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Condensed phase thermochemistry data

Go To: Top, 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: Eugene S. Domalski and Elizabeth D. Hearing

Constant pressure heat capacity of liquid

Cp,liquid (J/mol*K) Temperature (K) Reference Comment
1425.353.Atkinson, Larkin, et al., 1969T = 353 to 453 K. Equation only.

Phase change data

Go To: Top, 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
AC - William E. Acree, Jr., James S. Chickos

Quantity Value Units Method Reference Comment
Tfus356.1KN/ASeyer, Patterson, et al., 1944Uncertainty assigned by TRC = 2. K; TRC
Tfus356.1KN/ABuchler and Graves, 1927Uncertainty assigned by TRC = 4. K; TRC
Quantity Value Units Method Reference Comment
Δvap213.5kJ/molCGCChickos, Wang, et al., 2008Based on data from 323. to 523. K.; AC

Enthalpy of vaporization

ΔvapH (kJ/mol) Temperature (K) Method Reference Comment
136.582.A,EStephenson and Malanowski, 1987Based on data from 567. to 810. K. See also Kudchadker and Zwolinski, 1966.; AC

Enthalpy of fusion

ΔfusH (kJ/mol) Temperature (K) Method Reference Comment
165.97357.3DSCWang, Tozaki, et al., 2006AC

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, 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.
Origin Chemical Concepts
NIST MS number 162061

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References

Go To: Top, 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.

Atkinson, Larkin, et al., 1969
Atkinson, C.M.L.; Larkin, J.A.; Richardson, M.J., Enthalpy changes in molten n-alkanes and polyethylene, J. Chem. Thermodynam., 1969, 1, 435-445. [all data]

Seyer, Patterson, et al., 1944
Seyer, W.F.; Patterson, R.F.; Keays, J.L., The Density and Transition Points of the n-Paraffin Hydrocarbons, J. Am. Chem. Soc., 1944, 66, 179-82. [all data]

Buchler and Graves, 1927
Buchler, C.C.; Graves, G.D., Ind. Eng. Chem., 1927, 19, 718. [all data]

Chickos, Wang, et al., 2008
Chickos, James; Wang, Tracy; Sharma, Esseim, Hypothetical Thermodynamic Properties: Vapor Pressures and Vaporization Enthalpies of the Even n -Alkanes from C 40 to C 76 at T = 298.15 K by Correlation-Gas Chromatography. Are the Vaporization Enthalpies a Linear Function of Carbon Number?, J. Chem. Eng. Data, 2008, 53, 2, 481-491, https://doi.org/10.1021/je7005852 . [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]

Kudchadker and Zwolinski, 1966
Kudchadker, A.P.; Zwolinski, B.J., Vapor Pressure and Boiling Points of Normal Alkanes, C 21 to C 100 ., J. Chem. Eng. Data, 1966, 11, 2, 253-255, https://doi.org/10.1021/je60029a039 . [all data]

Wang, Tozaki, et al., 2006
Wang, Shaolan; Tozaki, Ken-Ichi; Hayashi, Hideko; Inaba, Hideaki; Yamamoto, Hiroko, Observation of multiple phase transitions in some even n-alkanes using a high resolution and super-sensitive DSC, Thermochimica Acta, 2006, 448, 2, 73-81, https://doi.org/10.1016/j.tca.2006.06.022 . [all data]


Notes

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