Benzene, 1-fluoro-2-methyl-

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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

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Individual Reactions

C7H6F- + Hydrogen cation = Benzene, 1-fluoro-2-methyl-

By formula: C7H6F- + H+ = C7H7F

Quantity Value Units Method Reference Comment
Δr1571. ± 13.kJ/molD-EAKim, Wenthold, et al., 1999gas phase
Quantity Value Units Method Reference Comment
Δr1541. ± 13.kJ/molH-TSKim, Wenthold, et al., 1999gas phase

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 evaluated as indicated in comments:
HL - Edward P. Hunter and Sharon G. Lias
L - Sharon G. Lias

Data compiled as indicated in comments:
B - John E. Bartmess
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron

View reactions leading to C7H7F+ (ion structure unspecified)

Quantity Value Units Method Reference Comment
IE (evaluated)8.91 ± 0.01eVN/AN/AL
Quantity Value Units Method Reference Comment
Proton affinity (review)773.3kJ/molN/AHunter and Lias, 1998HL
Quantity Value Units Method Reference Comment
Gas basicity743.8kJ/molN/AHunter and Lias, 1998HL

Ionization energy determinations

IE (eV) Method Reference Comment
8.907 ± 0.008EQLias and Ausloos, 1978LLK
8.92 ± 0.01PIWatanabe, Nakayama, et al., 1962RDSH

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
C7H6F+12.3HEIYeo and Williams, 1970RDSH

De-protonation reactions

C7H6F- + Hydrogen cation = Benzene, 1-fluoro-2-methyl-

By formula: C7H6F- + H+ = C7H7F

Quantity Value Units Method Reference Comment
Δr1571. ± 13.kJ/molD-EAKim, Wenthold, et al., 1999gas phase; B
Quantity Value Units Method Reference Comment
Δr1541. ± 13.kJ/molH-TSKim, Wenthold, et al., 1999gas phase; B

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.

Kim, Wenthold, et al., 1999
Kim, J.B.; Wenthold, P.G.; Lineberger, W.C., Ultraviolet photoelectron spectroscopy of o-, m-, and p-halobenzyl anions, J. Phys. Chem. A, 1999, 103, 50, 10833-10841, https://doi.org/10.1021/jp992817o . [all data]

Hunter and Lias, 1998
Hunter, E.P.; Lias, S.G., Evaluated Gas Phase Basicities and Proton Affinities of Molecules: An Update, J. Phys. Chem. Ref. Data, 1998, 27, 3, 413-656, https://doi.org/10.1063/1.556018 . [all data]

Lias and Ausloos, 1978
Lias, S.G.; Ausloos, P.J., eIonization energies of organic compounds by equilibrium measurements, J. Am. Chem. Soc., 1978, 100, 6027. [all data]

Watanabe, Nakayama, et al., 1962
Watanabe, K.; Nakayama, T.; Mottl, J., Ionization potentials of some molecules, J. Quant. Spectry. Radiative Transfer, 1962, 2, 369. [all data]

Yeo and Williams, 1970
Yeo, A.N.H.; Williams, D.H., Rearrangement in the molecular ions of halogenotoluenes prior to fragmentation in the mass spectrometer, Chem. Commun., 1970, 886. [all data]


Notes

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