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Acetamide

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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:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Kenneth Kroenlein director
AC - William E. Acree, Jr., James S. Chickos
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
Tboil494.4 ± 0.5KAVGN/AAverage of 6 values; Individual data points
Quantity Value Units Method Reference Comment
Tfus352. ± 9.KAVGN/AAverage of 6 values; Individual data points
Quantity Value Units Method Reference Comment
Ttriple353.33KN/ADe Wit, De Kruif, et al., 1983Uncertainty assigned by TRC = 0.02 K; TRC
Quantity Value Units Method Reference Comment
Deltasub77.2kJ/molN/ADe Wit, Van Miltenburg, et al., 1983AC
Deltasub78.66 ± 0.33kJ/molVBarnes and Pilcher, 1975ALS
Deltasub80. ± 1.kJ/molN/AMorawetz, 1971AC
Deltasub80.3 ± 1.3kJ/molCWadsö, Borgen, et al., 1965AC
Deltasub80. ± 1.kJ/molCWadso, 1965ALS

Reduced pressure boiling point

Tboil (K) Pressure (bar) Reference Comment
365.0.007Buckingham and Donaghy, 1982BS

Enthalpy of vaporization

DeltavapH (kJ/mol) Temperature (K) Method Reference Comment
63.8396.AStephenson and Malanowski, 1987Based on data from 381. - 492. K.; AC
60.9353.N/AStull, 1947Based on data from 338. - 495. K.; AC

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
338. - 495.5.37112413.323-45.444Stull, 1947Coefficents calculated by NIST from author's data.

Enthalpy of sublimation

DeltasubH (kJ/mol) Temperature (K) Method Reference Comment
77.8284.TE,MEDe Wit, Van Miltenburg, et al., 1983Based on data from 273. - 293. K.; AC
77.4 ± 0.4323.GSDavies, Jones, et al., 1959Based on data from 298. - 349. K. See also Stephenson and Malanowski, 1987.; AC

Enthalpy of fusion

DeltafusH (kJ/mol) Temperature (K) Reference Comment
15.500354.05Nikolic, Tripkovic, et al., 1989DH
12.522 - 12.877342.15Emons, Naumann, et al., 1986DH
15.606353.5Emons, Naumann, et al., 1986DH
15.590353.33DeWit, DeKruif, et al., 1983DH
15.6353.Domalski and Hearing, 1996AC

Entropy of fusion

DeltafusS (J/mol*K) Temperature (K) Reference Comment
36.6 - 37.6342.15Emons, Naumann, et al., 1986DH
44.15353.5Emons, Naumann, et al., 1986DH
44.1353.33DeWit, DeKruif, et al., 1983DH

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:


References

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.

De Wit, De Kruif, et al., 1983
De Wit, H.G.M.; De Kruif, C.G.; Van Miltenburg, J.C., Thermodynamic properties of molecular organic crystals containing nitrogen, oxygen, and sulfur II. Molar heat capacities of eight compounds by adiabatic calorimetry, J. Chem. Thermodyn., 1983, 15, 9, 891, https://doi.org/10.1016/0021-9614(83)90095-2 . [all data]

De Wit, Van Miltenburg, et al., 1983
De Wit, H.G.M.; Van Miltenburg, J.C.; De Kruif, C.G., Thermodynamic properties of molecular organic crystals containing nitrogen, oxygen, and sulphur 1. Vapour pressures and enthalpies of sublimation, The Journal of Chemical Thermodynamics, 1983, 15, 7, 651-663, https://doi.org/10.1016/0021-9614(83)90079-4 . [all data]

Barnes and Pilcher, 1975
Barnes, D.S.; Pilcher, G., Enthalpies of combustion of ethanamide, propanamide, and butanamide, J. Chem. Thermodyn., 1975, 7, 377-382. [all data]

Morawetz, 1971
Morawetz, E., , Ph.D. Dissertation, University of Lund, 1971. [all data]

Wadsö, Borgen, et al., 1965
Wadsö, Ingemar; Borgen, Gerd L.; Sørensen, Georg Ole; Olsen, Gert; Jansen, Gert, Thermochemical Properties of Diacetamide, N-Butyldiacetamide and N-Phenyldiacetamide., Acta Chem. Scand., 1965, 19, 1079-1087, https://doi.org/10.3891/acta.chem.scand.19-1079 . [all data]

Wadso, 1965
Wadso, I., Thermochemical properties of diacetimide, N-butyldiacetimide and N-phenyldiacetimide, Acta Chem. Scand., 1965, 19, 1079-1087. [all data]

Buckingham and Donaghy, 1982
Buckingham, J.; Donaghy, S.M., Dictionary of Organic Compounds: Fifth Edition, Chapman and Hall, New York, 1982, 1. [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]

Stull, 1947
Stull, Daniel R., Vapor Pressure of Pure Substances. Organic and Inorganic Compounds, Ind. Eng. Chem., 1947, 39, 4, 517-540, https://doi.org/10.1021/ie50448a022 . [all data]

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]

Nikolic, Tripkovic, et al., 1989
Nikolic, R.; Tripkovic, J.; Kerridge, D.H., Phase chages in acetamide-salt systems: Melting points and latent heat of fusion of pure acetamide and acetamide-ammonium chloride, Thermochim. Acta, 1989, 146, 353-360. [all data]

Emons, Naumann, et al., 1986
Emons, H.H.; Naumann, R.; Jahn, K.; Flammersheim, H.J., Thermal properties of acetamide in the temperature range from 298 K to 400 K, Thermochim. Acta, 1986, 104, 127-137. [all data]

DeWit, DeKruif, et al., 1983
DeWit, H.G.M.; DeKruif, C.G.; Van Miltenburg, J.C., Thermodynamic properties of molecular organic crystals containing organic crystals containing nitrogen, oxygen, and sulfur. II. Molar heat capacities of eight compounds by adiabatic calorimetry, J. Chem. Thermodynam., 1983, 15, 891-902. [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]


Notes

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