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Naphthalene, 2-methyl-

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Gas phase thermochemistry data

Go To: Top, Condensed phase thermochemistry data, Phase change data, Reaction 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:
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
Deltafgas116.1 ± 2.6kJ/molCcbSperos and Rossini, 1960Hfusion=2.83±0.01; ALS
Deltafgas106.2kJ/molN/ARichardson and Parks, 1939Value computed using «DELTA»fHsolid° value of 35.0±2.2 kj/mol from Richardson and Parks, 1939 and «DELTA»subH° value of 71.2 kj/mol from Richardson and Parks, 1939.; DRB

Constant pressure heat capacity of gas

Cp,gas (J/mol*K) Temperature (K) Reference Comment
43.350.Thermodynamics Research Center, 1997p=1 bar.; GT
61.9100.
80.8150.
103.2200.
141.1273.15
154.6298.15
155.6300.
207.7400.
252.2500.
288.5600.
318.0700.
342.3800.
362.5900.
379.41000.
394.1100.
406.1200.
417.1300.
426.1400.
433.1500.

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

Quantity Value Units Method Reference Comment
liquid219.99J/mol*KN/AMcCullough, Finke, et al., 1957DH
liquid203.8J/mol*KN/AHuffman, Parks, et al., 1931Extrapolation below 90 K, 65.86 J/mol*K. Value is for crystal. Did not observe transition at 288 K with S= 19.2 J/mol*K.; DH
Quantity Value Units Method Reference Comment
Deltafsolid44.9 ± 1.5kJ/molCcbSperos and Rossini, 1960Hfusion=2.83±0.01; ALS
Deltafsolid35.0 ± 2.2kJ/molCcbRichardson and Parks, 1939Reanalyzed by Cox and Pilcher, 1970, Original value = 33.4 kJ/mol; see Richardson, 1939; ALS
Quantity Value Units Method Reference Comment
Deltacsolid-5802.7 ± 1.5kJ/molCcbSperos and Rossini, 1960Hfusion=2.83±0.01; Corresponding «DELTA»fsolid = 44.94 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS
Deltacsolid-5792.7 ± 2.2kJ/molCcbRichardson and Parks, 1939Reanalyzed by Cox and Pilcher, 1970, Original value = -5790.28 kJ/mol; see Richardson, 1939; Corresponding «DELTA»fsolid = 35.0 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS

Constant pressure heat capacity of liquid

Cp,liquid (J/mol*K) Temperature (K) Reference Comment
195.98298.15McCullough, Finke, et al., 1957T = 10 to 400 K.; DH
228.0310.4Huffman, Parks, et al., 1931T = 94 to 310 K. Value is unsmoothed experimental datum.; DH

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, Kenneth Kroenlein director
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos
DRB - Donald R. Burgess, Jr.
DH - Eugene S. Domalski and Elizabeth D. Hearing
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

Quantity Value Units Method Reference Comment
Tboil514. ± 1.KAVGN/AAverage of 15 out of 16 values; Individual data points
Quantity Value Units Method Reference Comment
Tfus307. ± 1.KAVGN/AAverage of 15 out of 16 values; Individual data points
Quantity Value Units Method Reference Comment
Ttriple307.7200KN/AMcCullough, Finke, et al., 1957, 2Crystal phase 1 phase; Uncertainty assigned by TRC = 0.08 K; TRC
Ttriple307.7200KN/AMcCullough, Finke, et al., 1957, 2Crystal phase 1 phase; Uncertainty assigned by TRC = 0.05 K; TRC
Ttriple307.2KN/AHuffman, Parks, et al., 1931, 2Uncertainty assigned by TRC = 0.25 K; TRC
Quantity Value Units Method Reference Comment
Tc761. ± 1.KN/ATsonopoulos and Ambrose, 1995 
Tc761.15KN/AAmbrose, 1963Uncertainty assigned by TRC = 1.5 K; TRC
Tc764.55KN/AGlaser and Ruland, 1957Uncertainty assigned by TRC = 2. K; TRC
Quantity Value Units Method Reference Comment
Pc32.9306barN/AGlaser and Ruland, 1957Uncertainty assigned by TRC = 1.5199 bar; TRC
Quantity Value Units Method Reference Comment
Deltavap45.31kJ/molCGlaser and Ruland, 1957ALS
Quantity Value Units Method Reference Comment
Deltasub65.69 ± 0.84kJ/molCSabbah, Chastel, et al., 1974ALS
Deltasub71.3 ± 2.1kJ/molVSperos and Rossini, 1960Hfusion=2.83±0.01; ALS
Deltasub71.2kJ/molN/ASperos and Rossini, 1960DRB

