2-Pentene, (Z)-

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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
DRB - Donald R. Burgess, Jr.
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Δfliquid-53.35 ± 0.42kJ/molEqkWiberg, Wasserman, et al., 1984Trifluoroacetolysis, hrxn[kcal/mol]=-10.92±0.01; ALS
Δfliquid-53.49 ± 0.62kJ/molCcbGood and Smith, 1979ALS
Δfliquid-55.8 ± 1.0kJ/molChydN/ADRB
Δfliquid-60.0 ± 0.3kJ/molCmCoops, Mulder, et al., 1946DRB
Quantity Value Units Method Reference Comment
Δcliquid-3343.21 ± 0.54kJ/molCcbGood and Smith, 1979Corresponding Δfliquid = -53.49 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS
Δcliquid-3336.7 ± 0.3kJ/molCmCoops, Mulder, et al., 1946Reanalyzed by Cox and Pilcher, 1970, Original value = -3335.3 ± 0.3 kJ/mol; Corresponding Δfliquid = -60.04 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS
Quantity Value Units Method Reference Comment
liquid258.8J/mol*KN/AChao, Hall, et al., 1983DH
liquid258.61J/mol*KN/ATodd, Oliver, et al., 1947DH

Constant pressure heat capacity of liquid

Cp,liquid (J/mol*K) Temperature (K) Reference Comment
151.8298.15Chao, Hall, et al., 1983T = 13 to 295 K.; DH
151.71298.15Todd, Oliver, et al., 1947T = 12 to 300 K.; DH

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.

Wiberg, Wasserman, et al., 1984
Wiberg, K.B.; Wasserman, D.J.; Martin, E., Enthalpies of hydration of alkenes. 2. The n-heptenes and n-pentenes, J. Phys. Chem., 1984, 88, 3684-3688. [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]

Coops, Mulder, et al., 1946
Coops, J.; Mulder, D.; Dienske, J.W.; Smittenberg, J., The heats of combustion of a number of hydrocarbons, Rec. Trav. Chim. Pays/Bas, 1946, 65, 128. [all data]

Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G., Thermochemistry of Organic and Organometallic Compounds, Academic Press, New York, 1970, 1-636. [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]


Notes

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