Benzenamine, 2,3,4,5,6-pentafluoro-
- Formula: C6H2F5N
- Molecular weight: 183.0788
- IUPAC Standard InChIKey: NOXLGCOSAFGMDV-UHFFFAOYSA-N
- CAS Registry Number: 771-60-8
- Chemical structure:
This structure is also available as a 2d Mol file - Other names: Aniline, 2,3,4,5,6-pentafluoro-; Pentafluoroaniline; Pentafluorophenylamine; 2,3,4,5,6-Pentafluoroaniline; Aminopentafluorobenzene; 1-Amino-2,3,4,5,6-pentafluorobenzene
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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
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos
CAL - James S. Chickos, William E. Acree, Jr., Joel F. Liebman, Students of Chem 202 (Introduction to the Literature of Chemistry), University of Missouri -- St. Louis
DH - Eugene S. Domalski and Elizabeth D. Hearing
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 426. | K | N/A | PCR Inc., 1990 | BS |
Tboil | 426.7 | K | N/A | Weast and Grasselli, 1989 | BS |
Quantity | Value | Units | Method | Reference | Comment |
Ttriple | 306.75 | K | N/A | Paukov, Lavrent'eva, et al., 1969 | Crystal phase 1 phase; Uncertainty assigned by TRC = 0.03 K; TRC |
Enthalpy of fusion
ΔfusH (kcal/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
3.411 | 306.8 | Domalski and Hearing, 1996 | AC |
Entropy of fusion
ΔfusS (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
3.277 | 287.4 | Domalski and Hearing, 1996 | CAL |
11.12 | 306.8 |
Enthalpy of phase transition
ΔHtrs (kcal/mol) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
---|---|---|---|---|---|
0.9419 | 287.4 | crystaline, II | crystaline, I | Paukov, Lavrent'eva, et al., 1969, 2 | DH |
3.4099 | 306.75 | crystaline, I | liquid | Paukov, Lavrent'eva, et al., 1969, 2 | DH |
Entropy of phase transition
ΔStrs (cal/mol*K) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
---|---|---|---|---|---|
3.277 | 287.4 | crystaline, II | crystaline, I | Paukov, Lavrent'eva, et al., 1969, 2 | DH |
11.12 | 306.75 | crystaline, I | liquid | Paukov, Lavrent'eva, et al., 1969, 2 | DH |
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
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
C6HF5N- + =
By formula: C6HF5N- + H+ = C6H2F5N
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 348.6 ± 2.1 | kcal/mol | G+TS | Koppel, Taft, et al., 1994 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 341.3 ± 2.0 | kcal/mol | IMRE | Koppel, Taft, et al., 1994 | gas phase |
Gas phase ion energetics data
Go To: Top, Phase change data, 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 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
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
8.40 ± 0.02 | PE | Maier and Turner, 1973 | LLK |
8.60 | PE | Debies and Rabalais, 1973 | LLK |
8.90 | PE | Furin, Sultanov, et al., 1987 | Vertical value; LBLHLM |
8.90 | PE | Debies and Rabalais, 1973 | Vertical value; LLK |
De-protonation reactions
C6HF5N- + =
By formula: C6HF5N- + H+ = C6H2F5N
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 348.6 ± 2.1 | kcal/mol | G+TS | Koppel, Taft, et al., 1994 | gas phase; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 341.3 ± 2.0 | kcal/mol | IMRE | Koppel, Taft, et al., 1994 | gas phase; B |
References
Go To: Top, 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.
PCR Inc., 1990
PCR Inc.,
Research Chemicals Catalog 1990-1991, PCR Inc., Gainesville, FL, 1990, 1. [all data]
Weast and Grasselli, 1989
CRC Handbook of Data on Organic Compounds, 2nd Editon, Weast,R.C and Grasselli, J.G., ed(s)., CRC Press, Inc., Boca Raton, FL, 1989, 1. [all data]
Paukov, Lavrent'eva, et al., 1969
Paukov, I.E.; Lavrent'eva, M.N.; Anisimov, M.P.,
Heat capacity at low temperatures, phase transition, entropy and enthalpy of pentafluoroaniline,
Zh. Fiz. Khim., 1969, 43, 2941-3. [all data]
Domalski and Hearing, 1996
Domalski, Eugene S.; Hearing, Elizabeth D.,
Heat Capacities and Entropies of Organic Compounds in the Condensed Phase. Volume III,
J. Phys. Chem. Ref. Data, 1996, 25, 1, 1, https://doi.org/10.1063/1.555985
. [all data]
Paukov, Lavrent'eva, et al., 1969, 2
Paukov, I.E.; Lavrent'eva, M.N.; Anisimov, M.P.,
Heat capacity at low temperatrues, phase transitions, entropy and enthalpy of pentafluoroaniline,
Zhur. Fiz. Khim., 1969, 43, 2941-2943. [all data]
Koppel, Taft, et al., 1994
Koppel, I.A.; Taft, R.W.; Anvia, F.; Zhu, S.Z.; Hu, L.Q.; Sung, K.S.; Desmarteau, D.D.; Yagupolskii, L.M.,
The Gas-Phase Acidities of Very Strong Neutral Bronsted Acids,
J. Am. Chem. Soc., 1994, 116, 7, 3047, https://doi.org/10.1021/ja00086a038
. [all data]
Maier and Turner, 1973
Maier, J.P.; Turner, D.W.,
Steric inhibition of resonance studied by molecular photoelectron spectroscopy Part 3. Anilines, Phenols and Related Compounds,
J. Chem. Soc. Faraday Trans. 2, 1973, 69, 521. [all data]
Debies and Rabalais, 1973
Debies, T.P.; Rabalais, J.W.,
Photoelectron spectra of substituted benzenes. II. Seven valence electron substituents,
J. Electron Spectrosc. Relat. Phenom., 1973, 1, 355. [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]
Notes
Go To: Top, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, References
- Symbols used in this document:
Tboil Boiling point Ttriple Triple point temperature ΔHtrs Enthalpy of phase transition ΔStrs Entropy of phase transition ΔfusH Enthalpy of fusion ΔfusS Entropy of fusion 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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