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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
Δfliquid-25.23 ± 0.42kcal/molCcbSpitzer and Huffman, 1947ALS
Δfliquid-25.31 ± 0.18kcal/molCcbProsen, Johnson, et al., 1946ALS
Quantity Value Units Method Reference Comment
Δcliquid-786.7 ± 0.1kcal/molCcbKaarsemaker and Coops, 1952Corresponding Δfliquid = -25.17 kcal/mol (simple calculation by NIST; no Washburn corrections); ALS
Δcliquid-786.62 ± 0.30kcal/molCcbSpitzer and Huffman, 1947Corresponding Δfliquid = -25.21 kcal/mol (simple calculation by NIST; no Washburn corrections); ALS
Δcliquid-786.54 ± 0.17kcal/molCcbProsen, Johnson, et al., 1946Corresponding Δfliquid = -25.29 kcal/mol (simple calculation by NIST; no Washburn corrections); ALS
Quantity Value Units Method Reference Comment
liquid48.791cal/mol*KN/ADouslin and Huffman, 1946DH
liquid48.870cal/mol*KN/AAston, Fink, et al., 1943DH
liquid49.40cal/mol*KN/AJacobs and Parks, 1934Extrapolation below 90 K, 53.09 J/mol*K.; DH

Constant pressure heat capacity of liquid

Cp,liquid (cal/mol*K) Temperature (K) Reference Comment
30.292298.15Tanaka, 1985DH
30.155293.15Siddiqi, Svejda, et al., 1983DH
30.3234298.15Fortier, D'Arcy, et al., 1979DH
30.421298.15Jolicoeur, Boileau, et al., 1975DH
30.459300.Szasz, Morrison, et al., 1947T = 14 to 300 K.; DH
30.301298.15Douslin and Huffman, 1946T = 12 to 300 K.; DH
30.791298.15Aston, Fink, et al., 1943T = 15 to 300 K.; DH
30.091293.7Jacobs and Parks, 1934T = 93 to 294 K. Value is unsmoothed experimental datum.; 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.

Spitzer and Huffman, 1947
Spitzer, R.; Huffman, H.M., The heats of combustion of cyclopentane, cyclohexane, cycloheptane and cyclooctane, J. Am. Chem. Soc., 1947, 69, 211-213. [all data]

Prosen, Johnson, et al., 1946
Prosen, E.J.; Johnson, W.H.; Rossini, F.D., Heats of formation and combustion of the normal alkylcyclopentanes and cyclohexanes and the increment per CH2 group for several homologous series of hydrocarbons, J. Res. NBS, 1946, 37, 51-56. [all data]

Kaarsemaker and Coops, 1952
Kaarsemaker, S.; Coops, J., Thermal quantities of some cycloparaffins. Part III. Results of measurements, Rec. Trav. Chim. Pays/Bas, 1952, 71, 261. [all data]

Douslin and Huffman, 1946
Douslin, D.R.; Huffman, H.M., The heat capacities, heats of transition, heats of fusion and entropies of cyclopentane, methylcyclopentane and methylcylohexane, J. Am. Chem. Soc., 1946, 68, 173-176. [all data]

Aston, Fink, et al., 1943
Aston, J.G.; Fink, H.L.; Schumann, S.C., The heat capacity and entropy, heats of transition, fusion and vaporization and the vapor pressures of cyclopentane. Evidence for a non-planar structure, J. Am. Chem. Soc., 1943, 65, 341-346. [all data]

Jacobs and Parks, 1934
Jacobs, C.J.; Parks, G.S., Thermal data on organic compounds. XIV. Some heat capacity, entropy and free energy data for cyclic substances, J. Am. Chem. Soc., 1934, 56, 1513-1517. [all data]

Tanaka, 1985
Tanaka, R., Excess heat capacities for mixtures of benzene with cyclopentane, methylcyclohexane, and cyclooctane at 298.15 K, J. Chem. Eng. Data, 1985, 30, 267-269. [all data]

Siddiqi, Svejda, et al., 1983
Siddiqi, M.A.; Svejda, P.; Kohler, F., A generalized van der Waals equation of state II. Excess heat capacities of mixtures containing cycloalkanes (C5,C6), methylcycloalkanes (C5,C6) and n-decane, Ber. Bunsenges. Phys. Chem., 1983, 87, 1176-1181. [all data]

Fortier, D'Arcy, et al., 1979
Fortier, J.-L.; D'Arcy, P.J.; Benson, G.C., Heat capacities of binary cycloalkane mixtures at 298.15 K, Thermochim. Acta, 1979, 28, 37-43. [all data]

Jolicoeur, Boileau, et al., 1975
Jolicoeur, C.; Boileau, J.; Bazinet, S.; Picker, P., Thermodynamic properties of aqueous organic solutes in relation to their structure. Part II. Apparent molal volumes and heat capacities of c-alkylamine hydrobromides in water, Can. J. Chem., 1975, 53, 716-722. [all data]

Szasz, Morrison, et al., 1947
Szasz, G.J.; Morrison, J.A.; Pace, E.L.; Aston, J.G., Thermal properties of cyclopentane and its use as a standard substance in low temperature thermal measurements, J. Chem. Phys., 1947, 15, 562-564. [all data]


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