Naphthalene, 1,8-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
Δfgas108.8 ± 3.0kJ/molCcbMansson, 1974Author was aware that data differs from previously reported values; ALS
Δfgas108.6kJ/molN/AGood, 1973Value computed using ΔfHsolid° value of 25.9±1.2 kj/mol from Good, 1973 and ΔsubH° 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.

References

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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]


Notes

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