9-anthryl-CH2 anion
- Formula: C15H11-
- Molecular weight: 191.2484
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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
Electron affinity of neutral species
| EAneutral (eV) | Method | Reference | Comment |
|---|---|---|---|
| 1.44 ± 0.12 | D-EA | Bartmess and Griffiths, 1990 | Isomer 9-methylene-9,10-dihydroanthracene: ΔG=349.0±3.0, ΔS=27.0, ΔH=357.1;DH: Zhang, Bordwell, et al., 1993 |
Protonation reactions
C15H11- + =
By formula: C15H11- + H+ = C15H12
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 362.2 ± 2.4 | kcal/mol | G+TS | Bartmess and Griffiths, 1990 | gas phase; Isomer 9-methylene-9,10-dihydroanthracene: ΔG=349.0±3.0, ΔS=27.0, ΔH=357.1;DH: Zhang, Bordwell, et al., 1993 |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 355.1 ± 2.3 | kcal/mol | IMRE | Bartmess and Griffiths, 1990 | gas phase; Isomer 9-methylene-9,10-dihydroanthracene: ΔG=349.0±3.0, ΔS=27.0, ΔH=357.1;DH: Zhang, Bordwell, et al., 1993 |
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.
Bartmess and Griffiths, 1990
Bartmess, J.E.; Griffiths, S.S.,
Tautomerization Energetics of Benzoannelated Toluenes,
J. Am. Chem. Soc., 1990, 112, 8, 2932, https://doi.org/10.1021/ja00164a014
. [all data]
Zhang, Bordwell, et al., 1993
Zhang, X.M.; Bordwell, F.G.; Bares, J.E.; Cheng, J.P.; Petrie, B.C.,
Homolytic Bond Dissociation Energies of the Acidic C-H Bonds in alpha-Substituted and 10-Substituted 9-Methylanthracenes and Their Related Radical Anions,
J. Org. Chem., 1993, 58, 11, 3051, https://doi.org/10.1021/jo00063a025
. [all data]
Notes
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- Symbols used in this document:
EAneutral Electron affinity of neutral species 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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