Docosane, 5-butyl-

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Gas phase thermochemistry data

Go To: Top, Condensed phase thermochemistry data, Phase change 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
Δfgas-140.4 ± 1.8kcal/molCcbKnowlton and Huffman, 1944Heat of formation derived by Cox and Pilcher, 1970

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-171.0kcal/molCcbKnowlton and Huffman, 1944 
Quantity Value Units Method Reference Comment
Δcliquid-4119.3 ± 1.6kcal/molCcbKnowlton and Huffman, 1944Reanalyzed by Cox and Pilcher, 1970, Original value = -4119.0 kcal/mol; Corresponding Δfliquid = -170.54 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 as indicated in comments:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos

Quantity Value Units Method Reference Comment
Tfus294.0KN/AWhitmore, Sutherland, et al., 1942Uncertainty assigned by TRC = 0.5 K; TRC
Quantity Value Units Method Reference Comment
Δvap30.1 ± 0.2kcal/molEKnowlton and Huffman, 1944Heat of formation derived by Cox and Pilcher, 1970; ALS

Reduced pressure boiling point

Tboil (K) Pressure (atm) Reference Comment
517.20.013Weast and Grasselli, 1989BS

Enthalpy of vaporization

ΔvapH (kcal/mol) Temperature (K) Method Reference Comment
22.5497.A,MGStephenson and Malanowski, 1987Based on data from 482. to 518. K. See also Schiessler and Whitmore, 1955.; AC

In addition to the Thermodynamics Research Center (TRC) data available from this site, much more physical and chemical property data is available from the following TRC products:


Mass spectrum (electron ionization)

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, 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: 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.
NIST MS number 16326

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References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change 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]

Whitmore, Sutherland, et al., 1942
Whitmore, F.C.; Sutherland, L.H.; Cosby, J.N., Higher Hydrocarbons. I. Seven Alkyl Substituted Docosanes., J. Am. Chem. Soc., 1942, 64, 1360. [all data]

Weast and Grasselli, 1989
CRC Handbook of Data on Organic Compounds, 2nd Editon, Weast,R.C and Grasselli, J.G., ed(s)., CRC Press, Inc., Boca Raton, FL, 1989, 1. [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]


Notes

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