2',3',4',5',6'-Pentafluoroacetophenone


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 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 ± 0.11IMREDillow and Kebarle, 1989ΔGea(423 K) = -21.7±1.0 kcal/mol , assumed entropy = 3.5 eu; B

Ionization energy determinations

IE (eV) Method Reference Comment
11.25EIMajer and Patrick, 1963RDSH
10.26PEFurin, Zibarev, et al., 1989Vertical value; LL

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
C6F5+16.7?EIMajer and Patrick, 1963RDSH
C7OF5+11.25?EIMajer and Patrick, 1963RDSH

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: John E. Bartmess

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

Fluorine anion + 2',3',4',5',6'-Pentafluoroacetophenone = (Fluorine anion • 2',3',4',5',6'-Pentafluoroacetophenone)

By formula: F- + C8H3F5O = (F- • C8H3F5O)

Quantity Value Units Method Reference Comment
Δr157. ± 8.4kJ/molIMREDillow and Kebarle, 1988gas phase; Anchored to C6F6..F- in Hiraoka, Mizuse, et al., 1987
Quantity Value Units Method Reference Comment
Δr121. ± 8.4kJ/molIMREDillow and Kebarle, 1988gas phase; Anchored to C6F6..F- in Hiraoka, Mizuse, et al., 1987

Mass spectrum (electron ionization)

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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: NIST Mass Spectrometry Data Center, William E. Wallace, director

Spectrum

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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 NIST Mass Spectrometry Data Center
NIST MS number 340936

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References

Go To: Top, Gas phase ion energetics data, Ion clustering data, Mass spectrum (electron ionization), Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

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]

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]


Notes

Go To: Top, Gas phase ion energetics data, Ion clustering data, Mass spectrum (electron ionization), References