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Phase change 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:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos
DRB - Donald R. Burgess, Jr.
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Quantity Value Units Method Reference Comment
Tfus370.KN/AChickos, Hesse, et al., 1990Uncertainty assigned by TRC = 0.3 K; TRC
Quantity Value Units Method Reference Comment
Δsub94.3kJ/molCGC-DSCChickos, Hesse, et al., 1998AC
Δsub166.1kJ/molN/AFrisch, Bautista, et al., 1964DRB

Antoine Equation Parameters

log10(P) = A − (B / (T + C))
    P = vapor pressure (bar)
    T = temperature (K)

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Temperature (K) A B C Reference Comment
317.09 to 332.393.85915686.983-233.124Frisch, Bautista, et al., 1964Coefficents calculated by NIST from author's data.

Enthalpy of sublimation

ΔsubH (kJ/mol) Temperature (K) Method Reference Comment
87.6 ± 1.0338.HSAChickos, Hesse, et al., 1998Based on data from 315. to 364. K.; AC
166.0 ± 3.2355.VFrisch, Bautista, et al., 1964see Frisch, 1962; ALS
166.0 ± 3.2325.MEFrisch, Bautista, et al., 1964Based on data from 317. to 332. K. See also Cox and Pilcher, 1970.; AC

Enthalpy of fusion

ΔfusH (kJ/mol) Temperature (K) Reference Comment
22.6370.Augdahl, Borgen, et al., 1974AC

In addition to the Thermodynamics Research Center (TRC) data available from this site, much more physical and chemical property data is available from the following TRC products:


Go To: Top, Phase change data, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Chickos, Hesse, et al., 1990
Chickos, J.S.; Hesse, D.G.; Liebman, J.F., Estimating entropies and enthalpies of fusion of hydrocarbons, J. Org. Chem., 1990, 55, 3833-40. [all data]

Chickos, Hesse, et al., 1998
Chickos, James; Hesse, Donald; Hosseini, Sarah; Nichols, Gary; Webb, Paul, Sublimation enthalpies at 298.15K using correlation gas chromatography and differential scanning calorimetry measurements, Thermochimica Acta, 1998, 313, 2, 101-110, https://doi.org/10.1016/S0040-6031(97)00432-2 . [all data]

Frisch, Bautista, et al., 1964
Frisch, M.A.; Bautista, R.G.; Margrave, J.L.; Parsons, C.G.; Wotiz, J.H., Strain energies in hydrocarbons from heats of combustion. II. Concerning the possibility of a transannular interaction in 1,8-cyclotetradecadiyne, J. Am. Chem. Soc., 1964, 86, 335-336. [all data]

Frisch, 1962
Frisch, M.A., A high precision calorimeter for ther measurement of small energy differences, Ph.D. Thesis for University of Wisconsin, 1962, 1-100. [all data]

Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G., Thermochemistry of Organic and Organometallic Compounds, Academic Press Inc., London, 1970, 643. [all data]

Augdahl, Borgen, et al., 1974
Augdahl, Else; Borgen, Gerd; Dale, Johannes; Krane, Jostein; Taticchi, A.; Mannervik, Bengt, The Conformations of Cyclotetradeca-1,8-diyne., Acta Chem. Scand., 1974, 28b, 125-129, https://doi.org/10.3891/acta.chem.scand.28b-0125 . [all data]


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