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Ketene

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Gas phase thermochemistry 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:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
GT - Glushko Thermocenter, Russian Academy of Sciences, Moscow

Quantity Value Units Method Reference Comment
Deltafgas-87.24kJ/molIonOrlov, Krivoruchko, et al., 1986Author was aware that data differs from previously reported values; ALS
Deltafgas-48. ± 2.kJ/molCmNuttall, Laufer, et al., 1971ALS
Deltafgas-61.84kJ/molCmRice and Greenberg, 1934ALS

Constant pressure heat capacity of gas

Cp,gas (J/mol*K) Temperature (K) Reference Comment
33.2650.Thermodynamics Research Center, 1997p=1 bar. Selected entropies and heat capacities are in excellent agreement with statistically calculated values [ Cox A.P., 1963, Moore C.B., 1963] and value of S(298.15 K) calculated by ab initio method [ East A.L.L., 1997]. Maximum discrepancies with earlier calculations [ Drayton L.G., 1948, Sundaram S., 1960] amount to 6 and 4 J/mol*K for S(T) and Cp(T), respectively. S(T) values calculated by [ Zhuravlev E.Z., 1959] are 11-13 J/mol*K lower than recommended ones.; GT
34.23100.
37.92150.
42.74200.
49.59273.15
51.75298.15
51.91300.
59.49400.
65.61500.
70.66600.
74.94700.
78.64800.
81.88900.
84.711000.
87.191100.
89.351200.
91.251300.
92.911400.
94.361500.

References

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

Orlov, Krivoruchko, et al., 1986
Orlov, V.M.; Krivoruchko, A.A.; Misharev, A.D.; Takhistov, V.V., Enthalpy of vapor phase formation of ketene, ethynol, and their analogs, Bull. Acad. Sci. USSR, Div. Chem. Sci., 1986, 2404-2405. [all data]

Nuttall, Laufer, et al., 1971
Nuttall, R.L.; Laufer, A.H.; Kilday, M.V., The enthalpy of formation of ketene, J. Chem. Thermodyn., 1971, 3, 167-174. [all data]

Rice and Greenberg, 1934
Rice, F.O.; Greenberg, J., Ketene. III. Heat of formation and heat of reaction with alcohols, J. Am. Chem. Soc., 1934, 38, 2268-2270. [all data]

Thermodynamics Research Center, 1997
Thermodynamics Research Center, Selected Values of Properties of Chemical Compounds., Thermodynamics Research Center, Texas A&M University, College Station, Texas, 1997. [all data]

Cox A.P., 1963
Cox A.P., Fundamental vibrational frequencies in ketene and the deuteroketenes, J. Chem. Phys., 1963, 38, 1636-1643. [all data]

Moore C.B., 1963
Moore C.B., Infrared spectrum and vibrational potential function of ketene and the deuterated ketenes, J. Chem. Phys., 1963, 38, 2816-2829. [all data]

East A.L.L., 1997
East A.L.L., Ab initio statistical thermodynamical models for the computation of third-law entropies, J. Chem. Phys., 1997, 106, 6655-6674. [all data]

Drayton L.G., 1948
Drayton L.G., The infrared spectrum of ketene, J. Chem. Soc., 1948, 1416-1419. [all data]

Sundaram S., 1960
Sundaram S., Potential energy constants, rotational distortion constants, and thermodynamic properties of H2C=C=O and D2C=C=O, J. Chem. Phys., 1960, 32, 1554-1556. [all data]

Zhuravlev E.Z., 1959
Zhuravlev E.Z., Isotopic effect on thermodynamic functions of some organic deuterocompounds in the ideal gas state, Tr. Khim. i Khim. Tekhnol., 1959, 2, 475-485. [all data]


Notes

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