1-Phenylheneicosane

Data at NIST subscription sites:

NIST subscription sites provide data under the NIST Standard Reference Data Program, but require an annual fee to access. The purpose of the fee is to recover costs associated with the development of data collections included in such sites. Your institution may already be a subscriber. Follow the links above to find out more about the data in these sites and their terms of usage.


Condensed phase thermochemistry data

Go To: Top, Phase change data, References, Notes

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

Go To: Top, Condensed phase thermochemistry data, References, Notes

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. - 705. K.

References

Go To: Top, Condensed phase thermochemistry data, Phase change data, Notes

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

Go To: Top, Condensed phase thermochemistry data, Phase change data, References