Propadienylidene anion
- Formula: C3H2-
- Molecular weight: 38.0485
- IUPAC Standard InChI: InChI=1S/C3H/c1-3-2/h1H/q-1
- IUPAC Standard InChIKey: DLCRZFMBVSKRAX-UHFFFAOYSA-N
- CAS Registry Number: 82906-05-6
- Chemical structure:
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Gas phase 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
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°gas | 87.1 ± 5.6 | kcal/mol | R-EA | Robinson, Polak, et al., 1995 | neutral triplet state: 29.7±0.2 kcal/mol up |
| ΔfH°gas | <45.60 | kcal/mol | IMRB | Dawson and Jennings, 1976 | O- + allene ->. |
References
Go To: Top, Gas phase thermochemistry data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Robinson, Polak, et al., 1995
Robinson, M.S.; Polak, M.L.; Bierbaum, V.M.; DePuy, C.H.; Lineberger, W.C.,
Experimental Studies of Allene, Methylacetylene, and the Propargyl Radical: Bond Dissociation Energies, Gas-Phase Acidities, and Ion-Molecule Chemistry,
J. Am. Chem. Soc., 1995, 117, 25, 6766, https://doi.org/10.1021/ja00130a017
. [all data]
Dawson and Jennings, 1976
Dawson, J.H.J.; Jennings, K.R.,
Production of gas phase radical anions by reaction of O-. Ions with organic substrates,
J. Chem. Soc. Faraday Trans. 2, 1976, 72, 700. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, References
- Symbols used in this document:
ΔfH°gas Enthalpy of formation of gas at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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