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C6F5 anion


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

C6F5- + Hydrogen cation = Benzene, pentafluoro-

By formula: C6F5- + H+ = C6HF5

Quantity Value Units Method Reference Comment
Deltar1492. ± 8.8kJ/molG+TSBuker, Nibbering, et al., 1997gas phase
Deltar<1559.6 ± 1.3kJ/molG+TSHerd, Adams, et al., 1989gas phase; More acidic than HF, less than HCl
Deltar1539. ± 21.kJ/molD-EACompton and Reinhardt, 1982gas phase; From perfluorobenzene
Quantity Value Units Method Reference Comment
Deltar1460. ± 8.4kJ/molIMREBuker, Nibbering, et al., 1997gas phase
Deltar<1527.2kJ/molIMRBHerd, Adams, et al., 1989gas phase; More acidic than HF, less than HCl
Deltar1507. ± 21.kJ/molH-TSCompton and Reinhardt, 1982gas phase; From perfluorobenzene

Gas phase ion energetics data

Go To: Top, Reaction 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 by: John E. Bartmess

Electron affinity of neutral species

EAneutral (eV) Method Reference Comment
3.18 ± 0.13D-EABuker, Nibbering, et al., 1997 
>2.487 ± 0.088D-EAHerd, Adams, et al., 1989More acidic than HF, less than HCl
2.70 ± 0.20NBAECompton and Reinhardt, 1982From perfluorobenzene
2.74495SIPage and Goode, 1969The Magnetron method, lacking mass analysis, is not considered reliable.

Protonation reactions

C6F5- + Hydrogen cation = Benzene, pentafluoro-

By formula: C6F5- + H+ = C6HF5

Quantity Value Units Method Reference Comment
Deltar1492. ± 8.8kJ/molG+TSBuker, Nibbering, et al., 1997gas phase
Deltar<1559.6 ± 1.3kJ/molG+TSHerd, Adams, et al., 1989gas phase; More acidic than HF, less than HCl
Deltar1539. ± 21.kJ/molD-EACompton and Reinhardt, 1982gas phase; From perfluorobenzene
Quantity Value Units Method Reference Comment
Deltar1460. ± 8.4kJ/molIMREBuker, Nibbering, et al., 1997gas phase
Deltar<1527.2kJ/molIMRBHerd, Adams, et al., 1989gas phase; More acidic than HF, less than HCl
Deltar1507. ± 21.kJ/molH-TSCompton and Reinhardt, 1982gas phase; From perfluorobenzene

References

Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

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]

Herd, Adams, et al., 1989
Herd, C.R.; Adams, N.G.; Smith, D., FALP Studies of Electron Attachment Reactions of C6F5Cl, C6F5Br, and C6F5I, Int. J. Mass Spectrom. Ion Proc., 1989, 87, 3, 331, https://doi.org/10.1016/0168-1176(89)80032-1 . [all data]

Compton and Reinhardt, 1982
Compton, R.N.; Reinhardt, P.W., Collisonal ionization between fast alkali atoms and hexafluorobenzene, Chem. Phys. Lett., 1982, 91, 268. [all data]

Page and Goode, 1969
Page, F.M.; Goode, G.C., Negative Ions and the Magnetron., Wiley, NY, 1969. [all data]


Notes

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