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Phosgene

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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, M. Frenkel director
DH - E.S. Domalski and E.D. Hearing
AC - W.E. Acree, Jr., J.S. Chickos

QuantityValueUnitsMethodReferenceComment
Ttriple139.19KN/AGiauque and Ott, 1960Crystal phase 3 phase; Uncertainty assigned by TRC = 0.2 K; TRC
Ttriple145.37KN/AGiauque and Ott, 1960Crystal phase 1 phase; Uncertainty assigned by TRC = 0.02 K; TRC
Ttriple142.09KN/AGiauque and Ott, 1960Crystal phase 2 phase; Uncertainty assigned by TRC = 0.05 K; TRC
Ttriple145.37KN/AGiauque and Jones, 1948Uncertainty assigned by TRC = 0.02 K; adiabatic calorimeter method; TRC

Enthalpy of vaporization

DeltavapH (kJ/mol)Temperature (K)MethodReferenceComment
24.401280.71N/AGiauque and Jones, 1948, 2P = 101.325 kPa.; DH
24.5295.AStephenson and Malanowski, 1987Based on data from 280. - 341. K.; AC
25.7266.AStephenson and Malanowski, 1987Based on data from 240. - 281. K.; AC
24.5353.AStephenson and Malanowski, 1987Based on data from 338. - 410. K.; AC
24.4421.AStephenson and Malanowski, 1987Based on data from 406. - 455. K.; AC
27.0233.N/AGiauque and Jones, 1948, 2Based on data from 215. - 248. K.; AC
25.8258.N/AStull, 1947Based on data from 180. - 273. K.; AC

Entropy of vaporization

DeltavapS (J/mol*K)Temperature (K)ReferenceComment
86.93280.71Giauque and Jones, 1948, 2P; DH

Antoine Equation Parameters

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

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Temperature (K)ABCReferenceComment
215.53 - 281.4.05103978.937-38.717Giauque and Jones, 1948, 2Coefficents calculated by NIST from author's data.
180.3 - 281.43.94888945.332-41.715Stull, 1947Coefficents calculated by NIST from author's data.
281.4 - 447.4.271051072.71-29.855Stull, 1947Coefficents calculated by NIST from author's data.

Enthalpy of fusion

DeltafusH (kJ/mol)Temperature (K)ReferenceComment
5.736145.37Giauque and Jones, 1948, 2DH
5.73145.3Giauque and Jones, 1948, 2AC

Entropy of fusion

DeltafusS (J/mol*K)Temperature (K)ReferenceComment
39.46145.37Giauque and Jones, 1948, 2DH

Enthalpy of phase transition

DeltaHtrs (kJ/mol)Temperature (K)Initial PhaseFinal PhaseReferenceComment
4.732139.19crystaline, IIIliquidGiauque and Ott, 1960DH
5.586142.09crystaline, IIliquidGiauque and Ott, 1960DH
5.745145.37crystaline, IliquidGiauque and Ott, 1960DH

Entropy of phase transition

DeltaStrs (J/mol*K)Temperature (K)Initial PhaseFinal PhaseReferenceComment
34.00139.19crystaline, IIIliquidGiauque and Ott, 1960DH
39.31142.09crystaline, IIliquidGiauque and Ott, 1960DH
39.52145.37crystaline, IliquidGiauque and Ott, 1960DH

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.

Giauque and Ott, 1960
Giauque, W.F.; Ott, J.B., The three melting points and heats of fusion of phosgene. Entropy of solids I and II, and atomic exchange disorder in solid II, J. Am. Chem. Soc., 1960, 82, 2689-2695. [all data]

Giauque and Jones, 1948
Giauque, W.F.; Jones, W.M., Carbonyl chloride. Entropy. Heat capacity. Vapor pressure. Heats of fusion and vaporization. Comments on solid sulfur dioxidestructure, J. Am. Chem. Soc., 1948, 70, 120. [all data]

Giauque and Jones, 1948, 2
Giauque, W.F.; Jones, W.M., Carbonyl chloride. Entropy. Heat capacity. Vapor pressure. Heats of fusion and vaporization. Comments on solid sulfur dioxide structure, J. Am. Chem. Soc., 1948, 70, 120-124. [all data]

Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw, Handbook of the Thermodynamics of Organic Compounds, 1987. [doi: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. [doi:10.1021/ie50448a022] [all data]


Notes

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