C19H12
- Formula: C19H12
- Molecular weight: 240.2986
- CAS Registry Number: 205-94-7
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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
De-protonation reactions
C19H11- + = C19H12
By formula: C19H11- + H+ = C19H12
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 332.5 ± 2.1 | kcal/mol | G+TS | Taft and Bordwell, 1988 | gas phase; Acid HOF: 104.7 MMX; 123.4 AM1; 92 G3MP2B3 |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 324.9 ± 2.0 | kcal/mol | IMRE | Taft and Bordwell, 1988 | gas phase; Acid HOF: 104.7 MMX; 123.4 AM1; 92 G3MP2B3 |
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.
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]
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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