Benzene, 1,4-difluoro-

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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:
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
Δfliquid-81.81 ± 0.25kcal/molCcrGood, Lacina, et al., 1962Corrected for CODATA value of ΔfH; ALS
Quantity Value Units Method Reference Comment
Δcliquid-704.68 ± 0.13kcal/molCcrGood, Lacina, et al., 1962Corrected for CODATA value of ΔfH; ALS
Δcliquid-706.1kcal/molCcbSwarts, 1919Not corrected for CODATA value of ΔfH; ALS

Constant pressure heat capacity of liquid

Cp,liquid (cal/mol*K) Temperature (K) Reference Comment
38.03298.15Lichanot, 1991T = 186 to 324 K. Cp(liq) = 155.192 + 0.158T(°C) J/mol*K (-35 to 51°C). Cp value calculated from equation.; DH
37.64298.15Good, Lacina, et al., 1962DH

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.

Good, Lacina, et al., 1962
Good, W.D.; Lacina, J.L.; Scott, D.W.; McCullough, J.P., Combustion calorimetry of organic fluorine compounds. The heats of combustion and formation of the difluorobenzenes, 4-fluorotoluene and m-trifluorotoluic acid, J. Phys. Chem., 1962, 66, 1529-1532. [all data]

Swarts, 1919
Swarts, F., Etudes thermochimiques sur les combinaisons organiques fluorees, J. Chim. Phys., 1919, 17, 3-70. [all data]

Lichanot, 1991
Lichanot, A., Heat capacities of fluroaniline, fluorophenol and difluorobenzene in condensed phase, Thermochim. Acta, 1991, 177, 265-272. [all data]


Notes

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