Tungsten tetrafluoride
- Formula: F4W
- Molecular weight: 259.83
- CAS Registry Number: 13766-47-7
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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: John E. Bartmess
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Individual Reactions
(CAS Reg. No. 69175-56-0 • 4294967295F4W) + F4W = CAS Reg. No. 69175-56-0
By formula: (CAS Reg. No. 69175-56-0 • 4294967295F4W) + F4W = CAS Reg. No. 69175-56-0
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 64.60 | kcal/mol | Ther | Thynne and Harland, 1973 | gas phase; From WF6 |
Gas phase ion energetics data
Go To: Top, Reaction thermochemistry data, 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
View reactions leading to F4W+ (ion structure unspecified)
Electron affinity determinations
| EA (eV) | Method | Reference | Comment |
|---|---|---|---|
| 2.59998 | EIAE | De Wall and Neuert, 1977 | From WF6; B |
| >2.30 ± 0.10 | EIAE | Thynne and Harland, 1973 | From WF6; B |
| >1.00171 | EIAE | Hildebrand, 1977 | From WF6; B |
Ionization energy determinations
| IE (eV) | Method | Reference | Comment |
|---|---|---|---|
| 9.89 ± 0.10 | EI | Hildenbrand, 1975 | LLK |
References
Go To: Top, 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.
Thynne and Harland, 1973
Thynne, J.C.J.; Harland, P.W.,
Negative Ion Formation by Tungsten Fluoride,
Int. J. Mass Spectrom. Ion Phys., 1973, 11, 137. [all data]
De Wall and Neuert, 1977
De Wall, R.; Neuert, H.,
Die Bildung Negativer Ionen bei Elektronenstoss auf WF6,
Z. Naturfor., 1977, 32A, 1968. [all data]
Hildebrand, 1977
Hildebrand, D.L.,
Studies of Some Negative Ion Processes Involving the Tungsten Fluorides,
Int. J. Mass Spectrom. Ion Phys., 1977, 25, 2, 121, https://doi.org/10.1016/0020-7381(77)80042-9
. [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, Reaction thermochemistry data, Gas phase ion energetics data, References
- Symbols used in this document:
EA Electron affinity ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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