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Naphthalene, 1,8-dimethyl-

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Gas phase thermochemistry data

Go To: Top, Condensed phase thermochemistry data, Phase change data, IR Spectrum, 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.
GT - Glushko Thermocenter, Russian Academy of Sciences, Moscow

Quantity Value Units Method Reference Comment
Deltafgas108.8 ± 3.0kJ/molCcbMansson, 1974Author was aware that data differs from previously reported values; ALS
Deltafgas108.6kJ/molN/AGood, 1973Value computed using «DELTA»fHsolid° value of 25.9±1.2 kj/mol from Good, 1973 and «DELTA»subH° value of 82.7 kj/mol from Mansson, 1974.; DRB

Constant pressure heat capacity of gas

Cp,gas (J/mol*K) Temperature (K) Reference Comment
40.650.Thermodynamics Research Center, 1997p=1 bar.; GT
69.8100.
98.9150.
128.6200.
173.8273.15
189.2298.15
190.3300.
247.9400.
296.2500.
335.5600.
367.4700.
393.9800.
416.1900.
434.91000.
451.1100.
464.1200.
476.1300.
486.1400.
495.1500.

Condensed phase thermochemistry data

Go To: Top, Gas phase thermochemistry data, Phase change data, IR Spectrum, 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
Deltafsolid26.1 ± 3.0kJ/molCcbMansson, 1974crystal phase; Author was aware that data differs from previously reported values; ALS
Deltafsolid25.9 ± 1.2kJ/molCcbGood, 1973crystal phase; ALS
Quantity Value Units Method Reference Comment
Deltacsolid-6463.2 ± 2.6kJ/molCcbMansson, 1974crystal phase; Author was aware that data differs from previously reported values; Corresponding «DELTA»fsolid = 26.1 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS
Deltacsolid-6463.0 ± 1.0kJ/molCcbGood, 1973crystal phase; Corresponding «DELTA»fsolid = 25.9 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS
Quantity Value Units Method Reference Comment
solid,1 bar224.72J/mol*KN/AFinke, Messerly, et al., 1977DH

Constant pressure heat capacity of solid

Cp,solid (J/mol*K) Temperature (K) Reference Comment
242.80298.15Finke, Messerly, et al., 1977T = 10 to 440 K.; DH
241.8298.15Good, 1973DH

Phase change data

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, IR Spectrum, 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:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Kenneth Kroenlein director
AC - William E. Acree, Jr., James S. Chickos
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Tfus335.KN/AKotula and Rabczuk, 1985Uncertainty assigned by TRC = 2. K; TRC
Quantity Value Units Method Reference Comment
Ttriple336.32KN/AFinke, Messerly, et al., 1977, 2Uncertainty assigned by TRC = 0.02 K; TRC
Ttriple336.32KN/AOsborn and Douslin, 1975Uncertainty assigned by TRC = 0.02 K; TRC
Quantity Value Units Method Reference Comment
Deltasub82.7 ± 0.3kJ/molCMånsson, Fredga, et al., 1974See also Pedley and Rylance, 1977.; AC
Deltasub82.7 ± 0.3kJ/molCMansson, 1974crystal phase; Author was aware that data differs from previously reported values; ALS
Deltasub82.7kJ/molN/AMansson, 1974DRB

Reduced pressure boiling point

Tboil (K) Pressure (bar) Reference Comment
413.20.024Weast and Grasselli, 1989BS

Enthalpy of vaporization

DeltavapH (kJ/mol) Temperature (K) Method Reference Comment
62.8353.AStephenson and Malanowski, 1987Based on data from 338. - 413. K. See also Osborn and Douslin, 1975, 2 and Boublik, Fried, et al., 1984.; AC
64.8336.IPFinke, Messerly, et al., 1977Based on data from 338. - 413. K.; AC
62.2360.IPFinke, Messerly, et al., 1977Based on data from 338. - 413. K.; AC
60.7380.IPFinke, Messerly, et al., 1977Based on data from 338. - 413. K.; AC
59.7400.IPFinke, Messerly, et al., 1977Based on data from 338. - 413. K.; AC

Antoine Equation Parameters

log10(P) = A − (B / (T + C))
    P = vapor pressure (bar)
    T = temperature (K)

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Temperature (K) A B C Reference Comment
338. - 413.4.474112151.342-67.192Osborn and Douslin, 1975, 2Coefficents calculated by NIST from author's data.

