chromium trioxide anion
- Formula: CrO3-
- Molecular weight: 99.9948
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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: John E. Bartmess
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°gas | -644. ± 42. | kJ/mol | R-EA | Gutsev, Jena, et al., 2001 | |
| ΔfH°gas | -662.7 ± 9.2 | kJ/mol | TDEq | 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 |
| ΔfH°gas | -668. ± 27. | kJ/mol | TDEq | Rudny, Sidirov, et al., 1985 | value altered from reference due to conversion from electron convention to ion convention |
References
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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Gutsev, Jena, et al., 2001
Gutsev, G.L.; Jena, P.; Zhai, H.J.; Wang, L.S.,
Electronic structure of chromium oxides, CrOn- and CrOn (n=1-5) from photoelectron spectroscopy and density functional theory calculations,
J. Chem. Phys., 2001, 115, 17, 7935-7944, https://doi.org/10.1063/1.1405438
. [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]
Rudny, Sidirov, et al., 1985
Rudny, E.B.; Sidirov, L.N.; Kuligina, L.A.; Semenov, G.A.,
Heterolytic dissociation of potassium chromate in the gas phase and the electron affinity of chromium oxides,
Int. J. Mass Spectrom. Ion Phys., 1985, 64, 95. [all data]
Notes
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- Symbols used in this document:
ΔfH°gas Enthalpy of formation of gas at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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