Fe2(CO)9


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-319.2 ± 5.1kcal/molReviewMartinho Simões 
Δfgas-318.6 ± 5.2kcal/molReviewMartinho Simões 
Δfgas-318.9 ± 5.1kcal/molReviewMartinho SimõesSelected 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
Δfsolid-337.2 ± 1.1kcal/molReviewMartinho Simões 
Δfsolid-336.6 ± 1.2kcal/molReviewMartinho Simões 
Δfsolid-336.88 ± 0.81kcal/molReviewMartinho SimõesSelected 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
Δsub18.0 ± 5.0kcal/molTD-HFCConnor, 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

C9Fe2O9 (cr) = 9Carbon monoxide (g) + 2iron (cr)

By formula: C9Fe2O9 (cr) = 9CO (g) + 2Fe (cr)

Quantity Value Units Method Reference Comment
Δr99.4 ± 1.0kcal/molTD-HFCConnor, Skinner, et al., 1973 
Δr98.8 ± 1.2kcal/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]


Notes

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