Enthalpy of vaporization

DeltavapH (kJ/mol) Temperature (K) Method Reference Comment
51.2438.A,GSStephenson and Malanowski, 1987Based on data from 423. - 515. K. See also Camin and Rossini, 1955.; AC
48.4465.N/AWieczorek and Kobayashi, 1981Based on data from 424. - 535. K.; AC
46.4505.N/AWieczorek and Kobayashi, 1981Based on data from 424. - 535. 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
412.34 - 514.914.19341840.268-74.755Camin and Rossini, 1955

Enthalpy of sublimation

DeltasubH (kJ/mol) Temperature (K) Method Reference Comment
61.71 ± 0.84283.VKaryakin, Rabinovich, et al., 1968ALS

Enthalpy of fusion

DeltafusH (kJ/mol) Temperature (K) Reference Comment
12.13307.7Domalski and Hearing, 1996AC
11.966307.2Huffman, Parks, et al., 1931DH

Entropy of fusion

DeltafusS (J/mol*K) Temperature (K) Reference Comment
39.0307.2Huffman, Parks, et al., 1931DH

Entropy of fusion

DeltafusS (J/mol*K) Temperature (K) Reference Comment
19.43288.5Domalski and Hearing, 1996CAL
39.43307.7

Enthalpy of phase transition

DeltaHtrs (kJ/mol) Temperature (K) Initial Phase Final Phase Reference Comment
5.606288.5crystaline, IIcrystaline, IMcCullough, Finke, et al., 1957DH
12.125307.73crystaline, IliquidMcCullough, Finke, et al., 1957DH

Entropy of phase transition

DeltaStrs (J/mol*K) Temperature (K) Initial Phase Final Phase Reference Comment
19.43288.5crystaline, IIcrystaline, IMcCullough, Finke, et al., 1957DH
39.40307.73crystaline, IliquidMcCullough, Finke, et al., 1957DH

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:


Reaction thermochemistry data

Go To: Top, Gas phase thermochemistry data, 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 by: John E. Bartmess

Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.

Individual Reactions

C11H9- + Hydrogen cation = Naphthalene, 2-methyl-

By formula: C11H9- + H+ = C11H10

Quantity Value Units Method Reference Comment
Deltar1559. ± 8.8kJ/molG+TSAntol, Glasovac, et al., 2003gas phase
Quantity Value Units Method Reference Comment
Deltar1528. ± 8.4kJ/molIMREAntol, Glasovac, et al., 2003gas phase

IR Spectrum

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

Data compiled by: Coblentz Society, Inc.

Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director


Mass spectrum (electron ionization)

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

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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 NIST Mass Spectrometry Data Center, 1998.
NIST MS number 291510

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, Reaction thermochemistry 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.

Speros and Rossini, 1960
Speros, D.M.; Rossini, F.D., Heats of combustion and formation of naphthalene, the two methylnaphthalenes, cis and trans decahydronaphthalene and related compounds, J. Phys. Chem., 1960, 64, 1723-1727. [all data]

Richardson and Parks, 1939
Richardson, J.W.; Parks, G.S., Thermal data on organic compounds. XIX. Modern combustion data for some non-volatile compounds containing carbon, hydrogen and oxygen, J. Am. Chem. Soc., 1939, 61, 3543-3546. [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]

