Pyridine, tungsten pentacarbonyl
- Formula: C10H5NO5W
- Molecular weight: 402.99
- CAS Registry Number: 14586-49-3
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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 |
|---|---|---|---|---|---|
| ΔfH°gas | -144.9 ± 2.6 | kcal/mol | Review | Martinho Simões | The enthalpy of formation relies on -211.3 ± 0.65 kcal/mol for the enthalpy of formation of W(CO)6(g) |
| ΔfH°gas | -144.7 | kcal/mol | Review | Martinho Simões | The enthalpy of formation relies on -229.5 ± 0.57 kcal/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 |
|---|---|---|---|---|---|
| ΔfH°solid | -171.1 ± 2.5 | kcal/mol | Review | Martinho Simões | The enthalpy of formation relies on -211.3 ± 0.65 kcal/mol for the enthalpy of formation of W(CO)6(g) |
| ΔfH°solid | -170.9 | kcal/mol | Review | Martinho Simões | The enthalpy of formation relies on -229.5 ± 0.57 kcal/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 |
|---|---|---|---|---|---|
| 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 |
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, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change 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.
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]
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, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Gas phase ion energetics data, References
- Symbols used in this document:
ΔfH°gas Enthalpy of formation of gas at standard conditions ΔfH°solid Enthalpy of formation of solid 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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