2',3',4',5',6'-Pentafluoroacetophenone
- Formula: C8H3F5O
- Molecular weight: 210.1008
- IUPAC Standard InChIKey: FBGHCYZBCMDEOX-UHFFFAOYSA-N
- CAS Registry Number: 652-29-9
- 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: 2,3,4,5,6-Pentafluoroacetophenone; Pentafluoroacetophenone; Ethanone, 1-(pentafluorophenyl)-; Acetophenone, 2',3',4',5',6'-pentafluoro-
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Reaction thermochemistry data
Go To: Top, Gas phase ion energetics 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 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
By formula: F- + C8H3F5O = (F- • C8H3F5O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 157. ± 8.4 | kJ/mol | IMRE | Dillow and Kebarle, 1988 | gas phase; Anchored to C6F6..F- in Hiraoka, Mizuse, et al., 1987 |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 121. ± 8.4 | kJ/mol | IMRE | Dillow and Kebarle, 1988 | gas phase; Anchored to C6F6..F- in Hiraoka, Mizuse, et al., 1987 |
Gas phase ion energetics data
Go To: Top, 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:
LL - Sharon G. Lias and Joel F. Liebman
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
B - John E. Bartmess
Electron affinity determinations
EA (eV) | Method | Reference | Comment |
---|---|---|---|
0.88 ± 0.11 | IMRE | Dillow and Kebarle, 1989 | ΔGea(423 K) = -21.7±1.0 kcal/mol , assumed entropy = 3.5 eu; B |
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
11.25 | EI | Majer and Patrick, 1963 | RDSH |
10.26 | PE | Furin, Zibarev, et al., 1989 | Vertical value; LL |
Appearance energy determinations
Ion | AE (eV) | Other Products | Method | Reference | Comment |
---|---|---|---|---|---|
C6F5+ | 16.7 | ? | EI | Majer and Patrick, 1963 | RDSH |
C7OF5+ | 11.25 | ? | EI | Majer and Patrick, 1963 | RDSH |
References
Go To: Top, 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.
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]
Dillow and Kebarle, 1989
Dillow, G.W.; Kebarle, P.,
Substituent Effects on the Electron Affinities of Perfluorobenzenes C6F5X,
J. Am. Chem. Soc., 1989, 111, 15, 5592, https://doi.org/10.1021/ja00197a014
. [all data]
Majer and Patrick, 1963
Majer, J.R.; Patrick, C.R.,
Appearance potentials of the benzoyl radical-ion,
J. Chem. Soc. Faraday Trans., 1963, 59, 1274. [all data]
Furin, Zibarev, et al., 1989
Furin, G.G.; Zibarev, A.V.; Sultanov, A.Sh.; Furlei, I.I.,
Order and structure of the outer valence Mo's of some derivatives of pentafluorobenzene,
Bull. Acad. Sci. USSR, Div. Chem. Sci., 1989, 4, 772. [all data]
Notes
Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, References
- Symbols used in this document:
AE Appearance energy EA Electron affinity 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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