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2-Butene, 2-methyl-

Data at NIST subscription sites:

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Condensed 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
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Deltafliquid-68.6 ± 0.8kJ/molEqkWiberg and Hao, 1991Heat of hydration; ALS
Deltafliquid-68.1 ± 1.3kJ/molCcbGood and Smith, 1979ALS
Quantity Value Units Method Reference Comment
Deltacliquid-3328.6 ± 1.3kJ/molCcbGood and Smith, 1979Corresponding «DELTA»fliquid = -68.08 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS
Quantity Value Units Method Reference Comment
liquid251.2J/mol*KN/AChao, Hall, et al., 1983DH
liquid251.04J/mol*KN/ATodd, Oliver, et al., 1947DH
liquid248.9J/mol*KN/AParks and Huffman, 1930Extrapolation below 90 K, 13.12 cal/mol*K.; DH

Constant pressure heat capacity of liquid

Cp,liquid (J/mol*K) Temperature (K) Reference Comment
152.8298.15Chao, Hall, et al., 1983T = 13 to 301 K.; DH
152.80298.15Todd, Oliver, et al., 1947T = 12 to 300 K.; DH
146.4293.9Parks and Huffman, 1930T = 93 to 294 K. Value is unsmoothed experimental datum.; DH

References

Go To: Top, Condensed phase thermochemistry data, Notes

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

Wiberg and Hao, 1991
Wiberg, K.B.; Hao, S., Enthalpies of hydration of alkenes. 4. Formation of acyclic tert-alcohols, J. Org. Chem., 1991, 56, 5108-5110. [all data]

Good and Smith, 1979
Good, W.D.; Smith, N.K., The enthalpies of combustion of the isomeric pentenes in the liquid state. A warning to combustion calorimetrists about sample drying, J. Chem. Thermodyn., 1979, 11, 111-118. [all data]

Chao, Hall, et al., 1983
Chao, J.; Hall, K.R.; Yao, J.M., Thermodynamic properties of simple alkenes, Thermochim. Acta, 1983, 64(3), 285-303. [all data]

Todd, Oliver, et al., 1947
Todd, S.S.; Oliver, G.D.; Huffman, H.M., The heat capacities, heats of fusion and entropies of the six pentenes, J. Am. Chem. Soc., 1947, 69, 1519-1525. [all data]

Parks and Huffman, 1930
Parks, G.S.; Huffman, H.M., Thermal data on organic compounds. IX. A study of the effect of unsaturation on the heat capacities, entropies and free energies of some hydrocarbons and other compounds, J. Am. Chem. Soc., 1930, 52, 4381-4391. [all data]


Notes

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