cyclobutene-1-ide anion
- Formula: C4H5-
- Molecular weight: 53.0830
- IUPAC Standard InChI: InChI=1S/C4H5/c1-2-4-3-1/h1H,2,4H2/q-1
- IUPAC Standard InChIKey: XUZNJNLJHBFSNT-UHFFFAOYSA-N
- Chemical structure:
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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 |
|---|---|---|---|
| 0.932 ± 0.087 | IMRB | Tian, Fattahi, et al., 2006 |
Protonation reactions
+
=
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 1693. ± 6.3 | kJ/mol | CIDC | Tian, Fattahi, et al., 2006 | gas phase |
| ΔrH° | 1661. ± 21. | kJ/mol | G+TS | Kass, Filley, et al., 1986 | gas phase |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 1659. ± 6.7 | kJ/mol | H-TS | Tian, Fattahi, et al., 2006 | gas phase |
| ΔrG° | 1628. ± 21. | kJ/mol | IMRB | Kass, Filley, et al., 1986 | 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.
Tian, Fattahi, et al., 2006
Tian, Z.X.; Fattahi, A.; Lis, L.; Kass, S.R.,
Cycloalkane and cycloalkene C-H bond dissociation energies,
J. Am. Chem. Soc., 2006, 128, 51, 17087-17092, https://doi.org/10.1021/ja065348u
. [all data]
Kass, Filley, et al., 1986
Kass, S.R.; Filley, J.; Van Doren, J.M.; DePuy, C.H.,
Nitrous oxide in gas-phase ion-molecule chemistry: A versatile reagent for the determination of carbanion structure,
J. Am. Chem. Soc., 1986, 108, 2849. [all data]
Notes
Go To: Top, 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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