2,4-dimethylenecyclobutan-1-ide anion
- Formula: C6H7-
- Molecular weight: 79.1203
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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 |
|---|---|---|---|
| 1.1405 ± 0.0087 | CIDC | Hill and Squires, 1998 |
Protonation reactions
C6H7- + =
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 366.6 ± 3.1 | kcal/mol | G+TS | Hill and Squires, 1998 | gas phase; acidity between MeCHO, (FCH2)2CHOH. Reprotonate to conjugated form, ΔGacid=361.9, IMRB |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 358.5 ± 3.0 | kcal/mol | IMRB | Hill and Squires, 1998 | gas phase; acidity between MeCHO, (FCH2)2CHOH. Reprotonate to conjugated form, ΔGacid=361.9, IMRB |
References
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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Hill and Squires, 1998
Hill, B.T.; Squires, R.R.,
Synthesis and Characterization of the Negative Ion of non-Kekule` Benzene,
J. Chem. Soc. Perkin Trans., 1998, 2, 5, 1027, https://doi.org/10.1039/a707470k
. [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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