norbornadienide anion
- Formula: C7H7-
- Molecular weight: 91.1310
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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
C7H7- + =
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 399.5 ± 1.8 | kcal/mol | G+TS | Lee and Squires, 1986 | gas phase; Between EtNH2, nPrNH2 |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 391.3 ± 1.5 | kcal/mol | IMRB | Lee and Squires, 1986 | gas phase; Between EtNH2, nPrNH2 |
| ΔrG° | 389.0 ± 5.0 | kcal/mol | IMRB | Wright and Beauchamp, 1981 | gas phase |
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
Electron affinity of neutral species
| EAneutral (eV) | Method | Reference | Comment |
|---|---|---|---|
| 1.2860 ± 0.0060 | LPES | Gunion, Karney, et al., 1996 |
Protonation reactions
C7H7- + =
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 399.5 ± 1.8 | kcal/mol | G+TS | Lee and Squires, 1986 | gas phase; Between EtNH2, nPrNH2 |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 391.3 ± 1.5 | kcal/mol | IMRB | Lee and Squires, 1986 | gas phase; Between EtNH2, nPrNH2 |
| ΔrG° | 389.0 ± 5.0 | kcal/mol | IMRB | Wright and Beauchamp, 1981 | gas phase |
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.
Lee and Squires, 1986
Lee, R.E.; Squires, R.R.,
Anionic homoaromaticity: A gas phase experimental study,
J. Am. Chem. Soc., 1986, 105, 5078. [all data]
Wright and Beauchamp, 1981
Wright, C.A.; Beauchamp, J.L.,
Infrared spectra of gas phase ions and their use in elucidating reaction mechanisms. Identification of C7H7- structural isomers by multiphoton electron detachment using a low-powered laser,
J. Am. Chem. Soc., 1981, 103, 6499. [all data]
Gunion, Karney, et al., 1996
Gunion, R.F.; Karney, W.; Wenthold, P.G.; Borden, W.T.; Lineberger, W.C.,
Ultraviolet Photoelectron Spectroscopy of Some C7H7- Isomers: Quadricyclanide, Norbornadienide, Cycloheptatrienide, and 1,6-Heptadiynide,
J. Am. Chem. Soc., 1996, 118, 21, 5074, https://doi.org/10.1021/ja954026f
. [all data]
Notes
Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, References
- 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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