Butane

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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
Δfgas-125.6 ± 0.67kJ/molCcbPittam and Pilcher, 1972ALS
Δfgas-127.1 ± 0.67kJ/molCmProsen, Maron, et al., 1951see Prosen and Rossini, 1945; ALS
Quantity Value Units Method Reference Comment
Δcgas-2877.5 ± 0.63kJ/molCcbPittam and Pilcher, 1972Corresponding Δfgas = -125.6 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS
Δcgas-2876.2 ± 0.63kJ/molCmProsen, Maron, et al., 1951see Prosen and Rossini, 1945; Corresponding Δfgas = -127.0 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS
Δcgas-2878.3 ± 0.63kJ/molCcbRossini, 1934Corresponding Δfgas = -124.9 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
38.0750.Chen S.S., 1975Recommended values are in good agreement with those calculated by [ Pitzer K.S., 1944, Pitzer K.S., 1946].; GT
55.35100.
67.32150.
76.44200.
92.30273.15
98.49298.15
98.95300.
124.77400.
148.66500.
169.28600.
187.02700.
202.38800.
215.73900.
227.361000.
237.481100.
246.271200.
253.931300.
260.581400.
266.401500.

Constant pressure heat capacity of gas

Cp,gas (J/mol*K) Temperature (K) Reference Comment
110.58344.9Dailey B.P., 1943Other experimental values of heat capacity [ Sage B.H., 1937] are believed to be less reliable, see [ Chen S.S., 1975].; GT
114.93359.6
121.75387.5
137.99451.6
154.01521.0
162.26561.3
170.33600.8
185.85692.6

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.

Pittam and Pilcher, 1972
Pittam, D.A.; Pilcher, G., Measurements of heats of combustion by flame calorimetry. Part 8.-Methane, ethane, propane, n-butane and 2-methylpropane, J. Chem. Soc. Faraday Trans. 1, 1972, 68, 2224-2229. [all data]

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]

Prosen and Rossini, 1945
Prosen, E.J.; Rossini, F.D., Heats of formation and combustion of 1,3-butadiene and styrene, J. Res. NBS, 1945, 34, 59-63. [all data]

Rossini, 1934
Rossini, F.D., Calorimetric determination of the heats of combustion of ethane, propane, normal butane, and normal pentane, J. Res. NBS, 1934, 12, 735-750. [all data]

Chen S.S., 1975
Chen S.S., Ideal gas thermodynamic properties and isomerization of n-butane and isobutane, J. Phys. Chem. Ref. Data, 1975, 4, 859-869. [all data]

Pitzer K.S., 1944
Pitzer K.S., Thermodynamics of gaseous paraffins. Specific heat and related properties, Ind. Eng. Chem., 1944, 36, 829-831. [all data]

Pitzer K.S., 1946
Pitzer K.S., The entropies and related properties of branched paraffin hydrocarbons, Chem. Rev., 1946, 39, 435-447. [all data]

Dailey B.P., 1943
Dailey B.P., Heat capacities and hindered rotation in n-butane and isobutane, J. Am. Chem. Soc., 1943, 65, 44-46. [all data]

Sage B.H., 1937
Sage B.H., Phase equilibria in hydrocarbon systems. XX. Isobaric heat capacity of gaseous propane, n-butane, isobutane, and n-pentane, Ind. Eng. Chem., 1937, 29, 1309-1314. [all data]


Notes

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