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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

Quantity Value Units Method Reference Comment
Tfus373.8KN/ADavies, Jones, et al., 1959Uncertainty assigned by TRC = 1. K; TRC
Quantity Value Units Method Reference Comment
Δsub85. ± 4.0kJ/molTEBrunetti, Gatta, et al., 2000Based on data from 301. to 371. K.; AC
Δsub98.7 ± 1.7kJ/molN/ALebedeva and Katin, 1973Based on data from 293. to 303. K. See also Pedley and Rylance, 1977.; AC
Δsub95.1 ± 0.4kJ/molVDavies, Jones, et al., 1959ALS

Enthalpy of sublimation

ΔsubH (kJ/mol) Temperature (K) Method Reference Comment
99. ± 2.293.VLebedeva and Katin, 1973, 2Hfusion=6.0±0.3; ALS
95. ± 4.353.GSDavies, Jones, et al., 1959Based on data from 338. to 368. K. See also Cox and Pilcher, 1970 and Stephenson and Malanowski, 1987.; AC

Enthalpy of fusion

ΔfusH (kJ/mol) Temperature (K) Method Reference Comment
16.7373.DSCAbate, Badea, et al., 2008AC
25.1374.N/ALebedeva and Katin, 1973AC

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.

Davies, Jones, et al., 1959
Davies, M.; Jones, A.H.; Thomas, G.H., The lattice energies of the straight-chain primary amides, Trans. Faraday Soc., 1959, 55, 1100. [all data]

Brunetti, Gatta, et al., 2000
Brunetti, Bruno; Gatta, Giuseppe Della; Piacente, Vincenzo, Enthalpies and Entropies of Sublimation of Some Primary Alkylamides, J. Chem. Eng. Data, 2000, 45, 2, 237-241, https://doi.org/10.1021/je9902701 . [all data]

Lebedeva and Katin, 1973
Lebedeva, N.D.; Katin, Y.A., Russ. J. Appl. Chem., 1973, 46, 2131. [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]

Lebedeva and Katin, 1973, 2
Lebedeva, N.D.; Katin, Yu.A., Enthalpies of formation of monocarboxylic acid amides, J. Appl. Chem. USSR (Engl. Transl.), 1973, 46, 2131-21. [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]

Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw, Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2 . [all data]

Abate, Badea, et al., 2008
Abate, Lorenzo; Badea, Elena; Blanco, Ignazio; Della Gatta, Giuseppe, Heat Capacities and Enthalpies of Solid-Solid Transitions and Fusion of a Series of Eleven Primary Alkylamides by Differential Scanning Calorimetry, J. Chem. Eng. Data, 2008, 53, 4, 959-965, https://doi.org/10.1021/je700662a . [all data]


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