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 | -417.8 ± 3.5 | kcal/mol | Review | Martinho Simões | |
| ΔfH°gas | -417.4 ± 3.4 | kcal/mol | Review | Martinho Simões | |
| ΔfH°gas | -417.6 ± 2.6 | kcal/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° | 29.49 ± 0.50 | kcal/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° | 123.8 ± 3.3 | kcal/mol | TD-HFC | Connor, Skinner, et al., 1973 | |
| ΔrH° | 123.4 ± 3.3 | kcal/mol | HAL-HFC | Connor, Skinner, et al., 1973 |
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.
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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