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Benzene, 1,2,4,5-tetrafluoro-

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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
Deltafgas-646.8 ± 3.4kJ/molCcrHarrop and Head, 1978 

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
Deltafliquid-683.8 ± 3.2kJ/molCcrHarrop and Head, 1978ALS
Quantity Value Units Method Reference Comment
Deltacliquid-2679.0 ± 1.7kJ/molCcrHarrop and Head, 1978ALS
Quantity Value Units Method Reference Comment
liquid250.4J/mol*KN/AAndon and Martin, 1973DH

Constant pressure heat capacity of liquid

Cp,liquid (J/mol*K) Temperature (K) Reference Comment
192.2298.15Andon and Martin, 1973T = 10 to 350 K.; DH

Reaction thermochemistry data

Go To: Top, Gas phase thermochemistry data, Condensed 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:
M - Michael M. Meot-Ner (Mautner) and Sharon G. Lias
B - John E. Bartmess
RCD - Robert C. Dunbar

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

C6H6+ + Benzene, 1,2,4,5-tetrafluoro- = (C6H6+ bullet Benzene, 1,2,4,5-tetrafluoro-)

By formula: C6H6+ + C6H2F4 = (C6H6+ bullet C6H2F4)

Bond type: Charge transfer bond (positive ion)

Quantity Value Units Method Reference Comment
Deltar50.2kJ/molPHPMSMeot-Ner (Mautner), Hamlet, et al., 1978gas phase; M
Quantity Value Units Method Reference Comment
Deltar110.J/mol*KPHPMSMeot-Ner (Mautner), Hamlet, et al., 1978gas phase; M

C6HF4- + Hydrogen cation = Benzene, 1,2,4,5-tetrafluoro-

By formula: C6HF4- + H+ = C6H2F4

Quantity Value Units Method Reference Comment
Deltar1513. ± 8.8kJ/molG+TSBuker, Nibbering, et al., 1997gas phase; B
Quantity Value Units Method Reference Comment
Deltar1478. ± 8.4kJ/molIMREBuker, Nibbering, et al., 1997gas phase; B

Chromium ion (1+) + Benzene, 1,2,4,5-tetrafluoro- = (Chromium ion (1+) bullet Benzene, 1,2,4,5-tetrafluoro-)

By formula: Cr+ + C6H2F4 = (Cr+ bullet C6H2F4)

Quantity Value Units Method Reference Comment
Deltar111.kJ/molRAKRyzhov, 1999RCD

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.

Harrop and Head, 1978
Harrop, D.; Head, A.J., Thermodynamic properties of fluorine compounds. 18. Enthalpy of combustion of 1,2,4,5-tetrafluorobenzene, J. Chem. Thermodyn., 1978, 10, 705-706. [all data]

Andon and Martin, 1973
Andon, R.J.L.; Martin, J.F., Thermodynamic properties of fluorine compounds. Part 11. Low-temperature heat capacities of the three tetrafluorobenzenes, J. Chem. Soc. Faraday Trans., 1973, I 69, 761-770. [all data]

Meot-Ner (Mautner), Hamlet, et al., 1978
Meot-Ner (Mautner), M.; Hamlet, P.; Hunter, E.P.; Field, F.H., Bonding Energies in Association Ions of Aromatic Molecules. Correlations with Ionization Energies, J. Am. Chem. Soc., 1978, 100, 17, 5466, https://doi.org/10.1021/ja00485a034 . [all data]

Buker, Nibbering, et al., 1997
Buker, H.H.; Nibbering, N.M.M.; Espinosa, D.; Mongin, F.; Schlosser, M., Additivity of substituent effects in the fluoroarene series: Equilibrium acidity in the gas phase and deprotonation rates in ethereal solution, Tetrahed. Lett., 1997, 38, 49, 8519-8522, https://doi.org/10.1016/S0040-4039(97)10303-3 . [all data]

Ryzhov, 1999
Ryzhov, V., Binding Energies of Chromium Cations with Fluorobenzenes from Radiative Association Kinetics, Int. J. Mass Spectrom., 1999, 185/186/187, 913. [all data]


Notes

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