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 |
---|---|---|---|---|---|
![]() | -417.8 ± 3.5 | kcal/mol | Review | Martinho Simões | |
![]() | -417.4 ± 3.4 | kcal/mol | Review | Martinho Simões | |
![]() | -417.6 ± 2.6 | kcal/mol | Review | Martinho Simões | Selected data. Average of the values from Connor, Skinner, et al., 1973 |
Condensed 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 |
---|---|---|---|---|---|
![]() | -440.8 ± 3.3 | kcal/mol | Review | Martinho Simões | |
![]() | -440.4 ± 3.3 | kcal/mol | Review | Martinho Simões | |
![]() | -440.6 ± 2.3 | kcal/mol | Review | Martinho Simões | Selected data. Average of the values from Connor, Skinner, et al., 1973 |
Phase change 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 |
---|---|---|---|---|---|
![]() | 23.0 ± 1.0 | kcal/mol | TD-HFC | Pilcher and Skinner, 1982 | Please also see 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 |
---|---|---|---|---|---|
![]() | 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 |
---|---|---|---|---|---|
![]() | 123.8 ± 3.3 | kcal/mol | TD-HFC | Connor, Skinner, et al., 1973 | |
![]() | 123.4 ± 3.3 | kcal/mol | HAL-HFC | Connor, Skinner, et al., 1973 |
References
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change 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]
Pilcher and Skinner, 1982
Pilcher, G.; Skinner, H.A.,
In The Chemistry of the Metal-Carbon Bond Wiley: New York, Hartley, F. R.; Patai, S., ed(s)., 1982. [all data]
Bor and Dietler, 1980
Bor, G.; Dietler, U.K.,
J. Organometal. Chem., 1980, 191, 295. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, References
- Symbols used in this document:
fH°gas
Enthalpy of formation of gas at standard conditions fH°solid
Enthalpy of formation of solid at standard conditions rH°
Enthalpy of reaction at standard conditions rS°
Entropy of reaction at standard conditions subH°
Enthalpy of sublimation at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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