Benzene, (1-ethyloctadecyl)-

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Condensed phase thermochemistry data

Go To: Top, Phase change data, Gas phase ion energetics data, Mass spectrum (electron ionization), 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
Δfsolid-131.2 ± 1.5kcal/molCcbKnowlton and Huffman, 1944Reanalyzed by Cox and Pilcher, 1970, Original value = -131.6 kcal/mol
Quantity Value Units Method Reference Comment
Δcsolid-3885.4 ± 1.5kcal/molCcbKnowlton and Huffman, 1944Reanalyzed by Cox and Pilcher, 1970, Original value = -3885.1 kcal/mol; Corresponding Δfsolid = -131.18 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) Method Reference Comment
22.0504.A,MGStephenson and Malanowski, 1987Based on data from 489. to 526. K. See also Schiessler and Whitmore, 1955.

Gas phase ion energetics 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: Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
C7H7+12.2 ± 0.1?EIKing, 1965 

Mass spectrum (electron ionization)

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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: NIST Mass Spectrometry Data Center, William E. Wallace, director

Spectrum

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Mass spectrum
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Additional Data

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Owner NIST Mass Spectrometry Data Center
Collection (C) 2014 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
Origin CONTINENTAL OIL CO., PONCA CITY, OKLA, USA
NIST MS number 34747

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References

Go To: Top, Condensed phase thermochemistry data, Phase change data, Gas phase ion energetics data, Mass spectrum (electron ionization), Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

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]

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

Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw, Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2 . [all data]

Schiessler and Whitmore, 1955
Schiessler, R.W.; Whitmore, F.C., Properties of High Molecular Weight Hydrocarbons, Ind. Eng. Chem., 1955, 47, 8, 1660-1665, https://doi.org/10.1021/ie50548a054 . [all data]

King, 1965
King, A.B., Mass-spectral fragmentation of phenyl-n-alkanes, J. Chem. Phys., 1965, 42, 3526. [all data]


Notes

Go To: Top, Condensed phase thermochemistry data, Phase change data, Gas phase ion energetics data, Mass spectrum (electron ionization), References