Osmocene

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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
Δfgas364.3kJ/molReviewMartinho SimõesThe enthalpy of formation relies on the assumption that OsO4(cr, yellow) is the only oxide formed but it is likely that the combustion products include a mixture of oxides.

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
Δfsolid283.8kJ/molReviewMartinho SimõesThe enthalpy of formation relies on the assumption that OsO4(cr, yellow) is the only oxide formed but it is likely that the combustion products include a mixture of oxides.
Quantity Value Units Method Reference Comment
Δcsolid-6041.7kJ/molCC-SBBrendel and Grubert, 1959No experimental details are reported.

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:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos
MS - José A. Martinho Simões

Quantity Value Units Method Reference Comment
Tboil571.KN/ABaev, Barkatin, et al., 1979Uncertainty assigned by TRC = 0.00001 K; TRC
Quantity Value Units Method Reference Comment
Tfus506.8KN/ABaev, Barkatin, et al., 1979Crystal phase 1 phase; Uncertainty assigned by TRC = 0.5 K; TRC
Quantity Value Units Method Reference Comment
Δsub80.5 ± 1.7kJ/molN/ABaev and Barkatin, 1984AC
Δsub80.5 ± 1.7kJ/molCC-SBBaev and Barkatin, 1984Another value for the enthalpy of vaporization has been reported: 75.3 kJ/mol Fischer and Grubert, 1959; MS

Enthalpy of vaporization

ΔvapH (kJ/mol) Temperature (K) Reference Comment
56.3 ± 1.3535.Baev and Barkatin, 1984Based on data from 506. to 563. K.; AC

Enthalpy of sublimation

ΔsubH (kJ/mol) Temperature (K) Reference Comment
72.9 ± 1.4393. to 506.Baev and Barkatin, 1984AC

In addition to the Thermodynamics Research Center (TRC) data available from this site, much more physical and chemical property data is available from the following TRC products:


References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change 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]

Brendel and Grubert, 1959
Brendel, G.; Grubert, H., Chem. Ber., 1959, 92, 2302. [all data]

Baev, Barkatin, et al., 1979
Baev, A.K.; Barkatin, A.A.; Gubin, S.P.; Dyagileva, S.P., Thermodynamics of phase transitions and vapor state of some compounds of elements with incomplete d-shells in Vses. Konf. po Kalorimetrii i Khim. Termodinamike, 8th, Ivanovo, p 386-389, 1979. [all data]

Baev and Barkatin, 1984
Baev, A.K.; Barkatin, A.A., Russ. J. Phys. Chem., 1984, 58, 195. [all data]

Fischer and Grubert, 1959
Fischer, E.O.; Grubert, H., Chem. Ber., 1959, 92, 2302. [all data]


Notes

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, References