Carbon anion
- Formula: C2-
- Molecular weight: 24.0219
- IUPAC Standard InChI: InChI=1S/CH3/h1H3/q-1
- IUPAC Standard InChIKey: LGRLWUINFJPLSH-UHFFFAOYSA-N
- CAS Registry Number: 50802-47-6
- 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 as indicated in comments:
B - John E. Bartmess
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°gas | 119.3 ± 3.8 | kcal/mol | R-EA | Ervin, Gronert, et al., 1990 | B |
| ΔfH°gas | <197.5 ± 4.6 | kcal/mol | EIAE | Collin and Locht, 1970 | From ketene; B |
| Quantity | Value | Units | Method | Reference | Comment |
| S°gas,1 bar | 46.989 | cal/mol*K | Review | Chase, 1998 | Data last reviewed in December, 1969 |
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.
Ervin, Gronert, et al., 1990
Ervin, K.M.; Gronert, S.; Barlow, S.E.; Gilles, M.K.; Harrison, A.G.; Bierbaum, V.M.; DePuy, C.H.; Lin, W.C.,
Bonds Strengths of Ethylene and Acetylene,
J. Am. Chem. Soc., 1990, 112, 15, 5750, https://doi.org/10.1021/ja00171a013
. [all data]
Collin and Locht, 1970
Collin, J.E.; Locht, R.,
Positive and negative ion formation in ketene by electron impact,
Intern. J. Mass Spectrom. Ion Phys., 1970, 3, 465. [all data]
Chase, 1998
Chase, M.W., Jr.,
NIST-JANAF Themochemical Tables, Fourth Edition,
J. Phys. Chem. Ref. Data, Monograph 9, 1998, 1-1951. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, References
- Symbols used in this document:
S°gas,1 bar Entropy of gas at standard conditions (1 bar) ΔfH°gas Enthalpy of formation of gas at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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