Benzene, pentafluoromethoxy-
- Formula: C7H3F5O
- Molecular weight: 198.0901
- IUPAC Standard InChIKey: ZRQUIRABLIQJRI-UHFFFAOYSA-N
- CAS Registry Number: 389-40-2
- 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: Pentafluoroanisole; 2,3,4,5,6-Pentafluoroanisole; Anisole, 2,3,4,5,6-pentafluoro-; Methyl pentafluorophenyl ether; Pentafluorophenyl methyl ether
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Gas phase ion energetics data
Go To: Top, Ion clustering data, 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:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
B - John E. Bartmess
Electron affinity determinations
EA (eV) | Method | Reference | Comment |
---|---|---|---|
0.542 ± 0.087 | ECD | Hernandez-Gill, Wentworth, et al., 1984 | B |
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
9.10 ± 0.02 | PE | Maier and Turner, 1973 | LLK |
Ion clustering 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: Michael M. Meot-Ner (Mautner) and Sharon G. Lias
Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. Searches may be limited to ion clustering reactions. A general reaction search form is also available.
Clustering reactions
By formula: F- + C7H3F5O = (F- • C7H3F5O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 157. | kJ/mol | PHPMS | Dillow and Kebarle, 1988 | gas phase; switching reaction,Thermochemical ladder(F-)C6F6, Entropy change calculated or estimated; Hiraoka, Mizuse, et al., 1987 |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 84.1 | J/mol*K | N/A | Dillow and Kebarle, 1988 | gas phase; switching reaction,Thermochemical ladder(F-)C6F6, Entropy change calculated or estimated; Hiraoka, Mizuse, et al., 1987 |
Free energy of reaction
ΔrG° (kJ/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
121. | 423. | PHPMS | Dillow and Kebarle, 1988 | gas phase; switching reaction,Thermochemical ladder(F-)C6F6, Entropy change calculated or estimated; Hiraoka, Mizuse, et al., 1987 |
Mass spectrum (electron ionization)
Go To: Top, Gas phase ion energetics data, Ion clustering 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-IW-2372 |
NIST MS number | 238901 |
UV/Visible spectrum
Go To: Top, Gas phase ion energetics data, Ion clustering 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
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Source | Forbes, Richardson, et al., 1959 |
---|---|
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. 197 |
Instrument | Spectrophotometer SF-16 |
Melting point | -37 |
Boiling point | 138.5 |
References
Go To: Top, Gas phase ion energetics data, Ion clustering 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.
Hernandez-Gill, Wentworth, et al., 1984
Hernandez-Gill, N.; Wentworth, W.E.; Chen, E.C.M.,
Electron affinities of fluorinated phenoxy radicals,
J. Phys. Chem., 1984, 88, 6181. [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]
Dillow and Kebarle, 1988
Dillow, G.W.; Kebarle, P.,
Fluoride Affinities of Perfluorobenzenes C6F5X. Meisenheimer Complexes in the Gas Phase and Solution,
J. Am. Chem. Soc., 1988, 110, 15, 4877, https://doi.org/10.1021/ja00223a001
. [all data]
Hiraoka, Mizuse, et al., 1987
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]
Forbes, Richardson, et al., 1959
Forbes, E.J.; Richardson, R.D.; Stacey, M.; Tatlow, J.C.,
Aromatic polyfluoro-compounds. Part II. Pentafluorophenol,
J. Chem. Soc., 1959, 2019-2021. [all data]
Notes
Go To: Top, Gas phase ion energetics data, Ion clustering data, Mass spectrum (electron ionization), UV/Visible spectrum, References
- Symbols used in this document:
EA Electron affinity 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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