Tungsten hexacarbonyl
- Formula: C6O6W
- Molecular weight: 351.90
- IUPAC Standard InChI: InChI=1S/6CO.W/c6*1-2;
- IUPAC Standard InChIKey: FQNHWXHRAUXLFU-UHFFFAOYSA-N
- CAS Registry Number: 14040-11-0
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
The 3d structure may be viewed using Java or Javascript. - Other names: Tungsten carbonyl (W(CO)6), (OC-6-11)-; Hexacarbonyltungsten; Tungsten carbonyl; W(CO)6; Tungsten carbonyl (W(CO)6)
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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:
AC - William E. Acree, Jr., James S. Chickos
MS - José A. Martinho Simões
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔsubH° | 73.2 | kJ/mol | C | Adedeji, Lalage, et al., 1975 | AC |
| ΔsubH° | 76.4 ± 1.3 | kJ/mol | CC-SB | Pilcher, Ware, et al., 1975 | Other values for the enthalpy of sublimation have been reported: 73. ± 1. kJ/mol Adedeji, Brown, et al., 1975, 74.1 ± 4.2 kJ/mol Hieber and Romberg, 1935, 69.9 ± 4.2 kJ/mol Rezukhina and Shvyrev, 1952, and 78.9 ± 1.1 kJ/mol Daamen, Ernsting, et al., 1979 Boxhoorn, Ernsting, et al., 1980. See also Pilcher, Ware, et al., 1975; MS |
Enthalpy of sublimation
| ΔsubH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 77.7 | 276. | TE | Garner, Chandra, et al., 1995 | Based on data from 265. - 288. K.; AC |
| 74.9 ± 1.3 | 338. - 423. | N/A | Baev, 1993 | AC |
| 74.4 | 348. | A | Stephenson and Malanowski, 1987 | Based on data from 333. - 433. K.; AC |
| 78.9 ± 1.1 | 271. | ME | Boxhoorn, Ernsting, et al., 1980, 2 | Based on data from 250. - 292. K. See also Daamen, Ernsting, et al., 1979, 2.; AC |
| 69.7 | 339. - 410. | N/A | Rezukhina and Shvyrev, 1952 | AC |
References
Go To: Top, Phase change data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Adedeji, Lalage, et al., 1975
Adedeji, Festus A.; Lalage, D.; Brown, S.; Connor, Joseph A.; Leung, May L.; Paz-Andrade, I. Maria; Skinner, Henry A.,
Thermochemistry of arene chromium tricarbonyls and the strenghts of arene-chromium bonds,
Journal of Organometallic Chemistry, 1975, 97, 2, 221-228, https://doi.org/10.1016/S0022-328X(00)89468-1
. [all data]
Pilcher, Ware, et al., 1975
Pilcher, G.; Ware, M.J.; Pittam, D.A.,
J. Less-Common Met., 1975, 42, 223. [all data]
Adedeji, Brown, et al., 1975
Adedeji, F.A.; Brown, D.L.S.; Connor, J.A.; Leung, M.; Paz-Andrade, I.M.; Skinner, H.A.,
J. Organometal. Chem., 1975, 97, 221. [all data]
Hieber and Romberg, 1935
Hieber, W.; Romberg, E.,
Z. Anorg. Allg. Chem., 1935, 221, 321. [all data]
Rezukhina and Shvyrev, 1952
Rezukhina, T.N.; Shvyrev, V.V.,
Vestn. Moskov. Univ., 1952, 7, 41. [all data]
Daamen, Ernsting, et al., 1979
Daamen, H.; Ernsting, J.M.; Oskam, A.,
Thermochim. Acta, 1979, 33, 217. [all data]
Boxhoorn, Ernsting, et al., 1980
Boxhoorn, G.; Ernsting, J.M.; Stufkens, D.J.; Oskam, A.,
Thermochim. Acta, 1980, 42, 315. [all data]
Garner, Chandra, et al., 1995
Garner, M.L.; Chandra, D.; Lau, K.H.,
Low-temperature vapor pressures of W-, Cr-, and Co-carbonyls,
JPE, 1995, 16, 1, 24-29, https://doi.org/10.1007/BF02646245
. [all data]
Baev, 1993
Baev, A.K.,
Thermodynamic properties of the mixtures of chromium and tungsten hexacarbonyls,
Zh. Fiz. Khim., 1993, 67, 12, 2399. [all data]
Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw,
Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2
. [all data]
Boxhoorn, Ernsting, et al., 1980, 2
Boxhoorn, G.; Ernsting, J.M.; Stufkens, D.J.; Oskam, A.,
Vapour pressure measurements on M(CO)5L complexes (M «58875» Cr, W; L «58875» CO, P(OØ)3, PØ3, PMe3, NMe3 and pyridazine),
Thermochimica Acta, 1980, 42, 3, 315-321, https://doi.org/10.1016/0040-6031(80)85092-1
. [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]
Notes
Go To: Top, Phase change data, References
- Symbols used in this document:
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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