Benzonitrile, 4-(trifluoromethyl)-
- Formula: C8H4F3N
- Molecular weight: 171.1193
- IUPAC Standard InChI: InChI=1S/C8H4F3N/c9-8(10,11)7-3-1-6(5-12)2-4-7/h1-4H
- IUPAC Standard InChIKey: DRNJIKRLQJRKMM-UHFFFAOYSA-N
- CAS Registry Number: 455-18-5
- 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: p-Cyanobenzotrifluoride; p-Tolunitrile, α,α,α-trifluoro-; p-(Trifluoromethyl)benzonitrile; 4-Trifluoromethylbenzonitrile; α,α,α-Trifluoro-p-toluonitrile; Benzonitrile, p-(trifluoromethyl)-; p-Tolunitrile, alpha,alpha,alpha-trifluoro-; 4-Trifluoromethylbenzoic acid nitrile; α,α,α-trifluoro-4-toluonitrile
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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:
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
B - John E. Bartmess
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| Proton affinity (review) | 787.2 | kJ/mol | N/A | Hunter and Lias, 1998 | HL |
| Quantity | Value | Units | Method | Reference | Comment |
| Gas basicity | 758.3 | kJ/mol | N/A | Hunter and Lias, 1998 | HL |
Electron affinity determinations
| EA (eV) | Method | Reference | Comment |
|---|---|---|---|
| 0.759 ± 0.087 | TDEq | Chowdhury and Kebarle, 1986 | ΔGea(423 K) = -18.6 kcal/mol; ΔSea = +2.6 eu.; B |
Ionization energy determinations
| IE (eV) | Method | Reference | Comment |
|---|---|---|---|
| 10.61 ± 0.05 | EI | Buchs, 1970 | RDSH |
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]
Chowdhury and Kebarle, 1986
Chowdhury, S.; Kebarle, P.,
Electron affinities of di- and tetracyanoethylene and cyanobenzenes based on measurements of gas-phase electron transfer equilibria,
J. Am. Chem. Soc., 1986, 108, 5453. [all data]
Buchs, 1970
Buchs, A.,
Etude par spectrometrie de masse de l'ionisation de benzonitriles, de phenylacetonitriles et de N,N-dimethylanilines substitues,
Helv. Chim. Acta, 1970, 53, 2026. [all data]
Notes
Go To: Top, Gas phase ion energetics data, References
- Symbols used in this document:
EA Electron affinity - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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