chromium dioxide
- Formula: CrO2
- Molecular weight: 83.9949
- IUPAC Standard InChI: InChI=1S/Cr.2O/q+4;2*-2
- IUPAC Standard InChIKey: IAQWMWUKBQPOIY-UHFFFAOYSA-N
- CAS Registry Number: 12018-01-8
- 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:
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
B - John E. Bartmess
View reactions leading to CrO2+ (ion structure unspecified)
Electron affinity determinations
| EA (eV) | Method | Reference | Comment |
|---|---|---|---|
| 2.430 ± 0.020 | LPES | Gutsev, Jena, et al., 2001 | B |
| 2.4130 ± 0.0080 | LPES | Wenthold, Jonas, et al., 1997 | B |
| 2.30 ± 0.70 | EIAE | Flesch, White, et al., 1969 | From CrO2F2; B |
Ionization energy determinations
| IE (eV) | Method | Reference | Comment |
|---|---|---|---|
| 10.3 ± 0.5 | EI | Grimley, Burns, et al., 1961 | RDSH |
Appearance energy determinations
| Ion | AE (eV) | Other Products | Method | Reference | Comment |
|---|---|---|---|---|---|
| CrO+ | 13.5 | O | EI | Grimley, Burns, et al., 1961 | 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.
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]
Wenthold, Jonas, et al., 1997
Wenthold, P.G.; Jonas, K.-L.; Lineberger, W.C.,
Ultraviolet Photoelectron Spectroscopy of the Chromium Dioxide Negative Ion,
J. Chem. Phys., 1997, 106, 23, 9961, https://doi.org/10.1063/1.473840
. [all data]
Flesch, White, et al., 1969
Flesch, G.D.; White, R.M.; Svec, H.J.,
The Positive and Negative Ion Mass Spectra of Chromyl Chloride and Chromyl Fluoride,
Int. J. Mass Spectrom. Ion Phys., 1969, 3, 5, 239, https://doi.org/10.1016/0020-7381(69)80079-3
. [all data]
Grimley, Burns, et al., 1961
Grimley, R.T.; Burns, R.P.; Inghram, M.G.,
Thermodynamics of the vaporization of Cr2O3: dissociation energies of CrO, CrO2, and CrO3,
J. Chem. Phys., 1961, 34, 664. [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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