1-Phenylheneicosane
- Formula: C27H48
- Molecular weight: 372.6700
- IUPAC Standard InChIKey: OWXCBZFAHWMZCQ-UHFFFAOYSA-N
- CAS Registry Number: 40775-09-5
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
The 3d structure may be viewed using Java or Javascript. - Other names: Benzene, heneicosyl-; 11-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 |
---|---|---|---|---|---|
ΔfH°liquid | -121.4 ± 1.6 | kcal/mol | Ccb | Parks, West, et al., 1946 | Reanalyzed by Cox and Pilcher, 1970, Original value = -120.83 ± 0.05 kcal/mol |
ΔfH°liquid | -121.1 ± 1.6 | kcal/mol | Ccb | Knowlton and Huffman, 1944 | Reanalyzed by Cox and Pilcher, 1970, Original value = -121.5 kcal/mol |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°liquid | -4058.5 ± 1.6 | kcal/mol | Ccb | Parks, West, et al., 1946 | Reanalyzed by Cox and Pilcher, 1970, Original value = -4058.2 ± 1.6 kcal/mol; Corresponding ΔfHºliquid = -120.44 kcal/mol (simple calculation by NIST; no Washburn corrections) |
ΔcH°liquid | -4057.8 ± 1.6 | kcal/mol | Ccb | Knowlton and Huffman, 1944 | Reanalyzed by Cox and Pilcher, 1970, Original value = -4057.5 kcal/mol; Corresponding ΔfHºliquid = -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 |
---|---|---|---|
25.91 | 461. | Dykyj, Svoboda, et al., 1999 | Based on data from 446. to 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
- Symbols used in this document:
ΔcH°liquid Enthalpy of combustion of liquid at standard conditions ΔfH°liquid Enthalpy of formation of liquid at standard conditions ΔvapH Enthalpy of vaporization - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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