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Isoprene

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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
Deltacliquid-3158.2 ± 1.6kJ/molCcbJessup, 1938Reanalyzed by Cox and Pilcher, 1970, Original value = -3156.9 ± 1.6 kJ/mol; Corresponding «DELTA»fliquid = 47.3 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS
Quantity Value Units Method Reference Comment
liquid228.28J/mol*KN/AMesserly, Todd, et al., 1970DH
liquid229.2J/mol*KN/AWarfield and Petree, 1965DH
liquid229.3J/mol*KN/ABekkedahl and Wood, 1937DH

Constant pressure heat capacity of liquid

Cp,liquid (J/mol*K) Temperature (K) Reference Comment
151.08298.15Messerly, Todd, et al., 1970T = 12 to 320 K.; DH
152.5298.15Warfield and Petree, 1965T = 20 to 300 K. A reexamination of 37BEK/WOO.; DH
152.6298.2Bekkedahl and Wood, 1937T = 20 to 300 K.; 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.

Jessup, 1938
Jessup, R.S., Heat of combustion of isoprene, J. Res. NBS, 1938, 20, 589-597. [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]

Messerly, Todd, et al., 1970
Messerly, J.F.; Todd, S.S.; Guthrie, G.B., Chemical thermodynamic properties of the pentadienes, J. Chem. Eng. Data, 1970, 15, 227-232. [all data]

Warfield and Petree, 1965
Warfield, R.W.; Petree, M.C., Thermodynamic properties of natural rubber and isoprene, Die Makromol. Chemie, 1965, 84, 1-8. [all data]

Bekkedahl and Wood, 1937
Bekkedahl, N.; Wood, L.A., Entropy of isoprene from heat-capacity measurements, J. Res. NBS, 1937, 19, 551-558. [all data]


Notes

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