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1-Butyne

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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
Deltafgas39.48 ± 0.21kcal/molCmProsen, Maron, et al., 1951ALS
Deltafgas39.70 ± 0.50kcal/molCcbWagman, Kilpatrick, et al., 1945Unpublished work of E. J. Prosen; ALS
Quantity Value Units Method Reference Comment
Deltacgas-620.64 ± 0.20kcal/molCmProsen, Maron, et al., 1951Corresponding «DELTA»fgas = 39.49 kcal/mol (simple calculation by NIST; no Washburn corrections); ALS

Constant pressure heat capacity of gas

Cp,gas (cal/mol*K) Temperature (K) Reference Comment
8.34650.Thermodynamics Research Center, 1997p=1 bar. Values from earlier statistical thermodynamics calculation [ Wagman D.D., 1945] are slightly lower than recommended ones (up to 1.8 J/mol*K in S(T) and 1 J/mol*K in Cp(T)).; GT
10.46100.
12.66150.
14.93200.
18.38273.15
19.56298.15
19.64300.
24.063400.
27.866500.
31.076600.
33.817700.
36.188800.
38.250900.
40.0501000.
41.6201100.
42.9901200.
44.191300.
45.221400.
46.131500.

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.

Prosen, Maron, et al., 1951
Prosen, E.J.; Maron, F.W.; Rossini, F.D., Heats of combustion, formation, and insomerization of ten C4 hydrocarbons, J. Res. NBS, 1951, 46, 106-112. [all data]

Wagman, Kilpatrick, et al., 1945
Wagman, D.D.; Kilpatrick, J.E.; Pitzer, K.S.; Rossini, F.D., Heats, equilibrium constants, and free energies of formation of the acetylene hydrocarbons through the pentynes, to 1,500° K, J. Res. NBS, 1945, 35, 467-496. [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]

Wagman D.D., 1945
Wagman D.D., Heats, equilibrium constants, and free energies of formation of the acetylene hydrocarbons through the pentynes to 1500 K, J. Res. Nat. Bur. Stand., 1945, 35, 467-496. [all data]


Notes

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