tungsten trioxide
- Formula: O3W
- Molecular weight: 231.84
- IUPAC Standard InChI: InChI=1S/3O.W/q3*-2;+6
- IUPAC Standard InChIKey: UARSRGYYQSHHDK-UHFFFAOYSA-N
- CAS Registry Number: 1314-35-8
- Chemical structure:
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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
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
B - John E. Bartmess
Electron affinity determinations
| EA (eV) | Method | Reference | Comment |
|---|---|---|---|
| 3.33 ± 0.15 | LPD | Walter, Hertzler, et al., 1991 | B |
| 3.94 ± 0.20 | R-A | Rudnyi, Vovk, et al., 1989 | Multi-parameter fit to many IMRE, Ion-ion Eq. ΔHf(A-) at 0 K; value altered from reference due to conversion from electron convention to ion convention; B |
| 4.16 ± 0.43 | R-A | Jensen and Miller, 1970 | HWO4- + H <=> WO3- + H2O; B |
| >2.50211 | IMRB | Center, 1972 | B |
Ionization energy determinations
| IE (eV) | Method | Reference | Comment |
|---|---|---|---|
| 12.5 ± 0.5 | EI | Balducci, Gigli, et al., 1981 | LLK |
| 11.9 ± 0.5 | EI | Yamdagni, Pupp, et al., 1970 | RDSH |
| 12.0 ± 0.5 | EI | Pupp, Yamdagni, et al., 1969 | RDSH |
| 12.1 | EI | Norman and Staley, 1965 | RDSH |
| 11.9 | EI | Drowart, Exsteen, et al., 1964 | RDSH |
| 11.7 ± 0.6 | EI | DeMaria, Burns, et al., 1960 | RDSH |
Appearance energy determinations
| Ion | AE (eV) | Other Products | Method | Reference | Comment |
|---|---|---|---|---|---|
| WO2+ | 14.2 | O | EI | Norman and Staley, 1965 | RDSH |
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.
Walter, Hertzler, et al., 1991
Walter, C.W.; Hertzler, C.F.; Devynck, P.; Smith, G.P.; Peterson, J.R.,
Photodetachment of WO3-,
J. Chem. Phys., 1991, 95, 2, 824, https://doi.org/10.1063/1.461089
. [all data]
Rudnyi, Vovk, et al., 1989
Rudnyi, E.B.; Vovk, O.M.; Kaibicheva, E.A.; Sidorov, L.N.,
Formation Enthalpies of Oxygen Containing Anions of Group VI Elements in the Gas Phase and the Electron Affinities of CrO3, MoO3, and WO3,
J. Chem. Thermodyn., 1989, 21, 3, 247, https://doi.org/10.1016/0021-9614(89)90014-1
. [all data]
Jensen and Miller, 1970
Jensen, D.E.; Miller, W.J.,
Electron Attachment and Compound Formation in Flames. III. Negative Ion and Compound Formation in Flames Containing Tungsten and Potassium,
J. Chem. Phys., 1970, 53, 8, 3287, https://doi.org/10.1063/1.1674479
. [all data]
Center, 1972
Center, R.E.,
Ion-molecule experiments involving negative ions of tungsten and rhenium oxides,
J. Chem. Phys., 1972, 56, 371. [all data]
Balducci, Gigli, et al., 1981
Balducci, G.; Gigli, G.; Guido, M.,
Dissociation energies of the molecules CrPO2(g) and CoO(g) by high-temperature mass spectrometry,
J. Chem. Soc. Faraday Trans. 2, 1981, 77, 1107. [all data]
Yamdagni, Pupp, et al., 1970
Yamdagni, R.; Pupp, C.; Porter, R.F.,
Mass spectrometric study of the evaporation of lithium and sodium molybdates and tungstates,
J. Inorg. Nucl. Chem., 1970, 32, 3509. [all data]
Pupp, Yamdagni, et al., 1969
Pupp, C.; Yamdagni, R.; Porter, R.F.,
Mass spectrometric study of the evaporation of BaMoO4 and BaWO4,
J. Inorg. Nucl. Chem., 1969, 31, 2021. [all data]
Norman and Staley, 1965
Norman, J.H.; Staley, H.G.,
Thermodynamics of the dimerization and trimerization of gaseous tungsten trioxide and molybdenum trioxide,
J. Chem. Phys., 1965, 43, 3804. [all data]
Drowart, Exsteen, et al., 1964
Drowart, J.; Exsteen, G.; Verhaegen, G.,
Mass spectrometric determination of the dissociation energy of the molecules MgO, CaO, SrO and Sr2O,
J. Chem. Soc. Faraday Trans., 1964, 60, 1920. [all data]
DeMaria, Burns, et al., 1960
DeMaria, G.; Burns, R.P.; Drowart, J.; Inghram, M.G.,
Mass spectrometric study of gaseous molybdenum, tungsten, and uranium oxides,
J. Chem. Phys., 1960, 32, 1373. [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
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