Co4(CO)12


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
Δfgas-417.8 ± 3.5kcal/molReviewMartinho Simões 
Δfgas-417.4 ± 3.4kcal/molReviewMartinho Simões 
Δfgas-417.6 ± 2.6kcal/molReviewMartinho SimõesSelected 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

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Individual Reactions

2Dicobalt octacarbonyl (solution) = C12Co4O12 (solution) + 4Carbon monoxide (solution)

By formula: 2C8Co2O8 (solution) = C12Co4O12 (solution) + 4CO (solution)

Quantity Value Units Method Reference Comment
Δr29.49 ± 0.50kcal/molEqSBor and Dietler, 1980solvent: Hexane; Temperature range: 378-418 K

C12Co4O12 (cr) = 12Carbon monoxide (g) + 4cobalt (cr)

By formula: C12Co4O12 (cr) = 12CO (g) + 4Co (cr)

Quantity Value Units Method Reference Comment
Δr123.8 ± 3.3kcal/molTD-HFCConnor, Skinner, et al., 1973 
Δr123.4 ± 3.3kcal/molHAL-HFCConnor, 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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