65.44 J/mol*K.; DH

Constant pressure heat capacity of liquid

Cp,liquid (J/mol*K) Temperature (K) Reference Comment
265.2298.15Pruzan, 1991DH
195.52298.15Ohnishi, Fujihara, et al., 1989DH
197.66298.15Andreoli-Ball, Patterson, et al., 1988DH
197.66298.15Perez-Casas, Aicart, et al., 1988DH
195.64298.15Saito and Tanaka, 1988DH
195.84298.15Benson and D'Arcy, 1986DH
203.0308.35Naziev, Bashirov, et al., 1986T = 308.35, 333.15. p = 0.1 MPa. Unsmoothed experimental datum given as 2.356 kJ/kg*K.; DH
197.66298.15Tardajos, Aicart, et al., 1986DH
194.96298.15Costas and Patterson, 1985T = 283.15, 298.15, 313.15 K.; DH
195.80298.15Benson, D'Arcy, et al., 1984DH
195.33298.15Bravo, Pintos, et al., 1984DH
196.1297.32Grigor'ev and Andolenko, 1984T = 293 to 324 K. Unsmoothed experimental datum given as 2.276 kJ/kg*K.; DH
195.80298.15Aicart, Kumaran, et al., 1983DH
195.80298.15Benson, D'Arcy, et al., 1983DH
195.33298.15Wilhelm, Inglese, et al., 1982DH
195.1298.Zaripov, 1982T = 298, 323 K.; DH
195.76298.15Grolier, Inglese, et al., 1981DH
195.64297.316Kalinowska, Jedlinska, et al., 1980T = 185 to 300 K. Unsmoothed experimental datum.; DH
184.2300.Czarnota, 1979DH
196.2298.Grigor'ev, Rastorguev, et al., 1975T = 300 to 463 K.; DH
198.5298.15Diaz pena and Renuncio, 1974T = 298 to 325 K.; DH
196.10299.8Connolly, Sage, et al., 1951T = 80 to 200°F.; DH
194.97298.15Douslin and Huffman, 1946T = 13 to 300 K.; DH
186.2300.7Phillip, 1939DH
189.1298.1Stull, 1937T = 90 to 320 K. Hump about 262 K with abnormal curve to 320 K.; DH
193.3293.5Huffman, Parks, et al., 1931T = 140 to 294 K. Value is unsmoothed experimental datum.; DH
191.6295.1Parks, Huffman, et al., 1930T = 90 to 295 K. Value is unsmoothed experimental datum.; DH
194.1298.von Reis, 1881T = 290 to 363 K.; DH


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.

Good and Smith, 1969
Good, W.D.; Smith, N.K., Enthalpies of combustion of toluene, benzene, cyclohexane, cyclohexene, methylcyclopentane, 1-methylcyclopentene, and n-hexane, J. Chem. Eng. Data, 1969, 14, 102-106. [all data]

Prosen and Rossini, 1945
Prosen, E.J.; Rossini, F.D., Heats of combustion and formation of the paraffin hydrocarbons at 25° C, J. Res. NBS, 1945, 263-267. [all data]

Douslin and Huffman, 1946
Douslin, D.R.; Huffman, H.M., Low-temperature thermal data on the five isometric hexanes, J. Am. Chem. Soc., 1946, 68, 1704-1708. [all data]

Stull, 1937
Stull, D.R., A semi-micro calorimeter for measuring heat capacities at low temperatures, J. Am. Chem. Soc., 1937, 59, 2726-2733. [all data]

Huffman, Parks, et al., 1931
Huffman, H.M.; Parks, G.S.; Barmore, M., Thermal data on organic compounds. X. Further studies on the heat capacities, entropies and free energies of hydrocarbons, J. Am. Chem. Soc., 1931, 53, 3876-3888. [all data]

Parks, Huffman, et al., 1930
Parks, G.S.; Huffman, H.M.; Thomas, S.B., Thermal data on organic compounds. VI. The heat capacities, entropies and free energies of some saturated, non-benzenoid hydrocarbons, J. Am. Chem. Soc., 1930, 52, 1032-1041. [all data]

Pruzan, 1991
Pruzan, P., Thermophysical properties of liquid n-hexane at temperatures from 243 K to 473 K and at pressures to 500 MPa, J. Chem. Thermodynam., 1991, 23, 247-259. [all data]

Ohnishi, Fujihara, et al., 1989
Ohnishi, K.; Fujihara, I.; Murakami, S., Thermodynamic properties of decalins mixed with hexane isomers at 298.15K. 1. Excess enthalpies and excess isobaric heat capacities, Fluid Phase Equilib., 1989, 46, 59-72. [all data]

Andreoli-Ball, Patterson, et al., 1988
Andreoli-Ball, L.; Patterson, D.; Costas, M.; Caceres-Alonso, M., Heat capacity and corresponding states in alkan-1-ol-n-alkane systems, J. Chem. Soc., Faraday Trans. 1, 1988, 84(11), 3991-4012. [all data]

Perez-Casas, Aicart, et al., 1988
Perez-Casas, S.; Aicart, E.; Trojo, L.M.; Costas, M., Excess heat capacity. Chlorobenzene-2,2,4,4,6,8,8-heptamethylnonane, Int. Data Ser., Sel. Data Mixtures, 1988, (2)A, 123. [all data]

Saito and Tanaka, 1988
Saito, A.; Tanaka, R., Excess volumes and heat capacities of binary mixtures formed from cyclohexane, hexane and heptane at 298.15 K, J. Chem. Thermodynam., 1988, 20, 859-865. [all data]

