Benzene, 1-fluoro-3-methyl-

Data at NIST subscription sites:

NIST subscription sites provide data under the NIST Standard Reference Data Program, but require an annual fee to access. The purpose of the fee is to recover costs associated with the development of data collections included in such sites. Your institution may already be a subscriber. Follow the links above to find out more about the data in these sites and their terms of usage.


Reaction thermochemistry data

Go To: Top, Gas phase ion energetics 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

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-3-methyl-

By formula: C7H6F- + H+ = C7H7F

Quantity Value Units Method Reference Comment
Δr375.3 ± 2.1kcal/molG+TSCaldwell and Bartmessgas phase; value altered from reference due to change in acidity scale
Quantity Value Units Method Reference Comment
Δr368.2 ± 2.0kcal/molIMRECaldwell and Bartmessgas phase; value altered from reference due to change in acidity scale

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 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
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)187.7kcal/molN/AHunter and Lias, 1998HL
Quantity Value Units Method Reference Comment
Gas basicity180.7kcal/molN/AHunter and Lias, 1998HL

Ionization energy determinations

IE (eV) Method Reference Comment
8.92 ± 0.01PIWatanabe, Nakayama, et al., 1962RDSH

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
C7H6F+11.9 ± 0.1HEITait, Shannon, et al., 1962RDSH

De-protonation reactions

C7H6F- + Hydrogen cation = Benzene, 1-fluoro-3-methyl-

By formula: C7H6F- + H+ = C7H7F

Quantity Value Units Method Reference Comment
Δr375.3 ± 2.1kcal/molG+TSCaldwell and Bartmessgas phase; value altered from reference due to change in acidity scale; B
Quantity Value Units Method Reference Comment
Δr368.2 ± 2.0kcal/molIMRECaldwell and Bartmessgas phase; value altered from reference due to change in acidity scale; 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.

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Caldwell, G.; Bartmess, J.E., , Unpublished results.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

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]

Tait, Shannon, et al., 1962
Tait, J.M.S.; Shannon, T.W.; Harrison, A.G., The structure of substituted C7 ions from benzyl derivatives at the appearance potential threshold, J. Am. Chem. Soc., 1962, 84, 4. [all data]


Notes

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