Benzene, hexafluoro-
- Formula: C6F6
- Molecular weight: 186.0546
- IUPAC Standard InChIKey: ZQBFAOFFOQMSGJ-UHFFFAOYSA-N
- CAS Registry Number: 392-56-3
- 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: CP 28; Hexafluorobenzene; Perfluorobenzene; 1,2,3,4,5,6-Hexafluorobenzene
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Reaction thermochemistry data
Go To: Top, Mass spectrum (electron ionization), UV/Visible spectrum, 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
M - Michael M. Meot-Ner (Mautner) and Sharon G. Lias
RCD - Robert C. Dunbar
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
By formula: Cl- + C6F6 = (Cl- • C6F6)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 16.8 ± 1.0 | kcal/mol | TDAs | Chowdhury and Kebarle, 1986 | gas phase; B,M |
ΔrH° | 15.5 ± 1.0 | kcal/mol | TDAs | Hiraoka, Mizuse, et al., 1987 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 22.5 | cal/mol*K | PHPMS | Hiraoka, Mizuse, et al., 1987 | gas phase; M |
ΔrS° | 26.9 | cal/mol*K | PHPMS | Chowdhury and Kebarle, 1986 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 8.8 ± 1.6 | kcal/mol | TDAs | Chowdhury and Kebarle, 1986 | gas phase; B |
ΔrG° | 8.7 ± 1.6 | kcal/mol | TDAs | Hiraoka, Mizuse, et al., 1987 | gas phase; B |
By formula: C6H6+ + C6F6 = (C6H6+ • C6F6)
Bond type: Charge transfer bond (positive ion)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 12.1 | kcal/mol | PHPMS | Meot-Ner (Mautner), Hamlet, et al., 1978 | gas phase; Entropy change calculated or estimated; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 27. | cal/mol*K | N/A | Meot-Ner (Mautner), Hamlet, et al., 1978 | gas phase; Entropy change calculated or estimated; M |
Free energy of reaction
ΔrG° (kcal/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
4.0 | 300. | PHPMS | Meot-Ner (Mautner), Hamlet, et al., 1978 | gas phase; Entropy change calculated or estimated; M |
By formula: C6H7N+ + C6F6 = (C6H7N+ • C6F6)
Bond type: Charge transfer bond (positive ion)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 11.3 | kcal/mol | PHPMS | Meot-Ner (Mautner) and El-Shall, 1986 | gas phase; Entropy change calculated or estimated; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 26. | cal/mol*K | N/A | Meot-Ner (Mautner) and El-Shall, 1986 | gas phase; Entropy change calculated or estimated; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 3.5 | kcal/mol | PHPMS | Meot-Ner (Mautner) and El-Shall, 1986 | gas phase; Entropy change calculated or estimated; M |
By formula: C6F6- + C6F6 = (C6F6- • C6F6)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 9.4 ± 4.6 | kcal/mol | N/A | Nakajima, Taguwa, et al., 1993 | gas phase; Vertical Detachment Energy: 1.760±0.040 eV; B |
ΔrH° | 10.4 ± 1.0 | kcal/mol | TDAs | Hiraoka, Mizuse, et al., 1990 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 26.5 | cal/mol*K | PHPMS | Hiraoka, Mizuse, et al., 1990 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 2.5 ± 2.0 | kcal/mol | TDAs | Hiraoka, Mizuse, et al., 1990 | gas phase; B |
By formula: F- + C6F6 = (F- • C6F6)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 27.5 ± 1.0 | kcal/mol | TDAs | Hiraoka, Mizuse, et al., 1987, 2 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 23.7 | cal/mol*K | PHPMS | Hiraoka, Mizuse, et al., 1987 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 20.4 ± 1.6 | kcal/mol | TDAs | Hiraoka, Mizuse, et al., 1987, 2 | gas phase; B |