Benson and D'Arcy, 1986
Benson, G.C.; D'Arcy, P.J., Heat capacities of binary mixtures of n-octane with each of the hexane isomers at 298.15 K, Can. J. Chem., 1986, 64, 2139-2141. [all data]

Naziev, Bashirov, et al., 1986
Naziev, Ya.M.; Bashirov, M.M.; Badalov, Yu.A., Experimental study of isobaric specific heat of higher alcohols at high pressures, Inzh.-Fiz. Zhur., 1986, 51, 998-1004. [all data]

Tardajos, Aicart, et al., 1986
Tardajos, G.; Aicart, E.; Costas, M.; Patterson, D., Liquid structure and second-order mixing functions for benzene, toluene, and p-xylene with n-alkanes, J. Chem. Soc., Faraday Trans., 1986, 1 82, 2977-2987. [all data]

Costas and Patterson, 1985
Costas, M.; Patterson, D., Self-association of alcohols in inert solvents, J. Chem. Soc., Faraday Trans. 1, 1985, 81, 635-654. [all data]

Benson, D'Arcy, et al., 1984
Benson, G.C.; D'Arcy, P.J.; Kumaran, M.K., Heat capacities of binary mixtures of n-heptane with hexane isomers, Thermochim. Acta, 1984, 75, 353-360. [all data]

Bravo, Pintos, et al., 1984
Bravo, R.; Pintos, M.; Baluja, M.C.; Paz Andrade, M.I.; Roux-Desgranges, G.; Grolier, J.-P.E., Excess volumes excess heat capacities of some mixtures: (an isomer of hexanol + an n-alkane) at 298.15 K, J. Chem. Thermodynam., 1984, 16, 73-79. [all data]

Grigor'ev and Andolenko, 1984
Grigor'ev, B.A.; Andolenko, R.A., Investigation of the isobaric heat capacity of n-paraffinic hydrocarbons at atmospheric pressure, Izv. Vyssh. Ucheb. Zaved., Neft i Gaz, 1984, (2), 60-62. [all data]

Aicart, Kumaran, et al., 1983
Aicart, E.; Kumaran, M.K.; Halpin, C.J.; Benson, G.C., Ultrasonic speeds and isentropic compressibilities of 2-methylpentan-1-ol with hexane isomers at 298.15 K, J. Chem. Thermodynam., 1983, 15, 1189-1197. [all data]

Benson, D'Arcy, et al., 1983
Benson, G.C.; D'Arcy, P.J.; Sugamori, M.E., Heat capacities of binary mixtures of 1-hexanol with hexane isomers at 298.15 K, Thermochim. Acta, 1983, 71, 161-166. [all data]

Wilhelm, Inglese, et al., 1982
Wilhelm, E.; Inglese, A.; Quint, J.R.; Grolier, J.-P.E., Molar excess volumes and excess heat capacities of (1,2,4-trichlorobenzene + an alkane), J. Chem. Thermodynam., 1982, 14, 303-308. [all data]

Zaripov, 1982
Zaripov, Z.I., Experimental study of the isobaric heat capacity of liquid organic compounds with molecular weights of up to 4000 a.e.m., 1982, Teplomassoobmen Teplofiz. [all data]

Grolier, Inglese, et al., 1981
Grolier, J.P.E.; Inglese, A.; Roux, A.H.; Wilhelm, E., Thermodynamics of (1-chloronaphthalene + n-alkane): excess enthalpies, excess volumes and excess heat capacities, Ber. Bunsenges. Phys. Chem., 1981, 85, 768-772. [all data]

Kalinowska, Jedlinska, et al., 1980
Kalinowska, B.; Jedlinska, J.; Woycicki, W.; Stecki, J., Heat capacities of liquids at temperatures between 90 and 300 K and at atmospheric pressure. I. Method and apparatus, and the heat capacities of n-heptane, n-hexane, and n-propanol, J. Chem. Thermodynam., 1980, 12, 891-896. [all data]

Czarnota, 1979
Czarnota, I., Calorimetric system for measurement of specific heat capacity of liquids, Cp, at high pressures, Bull. Acad. Pol. Sci., Ser. Sci. Chim., 1979, 10, 763-772. [all data]

Grigor'ev, Rastorguev, et al., 1975
Grigor'ev, B.A.; Rastorguev, Yu.L.; Yanin, G.S., Experimental determination of the isobaric specific heat of n-alkanes, Iz. Vyssh. Uchebn. Zaved. Neft Gaz 18, 1975, No.10, 63-66. [all data]

Diaz pena and Renuncio, 1974
Diaz pena, M.D.; Renuncio, J.A.R., Construccion de un calorimetro adiabatico. Capacidad calorifica de mezclas n-hexano + n-hexadecano, An. Quim., 1974, 70, 113-120. [all data]

Connolly, Sage, et al., 1951
Connolly, T.J.; Sage, B.H.; Lacey, W.N., Isobaric heat capacities at bubble point. n-Hexane, methylcyclopentane, and n-octane, Ind. Eng. Chem., 1951, 43, 946-950. [all data]

Phillip, 1939
Phillip, N.M., Adiabatic and isothermal compressibilities of liquids, Proc. Indian Acad. Sci., 1939, A9, 109-120. [all data]

von Reis, 1881
von Reis, M.A., Die specifische Wärme flüssiger organischer Verbindungen und ihre Beziehung zu deren Moleculargewicht, Ann. Physik [3], 1881, 13, 447-464. [all data]


Go To: Top, Condensed phase thermochemistry data, References