(CO2)3..CO3 radical anion
- Formula: C4O9-
- Molecular weight: 192.0379
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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 | -1756.2 | kJ/mol | Ther | Hiraoka and Yamabe, 1992 |
Ion clustering 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
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Clustering reactions
C3O7- + 3 = C4O9-
By formula: C3O7- + 3CO2 = C4O9-
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 23. ± 4.2 | kJ/mol | TDAs | Hiraoka and Yamabe, 1992 | gas phase |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | -4.6 ± 4.2 | kJ/mol | TDAs | Hiraoka and Yamabe, 1992 | gas phase |
C4O9- + 4 = C5O11-
By formula: C4O9- + 4CO2 = C5O11-
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 22. ± 4.2 | kJ/mol | TDAs | Hiraoka and Yamabe, 1992 | gas phase |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | -6.3 ± 4.2 | kJ/mol | TDAs | Hiraoka and Yamabe, 1992 | gas phase |
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.
Hiraoka and Yamabe, 1992
Hiraoka, K.; Yamabe, S.,
Formation of the Chelate Bonds in the Cluster O2(-)(CO2)n, CO3(-)(CO2)n, and NO2(-)(CO2)n,
J. Chem. Phys., 1992, 97, 1, 643, https://doi.org/10.1063/1.463560
. [all data]
Notes
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- Symbols used in this document:
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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