C19H12
- Formula: C19H12
- Molecular weight: 240.2986
- CAS Registry Number: 205-94-7
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Reaction thermochemistry 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
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Individual 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 |
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 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, 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.
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
Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, References
- 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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