Co4(CO)12
- Formula: C12Co4O12
- Molecular weight: 571.8540
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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: José A. Martinho Simões
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°gas | -1748. ± 15. | kJ/mol | Review | Martinho Simões | |
| ΔfH°gas | -1747. ± 14. | kJ/mol | Review | Martinho Simões | |
| ΔfH°gas | -1747. ± 11. | kJ/mol | Review | Martinho Simões | Selected data. Average of the values from Connor, Skinner, et al., 1973 |
Reaction 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: José A. Martinho Simões
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
2 (solution) = C12Co4O12 (solution) + 4
(solution)
By formula: 2C8Co2O8 (solution) = C12Co4O12 (solution) + 4CO (solution)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 123.4 ± 2.1 | kJ/mol | EqS | Bor and Dietler, 1980 | solvent: Hexane; Temperature range: 378-418 K |
C12Co4O12 (cr) = 12 (g) + 4
(cr)
By formula: C12Co4O12 (cr) = 12CO (g) + 4Co (cr)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 518. ± 14. | kJ/mol | TD-HFC | Connor, Skinner, et al., 1973 | |
| ΔrH° | 516. ± 14. | kJ/mol | HAL-HFC | Connor, Skinner, et al., 1973 |
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.
Martinho Simões
Martinho Simões, J.A.,
Private communication (see http://webbook.nist.gov/chemistry/om/). [all data]
Connor, Skinner, et al., 1973
Connor, J.A.; Skinner, H.A.; Virmani, Y.,
High temperature microcalorimetric studies of the thermal decomposition and iodination of polynuclear carbonyls of Fe, Co, Ru, Rh, Re, Os and Ir,
Faraday Symp. Chem. Soc., 1973, 8, 18, https://doi.org/10.1039/fs9730800018
. [all data]
Bor and Dietler, 1980
Bor, G.; Dietler, U.K.,
J. Organometal. Chem., 1980, 191, 295. [all data]
Notes
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- Symbols used in this document:
ΔfH°gas Enthalpy of formation of gas at standard conditions ΔrH° Enthalpy of reaction at standard conditions ΔrS° Entropy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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