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 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
Protonation reactions
+
= C2H
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | >349.0 ± 3.6 | kcal/mol | D-EA | Arnold, Bradforth, et al., 1991 | gas phase |
| ΔrH° | <375.8 ± 2.3 | kcal/mol | G+TS | Schiff and Bohme, 1975 | gas phase; No reaction with acetylene |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | >341.7 ± 3.8 | kcal/mol | H-TS | Arnold, Bradforth, et al., 1991 | gas phase |
| ΔrG° | <368.5 ± 2.0 | kcal/mol | IMRB | Schiff and Bohme, 1975 | gas phase; No reaction with acetylene |
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.
Arnold, Bradforth, et al., 1991
Arnold, D.W.; Bradforth, S.E.; Kitsopoulos, T.N.; Neumark, D.M.,
Vibrationally Resolved Spectra of C2-C11 by Anion Photoelectron Spectroscopy,
J. Chem. Phys., 1991, 95, 12, 8753, https://doi.org/10.1063/1.461211
. [all data]
Schiff and Bohme, 1975
Schiff, H.I.; Bohme, D.K.,
Flowing afterglow studies at York University,
Int. J. Mass Spectrom. Ion Phys., 1975, 16, 167. [all data]
Notes
Go To: Top, Gas phase ion energetics data, References
- Symbols used in this document:
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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