By formula: I- + C6F6 = (I- • C6F6)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 11.0 ± 1.0 | kcal/mol | TDAs | Hiraoka, Mizuse, et al., 1987 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 17.3 | cal/mol*K | PHPMS | Hiraoka, Mizuse, et al., 1987 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 5.8 ± 1.6 | kcal/mol | TDAs | Hiraoka, Mizuse, et al., 1987 | gas phase; B |
By formula: Br- + C6F6 = (Br- • C6F6)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 13.9 ± 1.0 | kcal/mol | TDAs | Hiraoka, Mizuse, et al., 1987 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 19.4 | cal/mol*K | PHPMS | Hiraoka, Mizuse, et al., 1987 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 8.1 ± 1.6 | kcal/mol | TDAs | Hiraoka, Mizuse, et al., 1987 | gas phase; B |
By formula: C6F6+ + C6F6 = (C6F6+ • C6F6)
Bond type: Charge transfer bond (positive ion)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 7.2 | kcal/mol | PHPMS | Hiraoka, Mizuse, et al., 1990 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 20.0 | cal/mol*K | PHPMS | Hiraoka, Mizuse, et al., 1990 | gas phase; M |
By formula: (Cl- • C6F6) + C6F6 = (Cl- • 2C6F6)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 13.8 | kcal/mol | PHPMS | Hiraoka, Mizuse, et al., 1987 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 26.3 | cal/mol*K | PHPMS | Hiraoka, Mizuse, et al., 1987 | gas phase; M |
By formula: (I- • C6F6) + C6F6 = (I- • 2C6F6)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 10.4 | kcal/mol | PHPMS | Hiraoka, Mizuse, et al., 1987 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 21.6 | cal/mol*K | PHPMS | Hiraoka, Mizuse, et al., 1987 | gas phase; M |
By formula: (Br- • C6F6) + C6F6 = (Br- • 2C6F6)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 12.2 | kcal/mol | PHPMS | Hiraoka, Mizuse, et al., 1987 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 24.3 | cal/mol*K | PHPMS | Hiraoka, Mizuse, et al., 1987 | gas phase; M |
By formula: (F- • C6F6) + C6F6 = (F- • 2C6F6)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 7.5 | kcal/mol | PHPMS | Hiraoka, Mizuse, et al., 1987 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 12.6 | cal/mol*K | PHPMS | Hiraoka, Mizuse, et al., 1987 | gas phase; M |
By formula: Au- + C6F6 = C6AuF6-
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 24.0 ± 4.0 | kcal/mol | N/A | Ho and Dunbar, 1999 | gas phase; B |
By formula: Cr+ + C6F6 = (Cr+ • C6F6)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 18.9 | kcal/mol | RAK | Ryzhov, 1999 | RCD |
Mass spectrum (electron ionization)
Go To: Top, Reaction thermochemistry data, UV/Visible spectrum, 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: NIST Mass Spectrometry Data Center, William E. Wallace, director
Spectrum
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Additional Data
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Due to licensing restrictions, this spectrum cannot be downloaded.
Owner | NIST Mass Spectrometry Data Center Collection (C) 2014 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
---|---|
Origin | Japan AIST/NIMC Database- Spectrum MS-NW-3049 |
NIST MS number | 231244 |
UV/Visible spectrum
Go To: Top, Reaction thermochemistry data, Mass spectrum (electron ionization), 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: Victor Talrose, Eugeny B. Stern, Antonina A. Goncharova, Natalia A. Messineva, Natalia V. Trusova, Margarita V. Efimkina
Spectrum
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Additional Data
View image of digitized spectrum (can be printed in landscape orientation).
View spectrum image in SVG format.
Download spectrum in JCAMP-DX format.