Enthalpy of sublimation

DeltasubH (kJ/mol) Temperature (K) Method Reference Comment
77.9332.AStephenson and Malanowski, 1987Based on data from 328. - 336. K.; AC
79.6336.BOsborn and Douslin, 1975, 2See also Colomina, Jimenez, et al., 1979.; AC

Enthalpy of fusion

DeltafusH (kJ/mol) Temperature (K) Method Reference Comment
0.04687336.33N/AFinke, Messerly, et al., 1977DH
18.53338.2DSCCheon and Kim, 2007AC
15.77336.3N/AAcree, 1991AC

Entropy of fusion

DeltafusS (J/mol*K) Temperature (K) Reference Comment
46.86336.33Finke, Messerly, et al., 1977DH

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:


IR Spectrum

Go To: Top, Gas phase thermochemistry data, 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: NIST Mass Spectrometry Data Center, William E. Wallace, director

Gas Phase Spectrum

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IR spectrum
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Additional Data

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Owner NIST Standard Reference Data Program
Collection (C) 2018 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
Origin NIST Mass Spectrometry Data Center
State gas
Instrument HP-GC/MS/IRD

This IR spectrum is from the NIST/EPA Gas-Phase Infrared Database .


Mass spectrum (electron ionization)

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

View image of digitized spectrum (can be printed in landscape orientation).

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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-6299
NIST MS number 230888

All mass spectra in this site (plus many more) are available from the NIST/EPA/NIH Mass Spectral Library. Please see the following for information about the library and its accompanying search program.


References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, IR Spectrum, 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.

Mansson, 1974
Mansson, M., A calorimetric study of peri strain in 1,8-Dimethylnaphthalene and 1,4,5,8-Tetramethylnaphthalene, Acta Chem. Scand., Ser. B, 1974, 28, 677-680. [all data]

Good, 1973
Good, W.D., The enthalpies of combustion and formation of 1,8-dimethylnaphthalene, 2,3-dimethylnaphthalene, 2,6-dimethylnaphthalene, and 2,7-dimethylnaphthalene, J. Chem. Thermodyn., 1973, 5, 715-720. [all data]

Thermodynamics Research Center, 1997
Thermodynamics Research Center, Selected Values of Properties of Chemical Compounds., Thermodynamics Research Center, Texas A&M University, College Station, Texas, 1997. [all data]

Finke, Messerly, et al., 1977
Finke, H.L.; Messerly, J.F.; Lee, S.H.; Osborn, A.G.; Douslin, D.R., Comprehensive thermodynamic studies of seven aromatic hydrocarbons, J. Chem. Thermodyn., 1977, 9, 937-956. [all data]

Kotula and Rabczuk, 1985
Kotula, I.; Rabczuk, A., DTA Investigation of the Solid-Liquid Equilibrium for Mehtyl Derivatives of Naphthalene with Some Nitroaromatics, J. Therm. Anal., 1985, 30, 195. [all data]

Finke, Messerly, et al., 1977, 2
Finke, H.L.; Messerly, J.F.; Lee, S.H.; Osborn, A.G.; Douslin, D.R., Comprehensive thermodynamic studies of seven aromatic hydrocarbons, J. Chem. Thermodyn., 1977, 9, 937. [all data]

Osborn and Douslin, 1975
Osborn, A.G.; Douslin, D.R., Vapor Pressure and Derived Enthalpies of Vaporization for Some Condensed Ring Hydrocarbons, J. Chem. Eng. Data, 1975, 20, 229-31. [all data]

Månsson, Fredga, et al., 1974
Månsson, Margret; Fredga, Arne; Ställberg, Gunnel; Thorin, Hans, A Calorimetric Study of peri Strain in 1,8-Dimethylnaphthalene and 1,4,5,8-Tetramethylnaphthalene., Acta Chem. Scand., 1974, 28b, 677-680, https://doi.org/10.3891/acta.chem.scand.28b-0677 . [all data]

Pedley and Rylance, 1977
Pedley, J.B.; Rylance, J., , Computer Analysed Thermochemical Data: Organic and Organometallic Compounds, University of Sussex, Brighton, 1977. [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]

Osborn and Douslin, 1975, 2
Osborn, Ann G.; Douslin, Donald R., Vapor pressures and derived enthalpies of vaporization for some condensed-ring hydrocarbons, J. Chem. Eng. Data, 1975, 20, 3, 229-231, https://doi.org/10.1021/je60066a022 . [all data]

Boublik, Fried, et al., 1984
Boublik, T.; Fried, V.; Hala, E., The Vapour Pressures of Pure Substances: Selected Values of the Temperature Dependence of the Vapour Pressures of Some Pure Substances in the Normal and Low Pressure Region, 2nd ed., Elsevier, New York, 1984, 972. [all data]

Colomina, Jimenez, et al., 1979
Colomina, M.; Jimenez, P.; Roux, M.V.; Turrion, C., An. Quim., 1979, 75, 620. [all data]

Cheon and Kim, 2007
Cheon, Yang-Ho; Kim, Kwang-Joo, Solid-Liquid Equilibria of Binary Mixtures of Dimethylnaphthalene Isomers, J. Chem. Eng. Data, 2007, 52, 4, 1390-1393, https://doi.org/10.1021/je700088n . [all data]

Acree, 1991
Acree, William E., Thermodynamic properties of organic compounds: enthalpy of fusion and melting point temperature compilation, Thermochimica Acta, 1991, 189, 1, 37-56, https://doi.org/10.1016/0040-6031(91)87098-H . [all data]


Notes

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