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Naphthalene, 2,3-dimethyl-

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Gas 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:
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
Deltafgas76.1 ± 2.0kJ/molCcbColomina, Jimenez, et al., 1979ALS
Deltafgas79.9kJ/molN/AGood, 1973Value computed using «DELTA»fHsolid° value of -2.3±1.1 kj/mol from Good, 1973 and «DELTA»subH° value of 82.2 kj/mol from Colomina, Jimenez, et al., 1979.; DRB

Constant pressure heat capacity of gas

Cp,gas (J/mol*K) Temperature (K) Reference Comment
42.250.Thermodynamics Research Center, 1997p=1 bar. Among all statistically calculated values of S(T) for methyl- and dimethylnaphthalenes [ Thermodynamics Research Center, 1997], only for 2,3-dimethylnaphthalene calculated values are substantially different from experimental ones.; GT
72.7100.
101.7150.
130.4200.
173.3273.15
188.0298.15
189.1300.
244.9400.
292.8500.
332.2600.
364.6700.
391.4800.
414.0900.
433.01000.
449.1100.
463.1200.
475.1300.
485.1400.
494.1500.

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:
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
Deltafsolid-6.1 ± 1.9kJ/molCcbColomina, Jimenez, et al., 1979ALS
Deltafsolid-2.3 ± 1.1kJ/molCcbGood, 1973crystal phase; ALS
Quantity Value Units Method Reference Comment
Deltacsolid-6431.0 ± 1.1kJ/molCcbColomina, Jimenez, et al., 1979Corresponding «DELTA»fsolid = -6.09 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS
Deltacsolid-6434.78 ± 0.88kJ/molCcbGood, 1973crystal phase; Corresponding «DELTA»fsolid = -2.3 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS
Quantity Value Units Method Reference Comment
solid,1 bar225.853J/mol*KN/AMesserly, Finke, et al., 1988crystaline, I phase; DH

Constant pressure heat capacity of solid

Cp,solid (J/mol*K) Temperature (K) Reference Comment
215.298.Sciesinski, Godlewska, et al., 1989T = 100 to 350 K. Cp value estimated from graph.; DH
216.466298.15Messerly, Finke, et al., 1988crystaline, I phase; T = 10 to 400 K.; 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.

Colomina, Jimenez, et al., 1979
Colomina, M.; Jimenez, P.; Roux, M.V.; Turrion, C., Thermochemical properties of naphthalene derivatives. V. Formation enthalpies of 2,3-dimethylnaphthalene and 2,3-dihydroxynaphthalene, An. Quim., 1979, 75, 620-624. [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]

Messerly, Finke, et al., 1988
Messerly, J.F.; Finke, H.L.; Good, W.D.; Gammon, B.E., Condensed-phase heat capacities and derived thermodynamic properties for 1,4-dimethylbenzene, 1,2-diphenylethane, and 2,3-dimethylnaphthalene, J. Chem. Thermodynam., 1988, 20, 485-501. [all data]

Sciesinski, Godlewska, et al., 1989
Sciesinski, J.; Godlewska, M.; Witko, W., An adiabatic calrimetry study of the polymorphism of 2,3-dimethylnaphthalene, J. Phys.: Condens. Matter, 1989, 1(22), 3545-3550. [all data]


Notes

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