fluorenide anion
- Formula: C13H9-
- Molecular weight: 165.2111
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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 by: John E. Bartmess
Protonation reactions
C13H9- + =
By formula: C13H9- + H+ = C13H10
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 350.5 ± 2.0 | kcal/mol | D-EA | Römer, Janaway, et al., 1997 | gas phase |
| ΔrH° | 351.7 ± 2.1 | kcal/mol | G+TS | Taft and Bordwell, 1988 | gas phase |
| ΔrH° | 353.3 ± 2.6 | kcal/mol | G+TS | Cumming and Kebarle, 1978 | gas phase |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 342.7 ± 2.1 | kcal/mol | H-TS | Römer, Janaway, et al., 1997 | gas phase |
| ΔrG° | 344.0 ± 2.0 | kcal/mol | IMRE | Taft and Bordwell, 1988 | gas phase |
| ΔrG° | 345.5 ± 2.0 | kcal/mol | IMRE | Cumming and Kebarle, 1978 | gas phase |
References
Go To: Top, 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.
Römer, Janaway, et al., 1997
Römer, B.; Janaway, G.; Brauman, J.I.,
Cyclopentadienyl, Indenyl, and Fluorenyl Anions: Gas-Phase and Solvation Energy Contributions to Electron Detachment Energies,
J. Am. Chem. Soc., 1997, 119, 9, 2249, https://doi.org/10.1021/ja961947x
. [all data]
Taft and Bordwell, 1988
Taft, R.W.; Bordwell, F.G.,
Structural and Solvent Effects Evaluated from Acidities Measured in Dimethyl Sulfoxide and in the Gas Phase,
Acc. Chem. Res., 1988, 21, 12, 463, https://doi.org/10.1021/ar00156a005
. [all data]
Cumming and Kebarle, 1978
Cumming, J.B.; Kebarle, P.,
Summary of gas phase measurements involving acids AH. Entropy changes in proton transfer reactions involving negative ions. Bond dissociation energies D(A-H) and electron affinities EA(A),
Can. J. Chem., 1978, 56, 1. [all data]
Notes
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- Symbols used in this document:
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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