Pyridine, tungsten pentacarbonyl
- Formula: C10H5NO5W
- Molecular weight: 402.99
- CAS Registry Number: 14586-49-3
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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 |
|---|---|---|---|---|---|
| ΔsubH° | 26.22 ± 0.65 | kcal/mol | DSC | Daamen, Ernsting, et al., 1979 | MS |
Enthalpy of sublimation
| ΔsubH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 26.22 ± 0.65 | 299. | ME | Daamen, Ernsting, et al., 1979, 2 | Based on data from 285. to 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
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Individual Reactions
(cr) +
(l) = C10H5NO5W (cr) +
(g)
By formula: C6O6W (cr) + C4H4N2 (l) = C10H5NO5W (cr) + CO (g)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 8.27 | kcal/mol | N/A | Nakashima and Adamson, 1982 | The 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, 6.55 ± 0.69 kcal/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 1.9 kcal/mol, respectively Nakashima and Adamson, 1982. |
(solution) +
(solution) = C10H5NO5W (solution) +
(solution)
By formula: C6O6W (solution) + C4H4N2 (solution) = C10H5NO5W (solution) + CO (solution)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 6.55 ± 0.69 | kcal/mol | PC | Nakashima and Adamson, 1982 | solvent: Cyclohexane |
| ΔrH° | 5.95 ± 0.69 | kcal/mol | PC | Nakashima and Adamson, 1982 | solvent: Benzene |
| ΔrH° | 4.40 ± 0.1 | kcal/mol | PC | Nakashima and Adamson, 1982 | solvent: Tetrahydrofuran |
C10H5NO5W (cr) + (g) =
(g) +
(g)
By formula: C10H5NO5W (cr) + CO (g) = C6O6W (g) + C4H4N2 (g)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 20. ± 2.4 | kcal/mol | DSC | Daamen, van der Poel, et al., 1979 | Please also see Meester, Vriends, et al., 1976. |
Gas phase ion energetics 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:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
Ionization energy determinations
| IE (eV) | Method | Reference | Comment |
|---|---|---|---|
| 7.53 ± 0.05 | EI | Distefano, Foffani, et al., 1971 | LLK |
| 7.53 | EI | Distefano, Foffani, et al., 1971, 2 | LLK |
| 7.6 ± 0.2 | EI | Distefano, Innorta, et al., 1968 | RDSH |
References
Go To: Top, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
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]
Distefano, Foffani, et al., 1971
Distefano, G.; Foffani, A.; Innorta, G.; Pignataro, S.,
Mass spectrometric study of transition metal complexes with ligands having nitrogen or sulphur as donor atom,
Adv. Mass Spectrom., 1971, 5, 696. [all data]
Distefano, Foffani, et al., 1971, 2
Distefano, G.; Foffani, A.; Innorta, G.; Pignataro, S.,
Electron impact ionization potentials of some manganese, chromium and tungsten organometallic derivatives,
Int. J. Mass Spectrom. Ion Phys., 1971, 7, 383. [all data]
Distefano, Innorta, et al., 1968
Distefano, G.; Innorta, G.; Pignataro, S.; Foffani, A.,
Correlation between the ionization potentials of transition metal complexes and of the corresponding ligands,
J. Organometal. Chem., 1968, 14, 165. [all data]
Notes
Go To: Top, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, References
- Symbols used in this document:
ΔrH° Enthalpy of reaction at standard conditions ΔsubH Enthalpy of sublimation ΔsubH° Enthalpy of sublimation at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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