McCullough, Finke, et al., 1957
McCullough, J.P.; Finke, H.L.; Messerly, J.F.; Kincheloe, T.C.; Waddington, G., The low temperature thermodynamic properties of naphthalene, 1-methylnaphthalene, 2-methylnaphthalene, 1,2,3,4-tetrahydronaphthalene, trans-decahydronaphthalene and cis-decahydronaphthalene, J. Phys. Chem., 1957, 61, 1105-1116. [all data]

Huffman, Parks, et al., 1931
Huffman, H.M.; Parks, G.S.; Barmore, M., Thermal data on organic compounds. X. Further studies on the heat capacities, entropies and free energies of hydrocarbons, J. Am. Chem. Soc., 1931, 53, 3876-3888. [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]

Richardson, 1939
Richardson, J.W., Precise determination of the heats of combustion of some representative organic compounds, Ph.D. Thesis for Standford University, 1939, 1-122. [all data]

McCullough, Finke, et al., 1957, 2
McCullough, J.P.; Finke, H.L.; Messerly, J.F.; Todd, S.S.; Kincheloe, T.C.; Waddington, G., The Low-Temperature Thermodynamic Properties of Naphthalene, 1-Methylnaphthalene, 2-Methylnaphthalene, 1,2,3,4-tetrahydro- naphthalene, trans-decahydronaphthalene and cis-Decahydronaphthalene, J. Phys. Chem., 1957, 61, 1105. [all data]

Huffman, Parks, et al., 1931, 2
Huffman, H.M.; Parks, G.S.; Barmore, M., Thermal Data on Organic Compounds X. Further Studies on the Heat Capacities, Entropies, and Free Energies of Hydrocarbons, J. Am. Chem. Soc., 1931, 53, 3876-88. [all data]

Tsonopoulos and Ambrose, 1995
Tsonopoulos, C.; Ambrose, D., Vapor-Liquid Critical Properties of Elements and Compounds. 3. Aromatic Hydrocarbons, J. Chem. Eng. Data, 1995, 40, 547-558. [all data]

Ambrose, 1963
Ambrose, D., Critical Temperatures of Some Phenols and Other Organic Compounds, Trans. Faraday Soc., 1963, 59, 1988. [all data]

Glaser and Ruland, 1957
Glaser, F.; Ruland, H., Untersuchungsen über dampfdruckkurven und kritische daten einiger technisch wichtiger organischer substanzen, Chem. Ing. Techn., 1957, 29, 772. [all data]

Sabbah, Chastel, et al., 1974
Sabbah, R.; Chastel, R.; Laffitte, M., Thermochemical study of methyl naphthalenes, Thermochim. Acta, 1974, 10, 353-358. [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]

Camin and Rossini, 1955
Camin, David L.; Rossini, Frederick D., Physical Properties of Fourteen API Research Hydrocarbons, C 9 to C 15, J. Phys. Chem., 1955, 59, 11, 1173-1179, https://doi.org/10.1021/j150533a014 . [all data]

Wieczorek and Kobayashi, 1981
Wieczorek, Stefan A.; Kobayashi, Riki, Vapor-pressure measurements of 1-methylnaphthalene, 2-methylnaphthalene, and 9,10-dihydrophenanthrene at elevated temperatures, J. Chem. Eng. Data, 1981, 26, 1, 8-11, https://doi.org/10.1021/je00023a005 . [all data]

Karyakin, Rabinovich, et al., 1968
Karyakin, N.V.; Rabinovich, I.B.; Pakhomov, L.G., Heats of sublimation of naphthalene and its monosubstituted «beta»-derivatives, Russ. J. Phys. Chem. (Engl. Transl.), 1968, 42, 954. [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]

Antol, Glasovac, et al., 2003
Antol, I.; Glasovac, Z.; Hare, M.C.; Eckert-Maksic, M.; Kass, S.R., On the acidity of cyclopropanaphthalenes - Gas phase and computational studies, Int. J. Mass Spectrom., 2003, 222, 1-3, 11-26, https://doi.org/10.1016/S1387-3806(02)00953-3 . [all data]


Notes

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