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Pyridine, tungsten pentacarbonyl


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
Deltafgas-606. ± 11.kJ/molReviewMartinho SimõesThe enthalpy of formation relies on -883.9 ± 2.7 kJ/mol for the enthalpy of formation of W(CO)6(g)
Deltafgas-605.3kJ/molReviewMartinho SimõesThe enthalpy of formation relies on -960.3 ± 2.4 kJ/mol for the enthalpy of formation of W(CO)6(cr)

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
Deltafsolid-716. ± 10.kJ/molReviewMartinho SimõesThe enthalpy of formation relies on -883.9 ± 2.7 kJ/mol for the enthalpy of formation of W(CO)6(g)
Deltafsolid-715.0kJ/molReviewMartinho SimõesThe enthalpy of formation relies on -960.3 ± 2.4 kJ/mol for the enthalpy of formation of W(CO)6(cr)

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

Quantity Value Units Method Reference Comment
Deltasub109.7 ± 2.7kJ/molDSCDaamen, Ernsting, et al., 1979MS

Enthalpy of sublimation

DeltasubH (kJ/mol) Temperature (K) Method Reference Comment
109.7 ± 2.7299.MEDaamen, Ernsting, et al., 1979, 2Based on data from 285. - 313. 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

Tungsten hexacarbonyl (cr) + 1,3-Diazine (l) = C10H5NO5W (cr) + Carbon monoxide (g)

By formula: C6O6W (cr) + C4H4N2 (l) = C10H5NO5W (cr) + CO (g)

Quantity Value Units Method Reference Comment
Deltar34.6kJ/molN/ANakashima and Adamson, 1982The reaction enthalpy was calculated from the enthalpy of the reaction W(CO)6(solution) + py(solution) = W(CO)5(py)(solution) + CO(solution) in cyclohexane, 27.4 ± 2.9 kJ/mol, together with the enthalpies of solution of W(CO)6(cr), W(CO)5(py)(cr), and py(l), 35.7, 36.4, and 7.9 kJ/mol, respectively Nakashima and Adamson, 1982.

Tungsten hexacarbonyl (solution) + 1,3-Diazine (solution) = C10H5NO5W (solution) + Carbon monoxide (solution)

By formula: C6O6W (solution) + C4H4N2 (solution) = C10H5NO5W (solution) + CO (solution)

Quantity Value Units Method Reference Comment
Deltar27.4 ± 2.9kJ/molPCNakashima and Adamson, 1982solvent: Cyclohexane
Deltar24.9 ± 2.9kJ/molPCNakashima and Adamson, 1982solvent: Benzene
Deltar18.4 ± 0.4kJ/molPCNakashima and Adamson, 1982solvent: Tetrahydrofuran

C10H5NO5W (cr) + Carbon monoxide (g) = Tungsten hexacarbonyl (g) + 1,3-Diazine (g)

By formula: C10H5NO5W (cr) + CO (g) = C6O6W (g) + C4H4N2 (g)

Quantity Value Units Method Reference Comment
Deltar83. ± 10.kJ/molDSCDaamen, van der Poel, et al., 1979Please also see Meester, Vriends, et al., 1976.

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]

Daamen, Ernsting, et al., 1979
Daamen, H.; Ernsting, J.M.; Oskam, A., Thermochim. Acta, 1979, 33, 217. [all data]

Daamen, Ernsting, et al., 1979, 2
Daamen, H.; Ernsting, J.M.; Oskam, A., Vapour pressure measurements on M(CO)5L (M = Cr, Mo, W; L = piperidine, pyridine, pyrazine, pyrazole, thiazole), Thermochimica Acta, 1979, 33, 217-223, https://doi.org/10.1016/0040-6031(79)87044-6 . [all data]

Nakashima and Adamson, 1982
Nakashima, M.; Adamson, A.W., J. Phys. Chem., 1982, 86, 2905. [all data]

Daamen, van der Poel, et al., 1979
Daamen, H.; van der Poel, H.; Stufkens, D.J.; Oskam, A., Thermochim. Acta, 1979, 34, 69. [all data]

Meester, Vriends, et al., 1976
Meester, M.A.M.; Vriends, R.C.J.; Stufkens, D.J.; Vrieze, K., Inorg. Chim. Acta, 1976, 19, 95. [all data]


Notes

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