p-Fluoroaniline
- Formula: C6H6FN
- Molecular weight: 111.1169
- IUPAC Standard InChI: InChI=1S/C6H6FN/c7-5-1-3-6(8)4-2-5/h1-4H,8H2
- IUPAC Standard InChIKey: KRZCOLNOCZKSDF-UHFFFAOYSA-N
- CAS Registry Number: 371-40-4
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
The 3d structure may be viewed using Java or Javascript. - Other names: Benzenamine, 4-fluoro-; Aniline, p-fluoro-; p-Fluorophenylamine; 4-Fluoroaniline; 4-Fluoronaniline; 4-Fluorobenzenamine; Aniline, 4-fluoro-; 1-Amino-4-fluorobenzene; 4-Fluoranilin; UN 2944; NSC 579
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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
Data compiled as indicated in comments:
B - John E. Bartmess
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard
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 C6H6FN+ (ion structure unspecified)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| Proton affinity (review) | 871.5 | kJ/mol | N/A | Hunter and Lias, 1998 | HL |
| Quantity | Value | Units | Method | Reference | Comment |
| Gas basicity | 839.7 | kJ/mol | N/A | Hunter and Lias, 1998 | HL |
Ionization energy determinations
| IE (eV) | Method | Reference | Comment |
|---|---|---|---|
| 7.9 ± 0.1 | CTS | Farrell and Newton, 1966 | RDSH |
| 8.18 | PE | Furin, Sultanov, et al., 1987 | Vertical value; LBLHLM |
| 8.18 | PE | Palmer, Moyes, et al., 1979 | Vertical value; LLK |
De-protonation reactions
C6H5FN- + =
By formula: C6H5FN- + H+ = C6H6FN
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 1524. ± 8.8 | kJ/mol | G+TS | Bartmess, Scott, et al., 1979 | gas phase; value altered from reference due to change in acidity scale; B |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 1494. ± 8.4 | kJ/mol | IMRE | Bartmess, Scott, et al., 1979 | gas phase; value altered from reference due to change in acidity scale; B |
References
Go To: Top, 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.
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]
Farrell and Newton, 1966
Farrell, P.G.; Newton, J.,
Ionization potentials of primary aromatic amines and aza-hydrocarbons,
Tetrahedron Lett., 1966, 5517. [all data]
Furin, Sultanov, et al., 1987
Furin, G.G.; Sultanov, A.S.; Furlei, I.I.,
Photoelectronic spectra of fluorine-containing aromatic amines,
Dokl. Phys. Chem., 1987, 530. [all data]
Palmer, Moyes, et al., 1979
Palmer, M.H.; Moyes, W.; Spiers, M.; Ridyard, J.N.A.,
The electronic structure of substituted benzenes; a study of aniline, the toluidines, phenylenediamines and fluoroanilines by photoelectron spectroscopy and ab initio calculations,
J. Mol. Struct., 1979, 53, 235. [all data]
Bartmess, Scott, et al., 1979
Bartmess, J.E.; Scott, J.A.; McIver, R.T., Jr.,
The gas phase acidity scale from methanol to phenol,
J. Am. Chem. Soc., 1979, 101, 6047. [all data]
Notes
Go To: Top, Gas phase ion energetics data, References
- Symbols used in this document:
ΔrG° Free energy of reaction at standard conditions ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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