Osmium, dodecacarbonyltri-, triangulo


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-1644. ± 26.kJ/molReviewMartinho Simões 

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-1749. ± 17.kJ/molReviewMartinho Simões 

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 as indicated in comments:
AC - William E. Acree, Jr., James S. Chickos
MS - José A. Martinho Simões

Quantity Value Units Method Reference Comment
Δsub105. ± 20.kJ/molN/APilcher and Skinner, 1983See also Connor, Skinner, et al., 1973.; AC
Δsub105. ± 20.kJ/molTD-HFCConnor, Skinner, et al., 1973MS

Enthalpy of vaporization

ΔvapH (kJ/mol) Temperature (K) Reference Comment
101.7520.Gaidym, Baev, et al., 1974Based on data from 497. - 543. K.; AC

Enthalpy of sublimation

ΔsubH (kJ/mol) Temperature (K) Reference Comment
134.4 ± 0.4349. - 396.Chandra, Garner, et al., 1999AC
108.4483.Gaidym, Baev, et al., 1974, 2Based on data from 423. - 543. K.; AC

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

C11H2O11Os (solution) + Carbon monoxide (solution) = Hydrogen (g) + Osmium, dodecacarbonyltri-, triangulo (solution)

By formula: C11H2O11Os (solution) + CO (solution) = H2 (g) + C12O12Os3 (solution)

Quantity Value Units Method Reference Comment
Δr-37.7 ± 9.6kJ/molES/KSPoë, Sampson, et al., 1993solvent: Decalin; Calculated from equilibrium and kinetic data Poë, Sampson, et al., 1993.
Δr-77.4 ± 9.7kJ/molN/APoë, Sampson, et al., 1993solvent: Decalin; Calculated from data for the reactions Os3(CO)10(H)2(solution) + CO(solution) = Os3(CO)11(H)2(solution) (hrxn [kJ/mol]=-39.7±1.3, srxn [J/(mol K)]=-80.3±3.8) and Os3(CO)11(H)2(solution) + CO(solution) = Os3(CO)12(solution) + H2(g) (hrxn [kJ/mol]=-37.7±9.6, srxn [J/(mol K)]=-32.6±27.6) Poë, Sampson, et al., 1993.

Osmium, dodecacarbonyltri-, triangulo (cr) = 12Carbon monoxide (g) + 3osmium (cr)

By formula: C12O12Os3 (cr) = 12CO (g) + 3Os (cr)

Quantity Value Units Method Reference Comment
Δr423. ± 17.kJ/molTD-HFCConnor, Skinner, et al., 1973Please also see Pedley and Rylance, 1977. The value for the reaction enthalpy was considered a low limit Connor, Skinner, et al., 1973

Mass spectrum (electron ionization)

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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: NIST Mass Spectrometry Data Center, William E. Wallace, director

Spectrum

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Additional Data

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Owner NIST Mass Spectrometry Data Center
Collection (C) 2014 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
Origin B.F.G.JOHNSON DEPT. OF CHEM., UNIV. OF MANCHESTER, UK
NIST MS number 18778

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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]

Pilcher and Skinner, 1983
Pilcher, G.; Skinner, H.A., Thermochemistry of organometallic compounds, 1983, 43-90, https://doi.org/10.1002/9780470771686.ch2 . [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]

Gaidym, Baev, et al., 1974
Gaidym, I.L.; Baev, A.K.; Syrkin, V.G.; Uel'skii, A.A.; Medvedeva, A.E., Russ. J. Phys. Chem., 1974, 48, 1111. [all data]

Chandra, Garner, et al., 1999
Chandra, D.; Garner, M.L.; Lau, K.H., Vapor pressures of osmium, rhodium, and ruthenium carbonyls, JPE, 1999, 20, 6, 565-572, https://doi.org/10.1361/105497199770340554 . [all data]

Gaidym, Baev, et al., 1974, 2
Gaidym, I.L.; Baev, A.K.; Syrkin, V.G.; Uel'skii, A.A.; Medvedeva, A.V., Zh. Fiz. Khim., 1974, 48, 1871. [all data]

Poë, Sampson, et al., 1993
Poë, A.J.; Sampson, C.N.; Smith, R.T.; Zheng, Y., J. Am. Chem. Soc., 1993, 115, 3174. [all data]

Pedley and Rylance, 1977
Pedley, J.B.; Rylance, J., Computer Analysed Thermochemical Data: Organic and Organometallic Compounds, University of Sussex, Brigton, 1977. [all data]


Notes

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