Carbon anion
- Formula: C-
- Molecular weight: 12.0112
- IUPAC Standard InChI: InChI=1S/CH3/h1H3/q-1
- IUPAC Standard InChIKey: LGRLWUINFJPLSH-UHFFFAOYSA-N
- CAS Registry Number: 14337-00-9
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
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Gas phase thermochemistry data
Go To: Top, Reaction thermochemistry data, References, Notes
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 | 142.24 ± 0.27 | kcal/mol | Acid | Scheer, Bilodeau, et al., 1998 | Given: 1.262119(20) eV; B |
| Quantity | Value | Units | Method | Reference | Comment |
| S°gas,1 bar | 36.181 | cal/mol*K | Review | Chase, 1998 | Data last reviewed in March, 1983 |
Reaction thermochemistry data
Go To: Top, Gas phase thermochemistry data, References, Notes
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
M - Michael M. Meot-Ner (Mautner) and Sharon G. Lias
Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.
Individual Reactions
+
=
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 365.54 ± 0.17 | kcal/mol | D-EA | Scheer, Bilodeau, et al., 1998 | gas phase; Given: 1.262119(20) eV; B |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 360.00 ± 0.27 | kcal/mol | H-TS | Scheer, Bilodeau, et al., 1998 | gas phase; Given: 1.262119(20) eV; B |
( • 2
) +
= (
• 3
)
By formula: (C- • 2C) + C = (C- • 3C)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 168. ± 2. | kcal/mol | MS | Pargellis, 1990 | gas phase; equilibrium cluster distributions from sputtering; M |
( • 3
) +
= (
• 4
)
By formula: (C- • 3C) + C = (C- • 4C)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 150. ± 5. | kcal/mol | MS | Pargellis, 1990 | gas phase; equilibrium cluster distributions from sputtering; M |
( •
) +
= (
• 2
)
By formula: (C- • C) + C = (C- • 2C)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 150. ± 2. | kcal/mol | MS | Pargellis, 1990 | gas phase; equilibrium cluster distributions from sputtering; M |
( • 4
) +
= (
• 5
)
By formula: (C- • 4C) + C = (C- • 5C)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 171. | kcal/mol | MS | Pargellis, 1990 | gas phase; equilibrium cluster distributions from sputtering; M |
( • 5
) +
= (
• 6
)
By formula: (C- • 5C) + C = (C- • 6C)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 155. | kcal/mol | MS | Pargellis, 1990 | gas phase; equilibrium cluster distributions from sputtering; M |
( • 6
) +
= (
• 7
)
By formula: (C- • 6C) + C = (C- • 7C)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 164. | kcal/mol | MS | Pargellis, 1990 | gas phase; equilibrium cluster distributions from sputtering; M |
( • 7
) +
= (
• 8
)
By formula: (C- • 7C) + C = (C- • 8C)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 157. | kcal/mol | MS | Pargellis, 1990 | gas phase; equilibrium cluster distributions from sputtering; M |
( • 8
) +
= (
• 9
)
By formula: (C- • 8C) + C = (C- • 9C)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 159. | kcal/mol | MS | Pargellis, 1990 | gas phase; equilibrium cluster distributions from sputtering; M |
+
= (
•
)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 194. ± 2. | kcal/mol | MS | Pargellis, 1990 | gas phase; equilibrium cluster distributions from sputtering; M |
References
Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Scheer, Bilodeau, et al., 1998
Scheer, M.; Bilodeau, R.C.; Brodie, C.A.; Haugen, H.K.,
Systematic study of the stable states of C-, Si-, Ge-, and Sn- via infrared laser spectroscopy,
Phys. Rev. A, 1998, 58, 4, 2844-2856, https://doi.org/10.1103/PhysRevA.58.2844
. [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]
Pargellis, 1990
Pargellis, A.N.,
Estimating Carbon Cluster Binding Energies from Measured Cn Distributions, n <= 10,
J. Chem. Phys., 1990, 93, 3, 2099, https://doi.org/10.1063/1.459035
. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Reaction 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 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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