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Heneicosane, 11-decyl-

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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 as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.

Quantity Value Units Method Reference Comment
Deltafgas-167.3 ± 2.2kcal/molCcbParks, West, et al., 1946Heat of vaporization estimated by Cox and Pilcher, 1970; ALS
Deltafgas-170.0kcal/molN/AKnowlton and Huffman, 1944Value computed using «DELTA»fHliquid° value of -853.4±8.0 kj/mol from Knowlton and Huffman, 1944 and «DELTA»vapH° value of 142.2 kj/mol from Parks, West, et al., 1946.; DRB

Condensed phase thermochemistry data

Go To: Top, Gas 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 as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Deltafliquid-201.3 ± 2.1kcal/molCcbParks, West, et al., 1946Heat of vaporization estimated by Cox and Pilcher, 1970; ALS
Deltafliquid-204.0 ± 1.9kcal/molCcbKnowlton and Huffman, 1944Reanalyzed by Cox and Pilcher, 1970, Original value = -204.4 kcal/mol; ALS
Quantity Value Units Method Reference Comment
Deltacliquid-4900.4 ± 2.0kcal/molCcbParks, West, et al., 1946Heat of vaporization estimated by Cox and Pilcher, 1970; Corresponding «DELTA»fliquid = -201.27 kcal/mol (simple calculation by NIST; no Washburn corrections); ALS
Deltacliquid-4897.7 ± 1.9kcal/molCcbKnowlton and Huffman, 1944Reanalyzed by Cox and Pilcher, 1970, Original value = -4897.3 kcal/mol; Corresponding «DELTA»fliquid = -203.97 kcal/mol (simple calculation by NIST; no Washburn corrections); ALS
Quantity Value Units Method Reference Comment
liquid259.61cal/mol*KN/AFischl, Naylor, et al., 1945Penn State entropy above. From Stanford data, with extrapolation of 218.0 J/mol*K, S = 1098.3 J/mol*K.; DH

Constant pressure heat capacity of liquid

Cp,liquid (cal/mol*K) Temperature (K) Reference Comment
227.0300.Fischl, Naylor, et al., 1945T = 12 to 296 K (Penn State), 80 to 297 K (Stanford); at 300 K, Cp = 949.8 J/mol*K (Penn State), 963.2 J/mol*K (Stanford).; DH

Phase change data

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry 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 as indicated in comments:
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
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Tfus283.2KN/AFoehr and Fenske, 1949Uncertainty assigned by TRC = 2. K; TRC
Tfus282.2KN/ASchiessler, 1947Uncertainty assigned by TRC = 1. K; TRC
Tfus281.850KN/AParks, West, et al., 1946, 2Uncertainty assigned by TRC = 0.4 K; TRC
Tfus281.9KN/AAnonymous, 1944Uncertainty assigned by TRC = 0.5 K; TRC
Tfus282.4KN/ANaylor, 1943Uncertainty assigned by TRC = 1. K; TRC
Quantity Value Units Method Reference Comment
Ttriple282.34KN/AFischl, Naylor, et al., 1945, 2Uncertainty assigned by TRC = 0.1 K; TRC
Quantity Value Units Method Reference Comment
Deltavap34.0 ± 0.2kcal/molEParks, West, et al., 1946Heat of vaporization estimated by Cox and Pilcher, 1970; ALS

Enthalpy of vaporization

DeltavapH (kcal/mol) Temperature (K) Method Reference Comment
26.51305.A,MGStephenson and Malanowski, 1987Based on data from 298. - 313. K. See also Schiessler and Whitmore, 1955.; AC

Enthalpy of fusion

DeltafusH (kcal/mol) Temperature (K) Reference Comment
17.019282.34Fischl, Naylor, et al., 1945Stanford data give H = 71044 J/mol; Tm 282.2 K.; DH
17.00282.3Domalski and Hearing, 1996AC

Entropy of fusion

DeltafusS (cal/mol*K) Temperature (K) Reference Comment
60.277282.34Fischl, Naylor, et al., 1945Stanford; DH

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 17546

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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.

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]

Fischl, Naylor, et al., 1945
Fischl, F.B.; Naylor, B.G.; Ziemer, C.W.; Parks, G.S.; Aston, J.G., The heat capacity, heat of fusion and entropy of 11-n-decylheneicosane, J. Am. Chem. Soc., 1945, 67, 2075-2079. [all data]

Foehr and Fenske, 1949
Foehr, E.G.; Fenske, M.R., Magneto-optic Rotation of Hydrocarbons, Ind. Eng. Chem., 1949, 41, 1956. [all data]

Schiessler, 1947
Schiessler, R.W., , Am. Pet. Inst. Res. Proj. 42, Twelfth Meeting, 1947. [all data]

Parks, West, et al., 1946, 2
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 Polyhydric Alcohols, J. Am. Chem. Soc., 1946, 68, 2524. [all data]

Anonymous, 1944
Anonymous, R., , Sunbury Rep., Anglo-Iranian Oil Co., March 22, 1944. [all data]

Naylor, 1943
Naylor, , Thesis, Stanford Univ., 1943. [all data]

Fischl, Naylor, et al., 1945, 2
Fischl, F.B.; Naylor, B.F.; Ziemer, C.W.; Parks, G.S.; Aston, J.G., The Heat Capacity, Heat of Fusion and Entropy of 11-n-Dodecylheneicosane, J. Am. Chem. Soc., 1945, 67, 2075. [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]

Domalski and Hearing, 1996
Domalski, Eugene S.; Hearing, Elizabeth D., Heat Capacities and Entropies of Organic Compounds in the Condensed Phase. Volume III, J. Phys. Chem. Ref. Data, 1996, 25, 1, 1, https://doi.org/10.1063/1.555985 . [all data]


Notes

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