Source | Hitchcock, Fischer, et al., 1987 |
---|---|
Owner | INEP CP RAS, NIST OSRD Collection (C) 2007 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
Origin | INSTITUTE OF ENERGY PROBLEMS OF CHEMICAL PHYSICS, RAS |
Source reference | RAS UV No. 1398 |
Instrument | n.i.g. |
Melting point | 5.3 |
Boiling point | 80.2 |
References
Go To: Top, Reaction thermochemistry data, Mass spectrum (electron ionization), UV/Visible spectrum, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Chowdhury and Kebarle, 1986
Chowdhury, S.; Kebarle, P.,
Role of Binding Energies in A-.B and A.B- Complexes in the Kinetics of Gas Phase Electron Transfer Reactions:A- + B = A + B- Involving Perfluoro Compounds: SF6, C6F11CF3,
J. Chem. Phys., 1986, 85, 9, 4989, https://doi.org/10.1063/1.451687
. [all data]
Hiraoka, Mizuse, et al., 1987
Hiraoka, K.; Mizuse, S.; Yamabe, S.,
High Symmetric Structure of the Gas Phase Ion Cluster X-..C6F6 (X = Cl, Br, I),
J. Phys. Chem., 1987, 91, 20, 5294, https://doi.org/10.1021/j100304a032
. [all data]
Meot-Ner (Mautner), Hamlet, et al., 1978
Meot-Ner (Mautner), M.; Hamlet, P.; Hunter, E.P.; Field, F.H.,
Bonding Energies in Association Ions of Aromatic Molecules. Correlations with Ionization Energies,
J. Am. Chem. Soc., 1978, 100, 17, 5466, https://doi.org/10.1021/ja00485a034
. [all data]
Meot-Ner (Mautner) and El-Shall, 1986
Meot-Ner (Mautner), M.; El-Shall, M.S.,
Ionic Charge Transfer Complexes. 1. Cationic Complexes with Delocalized and Partially Localized pi Systems,
J. Am. Chem. Soc., 1986, 108, 15, 4386, https://doi.org/10.1021/ja00275a026
. [all data]
Nakajima, Taguwa, et al., 1993
Nakajima, A.; Taguwa, T.; Hoshino, K.; Sugioka, T.; Naganuma, T.; Ono, F.; Watanabe, K.; Nakao, K.,
Photoelectron Spectroscopy of (C6F6)n- and (Au-C6F6)- Clusters,
Chem. Phys. Lett., 1993, 214, 1, 22, https://doi.org/10.1016/0009-2614(93)85449-X
. [all data]
Hiraoka, Mizuse, et al., 1990
Hiraoka, K.; Mizuse, S.; Yamabe, S.,
Stabilities and Structures of C6F6-(C6F6) and C6F6+(C6F6),
J. Phys. Chem., 1990, 94, 9, 3689, https://doi.org/10.1021/j100372a061
. [all data]
Hiraoka, Mizuse, et al., 1987, 2
Hiraoka, K.; Mizuse, S.; Yamabe, S.,
A Determination of the Stability and Structure of F-(C6H6) and F-(C6F6) Clusters,
J. Chem. Phys., 1987, 86, 7, 4102, https://doi.org/10.1063/1.451920
. [all data]
Ho and Dunbar, 1999
Ho, Y.P.; Dunbar, R.C.,
Reactions of Au+ and Au- with benzene and fluorine-substituted benzenes,
Int. J. Mass Spectrom., 1999, 183, 175-184, https://doi.org/10.1016/S1387-3806(98)14245-8
. [all data]
Ryzhov, 1999
Ryzhov, V.,
Binding Energies of Chromium Cations with Fluorobenzenes from Radiative Association Kinetics,
Int. J. Mass Spectrom., 1999, 185/186/187, 913. [all data]
Hitchcock, Fischer, et al., 1987
Hitchcock, H.P.; Fischer, P.; Gedanken, A.; Robin, M.B.,
Antibonding α valence MOs in the inner-shell and outer-shell spectra of the fluorobenzenes,
J. Phys. Chem., 1987, 91, 531-540. [all data]
Notes
Go To: Top, Reaction thermochemistry data, Mass spectrum (electron ionization), UV/Visible spectrum, References
- Symbols used in this document:
T Temperature ΔrG° Free energy of reaction at standard conditions ΔrH° Enthalpy of reaction at standard conditions ΔrS° Entropy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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