Tungsten hexafluoride
- Formula: F6W
- Molecular weight: 297.83
- IUPAC Standard InChI: InChI=1S/6FH.W/h6*1H;/q;;;;;;+6/p-6
- IUPAC Standard InChIKey: NXHILIPIEUBEPD-UHFFFAOYSA-H
- CAS Registry Number: 7783-82-6
- 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 fluoride (WF6), (OC-6-11)-; Tungsten fluoride (WF6); Tungsten(VI) fluoride; Tungsten fluoride; UN 2196; WF6
- Permanent link for this species. Use this link for bookmarking this species for future reference.
- Information on this page:
- Other data available:
- Data at other public NIST sites:
- Options:
Data at NIST subscription sites:
NIST subscription sites provide data under the NIST Standard Reference Data Program, but require an annual fee to access. The purpose of the fee is to recover costs associated with the development of data collections included in such sites. Your institution may already be a subscriber. Follow the links above to find out more about the data in these sites and their terms of usage.
Gas phase ion energetics data
Go To: Top, References, Notes
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
B - John E. Bartmess
Electron affinity determinations
| EA (eV) | Method | Reference | Comment |
|---|---|---|---|
| 3.36 ± 0.20 | IMRB | Viggiano, Paulson, et al., 1985 | B |
| 3.50 ± 0.10 | IMRB | George and Beauchamp, 1979 | EA: > F-, < Cl-; B |
| >5.10 ± 0.50 | NBIE | Compton, Reinhardt, et al., 1978 | B |
| 3.70 ± 0.20 | NBIE | Dispert and Lacmann, 1977 | B |
| >4.90 ± 0.40 | NBIE | Mathur, Rothe, et al., 1977 | B |
| 2.74061 | SI | Page and Goode, 1969 | The Magnetron method, lacking mass analysis, is not considered reliable.; B |
Appearance energy determinations
| Ion | AE (eV) | Other Products | Method | Reference | Comment |
|---|---|---|---|---|---|
| F3W+ | 24.0 ± 0.5 | ? | EI | Hildenbrand, 1975 | LLK |
| F4W+ | 19.5 ± 0.3 | 2F | EI | Hildenbrand, 1975 | LLK |
| F5W+ | 15.24 ± 0.10 | F | EI | Hildenbrand, 1975 | LLK |
References
Go To: Top, 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.
Viggiano, Paulson, et al., 1985
Viggiano, A.A.; Paulson, J.F.; Dale, F.; Henchman, M.; Adams, N.G.; Smith, D.,
Ion chemistry and electon affinity of WF6,
J. Phys. Chem., 1985, 89, 2264. [all data]
George and Beauchamp, 1979
George, P.M.; Beauchamp, J.L.,
The electron and fluoride affinites of tungsten hexafluoride by ICR spectroscopy,
Chem. Phys., 1979, 36, 345. [all data]
Compton, Reinhardt, et al., 1978
Compton, R.N.; Reinhardt, P.W.; Cooper, C.D.,
Collisional ionization between fast alkali atoms and selected hexafluoride molecules,
J. Chem. Phys., 1978, 68, 2023. [all data]
Dispert and Lacmann, 1977
Dispert, H.; Lacmann, K.,
Formation of WF6- and its dissociative products by collisional ionization,
Chem. Phys. Lett., 1977, 45, 311. [all data]
Mathur, Rothe, et al., 1977
Mathur, B.P.; Rothe, R.W.; Reck, G.P.,
Ionization reactions of metal hexafluorides with alkali atoms and dimers,
J. Chem. Phys., 1977, 67, 377. [all data]
Page and Goode, 1969
Page, F.M.; Goode, G.C.,
Negative Ions and the Magnetron., Wiley, NY, 1969. [all data]
Hildenbrand, 1975
Hildenbrand, D.L.,
Thermochemistry of the gaseous tungsten fluorides,
Chem. Phys. Lett., 1975, 62, 3074. [all data]
Notes
Go To: Top, Gas phase ion energetics data, References
- Symbols used in this document:
AE Appearance energy EA Electron affinity - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
- The National Institute of Standards and Technology (NIST) uses its best efforts to deliver a high quality copy of the Database and to verify that the data contained therein have been selected on the basis of sound scientific judgment. However, NIST makes no warranties to that effect, and NIST shall not be liable for any damage that may result from errors or omissions in the Database.
- Customer support for NIST Standard Reference Data products.