1-Phenylheneicosane

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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 by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Quantity Value Units Method Reference Comment
Δfliquid-121.4 ± 1.6kcal/molCcbParks, West, et al., 1946Reanalyzed by Cox and Pilcher, 1970, Original value = -120.83 ± 0.05 kcal/mol
Δfliquid-121.1 ± 1.6kcal/molCcbKnowlton and Huffman, 1944Reanalyzed by Cox and Pilcher, 1970, Original value = -121.5 kcal/mol
Quantity Value Units Method Reference Comment
Δcliquid-4058.5 ± 1.6kcal/molCcbParks, West, et al., 1946Reanalyzed by Cox and Pilcher, 1970, Original value = -4058.2 ± 1.6 kcal/mol; Corresponding Δfliquid = -120.44 kcal/mol (simple calculation by NIST; no Washburn corrections)
Δcliquid-4057.8 ± 1.6kcal/molCcbKnowlton and Huffman, 1944Reanalyzed by Cox and Pilcher, 1970, Original value = -4057.5 kcal/mol; Corresponding Δfliquid = -121.14 kcal/mol (simple calculation by NIST; no Washburn corrections)

Phase change 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 by: William E. Acree, Jr., James S. Chickos

Enthalpy of vaporization

ΔvapH (kcal/mol) Temperature (K) Reference Comment
25.91461.Dykyj, Svoboda, et al., 1999Based on data from 446. to 705. K.

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.

Parks, West, et al., 1946
Parks, G.S.; West, T.J.; Naylor, B.F.; Fujii, P.S.; McClaine, L.A., Thermal data on organic compounds. XXIII. Modern combustion data for fourteen hydrocarbons and five polyhydroxy alcohols, J. Am. Chem. Soc., 1946, 68, 2524-2527. [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]

Knowlton and Huffman, 1944
Knowlton, J.W.; Huffman, H.M., The heats of combustion of some substituted eicosanes, heneicosanes and docosanes, J. Am. Chem. Soc., 1944, 66, 1492-1494. [all data]

Dykyj, Svoboda, et al., 1999
Dykyj, J.; Svoboda, J.; Wilhoit, R.C.; Frenkel, M.L.; Hall, K.R., Vapor Pressure of Chemicals: Part A. Vapor Pressure and Antoine Constants for Hydrocarbons and Sulfur, Selenium, Tellurium and Hydrogen Containing Organic Compounds, Springer, Berlin, 1999, 373. [all data]


Notes

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