Benzenamine, 3-(trifluoromethyl)-
- Formula: C7H6F3N
- Molecular weight: 161.1244
- IUPAC Standard InChIKey: VIUDTWATMPPKEL-UHFFFAOYSA-N
- CAS Registry Number: 98-16-8
- 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: m-Toluidine, α,α,α-trifluoro-; α,α,α-Trifluoro-m-toluidine; m-(Trifluoromethyl)aniline; m-Amino-α,α,α-trifluorotoluene; m-Aminobenzal fluoride; m-Aminobenzotrifluoride; 1-Amino-3-(trifluoromethyl)benzene; 3-(Trifluoromethyl)aniline; 3-(Trifluoromethyl)benzenamine; 3-Aminobenzotrifluoride; 3-Trifluromethylaniline; Toluene, 3-amino-α,α,α-trifluoro-,; USAF ma-4; m-Abtf; UN 2948; NSC 4540
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Condensed phase 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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°liquid | -163.96 | kcal/mol | Ccb | Swarts, 1909 | |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°liquid | -830.95 | kcal/mol | Ccb | Swarts, 1919 | Not corrected for CODATA value of ΔfH |
ΔcH°liquid | -825.8 | kcal/mol | Ccb | Swarts, 1909 |
Phase change 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 as indicated in comments:
BS - Robert L. Brown and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 460.2 | K | N/A | Aldrich Chemical Company Inc., 1990 | BS |
Tboil | 459. to 460. | K | N/A | Frinton Laboratories Inc., 1986 | BS |
Reduced pressure boiling point
Tboil (K) | Pressure (atm) | Reference | Comment |
---|---|---|---|
358.8 | 0.026 | PCR Inc., 1990 | BS |
Enthalpy of vaporization
ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
12.7 | 349. | A | Stephenson and Malanowski, 1987 | Based on data from 334. to 464. K. See also Kardon and Saylor, 1953 and Dykyj, Svoboda, et al., 1999.; AC |
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 as indicated in comments:
B - John E. Bartmess
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
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
C7H5F3N- + =
By formula: C7H5F3N- + H+ = C7H6F3N
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 356.9 ± 2.1 | kcal/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° | 349.6 ± 2.0 | kcal/mol | IMRE | Bartmess, Scott, et al., 1979 | gas phase; value altered from reference due to change in acidity scale; B |
By formula: C15H10F6N2O = C8H4F3NO + C7H6F3N
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 46.7 ± 1.5 | kcal/mol | Eqk | Chimishkyan, Svetlova, et al., 1984 | solid phase; Dissociation; ALS |
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
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Proton affinity (review) | 204.8 | kcal/mol | N/A | Hunter and Lias, 1998 | HL |
Quantity | Value | Units | Method | Reference | Comment |
Gas basicity | 197.2 | kcal/mol | N/A | Hunter and Lias, 1998 | HL |
De-protonation reactions
C7H5F3N- + =
By formula: C7H5F3N- + H+ = C7H6F3N
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 356.9 ± 2.1 | kcal/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° | 349.6 ± 2.0 | kcal/mol | IMRE | Bartmess, Scott, et al., 1979 | gas phase; value altered from reference due to change in acidity scale; B |
References
Go To: Top, Condensed phase thermochemistry data, Phase change data, 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.
Swarts, 1909
Swarts, M.F.,
Sur la chaleur de formation de quelquesuns compounds organiques fluords,
Recl. Trav. Chim. Pays-Bas, 1909, 28, 143-154. [all data]
Swarts, 1919
Swarts, F.,
Etudes thermochimiques sur les combinaisons organiques fluorees,
J. Chim. Phys., 1919, 17, 3-70. [all data]
Aldrich Chemical Company Inc., 1990
Aldrich Chemical Company Inc.,
Catalog Handbook of Fine Chemicals, Aldrich Chemical Company, Inc., Milwaukee WI, 1990, 1. [all data]
Frinton Laboratories Inc., 1986
Frinton Laboratories Inc.,
Catalog Number 11, Frinton Laboratories Inc., Vineland, NJ, 1986, 99. [all data]
PCR Inc., 1990
PCR Inc.,
Research Chemicals Catalog 1990-1991, PCR Inc., Gainesville, FL, 1990, 1. [all data]
Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw,
Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2
. [all data]
Kardon and Saylor, 1953
Kardon, Samuel; Saylor, John H.,
The Vapor Pressures of Some Substituted Benzotrifluorides 1,
J. Am. Chem. Soc., 1953, 75, 8, 1997-1997, https://doi.org/10.1021/ja01104a512
. [all data]
Dykyj, Svoboda, et al., 1999
Dykyj, J.; Svoboda, J.; Wilhoit, R.C.; Frenkel, M.L.; Hall, K.R.,
Vapor Pressure of Chemicals: Part A. Vapor Pressure and Antoine Constants for Hydrocarbons and Sulfur, Selenium, Tellurium and Hydrogen Containing Organic Compounds, Springer, Berlin, 1999, 373. [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]
Chimishkyan, Svetlova, et al., 1984
Chimishkyan, A.L.; Svetlova, L.P.; Leonova, T.V.; Gluyaev, N.D.,
Thermal decomposition of substituted ureas,
J. Gen. Chem. USSR, 1984, 54, 1317-1320. [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]
Notes
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- Symbols used in this document:
Tboil Boiling point ΔcH°liquid Enthalpy of combustion of liquid at standard conditions ΔfH°liquid Enthalpy of formation of liquid at standard conditions ΔrG° Free energy of reaction at standard conditions ΔrH° Enthalpy of reaction at standard conditions ΔvapH Enthalpy of vaporization - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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