p-difluorophenide anion


Gas phase ion energetics 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

Electron affinity of neutral species

EAneutral (eV) Method Reference Comment
2.05 ± 0.19D-EABriscese and Riveros, 1975< MeOH, <= EtOH; value altered from reference due to change in acidity scale

Protonation reactions

C6H3F2- + Hydrogen cation = Benzene, 1,4-difluoro-

By formula: C6H3F2- + H+ = C6H4F2

Quantity Value Units Method Reference Comment
Δr380.2 ± 2.1kcal/molG+TSBuker, Nibbering, et al., 1997gas phase
Δr379.8 ± 3.1kcal/molG+TSBriscese and Riveros, 1975gas phase; < MeOH, <= EtOH; value altered from reference due to change in acidity scale
Quantity Value Units Method Reference Comment
Δr372.1 ± 2.0kcal/molIMREBuker, Nibbering, et al., 1997gas phase
Δr371.7 ± 3.0kcal/molIMRBBriscese and Riveros, 1975gas phase; < MeOH, <= EtOH; value altered from reference due to change in acidity scale

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.

Briscese and Riveros, 1975
Briscese, S.M.J.; Riveros, J.M., Gas phase nucleophilic reactions of aromatic systems, J. Am. Chem. Soc., 1975, 97, 230. [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]


Notes

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