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Diazene, bis(4-methoxyphenyl)-, 1-oxide

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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
Deltafsolid-24.24 ± 0.62kcal/molCcbAcree, Tucker, et al., 1993ALS
Quantity Value Units Method Reference Comment
Deltacsolid-1770.7 ± 0.45kcal/molCcbAcree, Tucker, et al., 1993ALS

Constant pressure heat capacity of liquid

Cp,liquid (cal/mol*K) Temperature (K) Reference Comment
136.400.Kreutzer, 1938Value a few degrees below anisotropic-isotropic liquid-liquid transition at 409 K.; DH

Constant pressure heat capacity of solid

Cp,solid (cal/mol*K) Temperature (K) Reference Comment
90.89368.Barral, Porter, et al., 1967T = 368 to 423 K.; DH

References

Go To: Top, 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.

Acree, Tucker, et al., 1993
Acree, W.E., Jr.; Tucker, S.A.; Pilcher, G.; Paz Andrade, M.I.; Ribeiro da Silva, M.D.M.C., Enthalpies of combustion of p-azoxyanisole p-azoxyphenetole: the dissociation enthalpy of the N-O bonds. Enthalpies of crystal-to-(liquid crystal) transitions, J. Chem. Thermodyn., 1993, 25, 653-659. [all data]

Kreutzer, 1938
Kreutzer, C., Kalorimetrische Messungen beim Übergang von der anisotropen zur isotropen flüssigen Phase, Ann. Physik. [5]33, 1938, 192-209. [all data]

Barral, Porter, et al., 1967
Barral, E.M., II; Porter, R.S.; Johnson, J.F., Specific heats of nematic, smectic, and cholesteric liquid crystals by differential scanning calorimetry, J. Phys. Chem., 1967, 71, 895-900. [all data]


Notes

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