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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
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Ttriple385.KN/AClegg and Melia, 1969Uncertainty assigned by TRC = 2. K; TRC
Quantity Value Units Method Reference Comment
Deltasub79.6 ± 0.2kJ/molCPedley and Rylance, 1977See also Mansson, Morawetz, et al., 1969.; AC
Deltasub79.6 ± 0.2kJ/molCMansson, Morawetz, et al., 1969ALS
Deltasub79.6kJ/molN/AMansson, Morawetz, et al., 1969DRB

Enthalpy of fusion

DeltafusH (kJ/mol) Temperature (K) Reference Comment
22.59385.Domalski and Hearing, 1996AC
22.600385.Clegg and Melia, 1969DH

Entropy of fusion

DeltafusS (J/mol*K) Temperature (K) Reference Comment
58.7385.Clegg and Melia, 1969DH

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.

Clegg and Melia, 1969
Clegg, G.A.; Melia, T.P., Thermodynamics of polymerization of heterocyclic compounds. Part III. The heat capacity, entropy, enthalpy and free energy of tetroxan, Makromol. Chem., 1969, 123, 184-193. [all data]

Pedley and Rylance, 1977
Pedley, J.B.; Rylance, J., , Computer Analysed Thermochemical Data: Organic and Organometallic Compounds, University of Sussex, Brighton, 1977. [all data]

Mansson, Morawetz, et al., 1969
Mansson, M.; Morawetz, E.; Nakase, Y.; Sunner, S., The enthalpies of formation of trioxane and tetroxane, Acta Chem. Scand., 1969, 23, 56-60. [all data]

Domalski and Hearing, 1996
Domalski, Eugene S.; Hearing, Elizabeth D., Heat Capacities and Entropies of Organic Compounds in the Condensed Phase. Volume III, J. Phys. Chem. Ref. Data, 1996, 25, 1, 1, https://doi.org/10.1063/1.555985 . [all data]


Go To: Top, Phase change data, References