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Naphthalene, 2-methyl-

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Gas phase thermochemistry data

Go To: Top, Condensed phase thermochemistry 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 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
Deltafgas27.75 ± 0.62kcal/molCcbSperos and Rossini, 1960Hfusion=2.83±0.01; ALS
Deltafgas25.38kcal/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 (cal/mol*K) Temperature (K) Reference Comment
10.350.Thermodynamics Research Center, 1997p=1 bar.; GT
14.8100.
19.3150.
24.67200.
33.72273.15
36.95298.15
37.19300.
49.64400.
60.28500.
68.95600.
76.00700.
81.81800.
86.64900.
90.681000.
94.21100.
97.01200.
99.71300.
102.1400.
103.1500.

Condensed phase thermochemistry data

Go To: Top, Gas phase thermochemistry 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 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
liquid52.579cal/mol*KN/AMcCullough, Finke, et al., 1957DH
liquid48.71cal/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
Deltafsolid10.72 ± 0.35kcal/molCcbSperos and Rossini, 1960Hfusion=2.83±0.01; ALS
Deltafsolid8.36 ± 0.53kcal/molCcbRichardson and Parks, 1939Reanalyzed by Cox and Pilcher, 1970, Original value = 7.99 kcal/mol; see Richardson, 1939; ALS
Quantity Value Units Method Reference Comment
Deltacsolid-1386.88 ± 0.35kcal/molCcbSperos and Rossini, 1960Hfusion=2.83±0.01; Corresponding «DELTA»fsolid = 10.74 kcal/mol (simple calculation by NIST; no Washburn corrections); ALS
Deltacsolid-1384.50 ± 0.52kcal/molCcbRichardson and Parks, 1939Reanalyzed by Cox and Pilcher, 1970, Original value = -1383.91 kcal/mol; see Richardson, 1939; Corresponding «DELTA»fsolid = 8.36 kcal/mol (simple calculation by NIST; no Washburn corrections); ALS

Constant pressure heat capacity of liquid

Cp,liquid (cal/mol*K) Temperature (K) Reference Comment
46.840298.15McCullough, Finke, et al., 1957T = 10 to 400 K.; DH
54.49310.4Huffman, Parks, et al., 1931T = 94 to 310 K. Value is unsmoothed experimental datum.; DH

References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, 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]


Notes

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, References