Benzene, 1-fluoro-4-methyl-

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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 by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Quantity Value Units Method Reference Comment
Δfgas-35.25 ± 0.02kcal/molCcrGood, Lacina, et al., 1962Corrected for CODATA value of ΔfH

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-44.67 ± 0.02kcal/molCcrGood, Lacina, et al., 1962Corrected for CODATA value of ΔfH; ALS
Quantity Value Units Method Reference Comment
Δcliquid-895.60 ± 0.17kcal/molCcrGood, Lacina, et al., 1962Corrected for CODATA value of ΔfH; Reanalyzed by Cox and Pilcher, 1970, Original value = -894.67 ± 0.17 kcal/mol; ALS
Δcliquid-902.95kcal/molCcbSwarts, 1919Not corrected for CODATA value of ΔfH; ALS
Quantity Value Units Method Reference Comment
liquid56.671cal/mol*KN/AScott, Messerly, et al., 1962DH

Constant pressure heat capacity of liquid

Cp,liquid (cal/mol*K) Temperature (K) Reference Comment
41.52298.15Meva'a and Lichanot, 1990T = 216 to 298 K. Cp(liq) = 164.969 + 0.350T J/mol*K (-57 to 25 C).; DH
41.18298.15Good, Lacina, et al., 1962DH
40.911298.15Scott, Messerly, et al., 1962T = 13 to 361 K.; DH

Reaction 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 by: John E. Bartmess

Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.

Individual Reactions

C7H6F- + Hydrogen cation = Benzene, 1-fluoro-4-methyl-

By formula: C7H6F- + H+ = C7H7F

Quantity Value Units Method Reference Comment
Δr379.5 ± 2.1kcal/molG+TSCaldwell and Bartmessgas phase; value altered from reference due to change in acidity scale
Quantity Value Units Method Reference Comment
Δr372.4 ± 2.0kcal/molIMRECaldwell and Bartmessgas phase; value altered from reference due to change in acidity scale

References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Reaction thermochemistry data, Notes

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]

Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G., Thermochemistry of Organic and Organometallic Compounds, Academic Press, New York, 1970, 1-636. [all data]

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

Scott, Messerly, et al., 1962
Scott, D.W.; Messerly, J.F.; Todd, S.S.; Hossenlopp, I.A.; Douslin, D.R.; McCullough, J.P., 4-Fluorotoluene: Chemical thermodynamic properties, vibrational assignment, and internal rotation, J. Chem. Phys., 1962, 37, 867-873. [all data]

Meva'a and Lichanot, 1990
Meva'a, L.M.; Lichanot, A., Proprietes thermodynamiques en phase condensee des ortho, meta et para fluorotoluene, cresol et toluidine, Thermochim. Acta, 1990, 158, 335-345. [all data]

Caldwell and Bartmess
Caldwell, G.; Bartmess, J.E., , Unpublished results. [all data]


Notes

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