Pentatriacontane

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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: Eugene S. Domalski and Elizabeth D. Hearing

Constant pressure heat capacity of solid

Cp,solid (J/mol*K) Temperature (K) Reference Comment
915.9302.Garner, Van Bibber, et al., 1931crystaline, II phase; T = 290 to 373 K. Mean value, 17 to 41°C.

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
AC - William E. Acree, Jr., James S. Chickos
CAL - James S. Chickos, William E. Acree, Jr., Joel F. Liebman, Students of Chem 202 (Introduction to the Literature of Chemistry), University of Missouri -- St. Louis
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Tboil763.2KN/AWeast and Grasselli, 1989BS
Quantity Value Units Method Reference Comment
Tfus348. ± 2.KAVGN/AAverage of 17 values; Individual data points
Quantity Value Units Method Reference Comment
Δvap178.kJ/molCGCChickos and Hanshaw, 2004Based on data from 534. to 565. K.; AC

Reduced pressure boiling point

Tboil (K) Pressure (bar) Reference Comment
584.20.013Weast and Grasselli, 1989BS

Enthalpy of vaporization

ΔvapH (kJ/mol) Temperature (K) Method Reference Comment
122.4544.A,EStephenson and Malanowski, 1987Based on data from 529. to 764. K. See also Kudchadker and Zwolinski, 1966.; AC

Enthalpy of fusion

ΔfusH (kJ/mol) Temperature (K) Reference Comment
86.4347.2Domalski and Hearing, 1996AC

Entropy of fusion

ΔfusS (J/mol*K) Temperature (K) Reference Comment
119.2344.7Domalski and Hearing, 1996CAL
248.85347.2

Enthalpy of phase transition

ΔHtrs (kJ/mol) Temperature (K) Initial Phase Final Phase Reference Comment
41.087344.7crystaline, IIcrystaline, IGarner, Van Bibber, et al., 1931DH
86.400347.2crystaline, IliquidGarner, Van Bibber, et al., 1931DH

Entropy of phase transition

ΔStrs (J/mol*K) Temperature (K) Initial Phase Final Phase Reference Comment
119.2344.7crystaline, II, ácrystaline, I, à transitionGarner, Van Bibber, et al., 1931DH
248.8347.2crystaline, IliquidGarner, Van Bibber, et al., 1931DH

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)

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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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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 Japan AIST/NIMC Database- Spectrum MS-NW-6088
NIST MS number 233161

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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.

Garner, Van Bibber, et al., 1931
Garner, W.E.; Van Bibber, K.; King, A.M., The melting points and heats of crystallization of the normal long-chain hydrocarbons, J. Chem. Soc. (London), 1931, 1931, 1533-1541. [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]

Chickos and Hanshaw, 2004
Chickos, James S.; Hanshaw, William, Vapor Pressures and Vaporization Enthalpies of the n -Alkanes from C 31 to C 38 at T = 298.15 K by Correlation Gas Chromatography, J. Chem. Eng. Data, 2004, 49, 3, 620-630, https://doi.org/10.1021/je030236t . [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]

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, Condensed phase thermochemistry data, Phase change data, Mass spectrum (electron ionization), References