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Glyoxal


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-212.0 ± 0.79kJ/molCmFletcher and Pilcher, 1970ALS
Quantity Value Units Method Reference Comment
Deltacgas-860.90 ± 0.75kJ/molCmFletcher and Pilcher, 1970Corresponding «DELTA»fgas = -212.0 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS

Constant pressure heat capacity of gas

Cp,gas (J/mol*K) Temperature (K) Reference Comment
36.3650.Thermodynamics Research Center, 1997p=1 bar. Recommended entropies and heat capacities are in close agreement with other statistically calculated values [ Compton D.A.C., 1977, Hollenstein H., 1980]. Calculation [ Natarajan A., 1982] seems to be erroneous.; GT
41.42100.
45.95150.
50.49200.
57.63273.15
60.23298.15
60.43300.
71.21400.
81.43500.
90.12600.
97.05700.
102.44800.
106.61900.
109.861000.
112.441100.
114.521200.
116.221300.
117.631400.
118.81500.

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.

Fletcher and Pilcher, 1970
Fletcher, R.A.; Pilcher, G., Measurements of heats of combustion by flame calorimetry, Trans. Faraday Soc., 1970, 66, 794-799. [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]

Compton D.A.C., 1977
Compton D.A.C., Values for the gas-phase thermodynamic functions of conjugated compounds existing as a mixture of conformers, J. Chem. Soc. Perkin Trans. 2, 1977, 1307-1311. [all data]

Hollenstein H., 1980
Hollenstein H., Sum of states, isomeric group and symmetry number of nonrigid molecules, Chem. Phys., 1980, 47, 269-285. [all data]

Natarajan A., 1982
Natarajan A., Vibrational analysis of glyoxal-h2, -d2 and -hd, J. Indian Chem. Soc., 1982, 59, 1156-1157. [all data]


Notes

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