Iron dioxide
- Formula: FeO2
- Molecular weight: 87.844
- IUPAC Standard InChI: InChI=1S/Fe.2O/q+3;2*-2
- IUPAC Standard InChIKey: CNAVPPAEJHQFQP-UHFFFAOYSA-N
- CAS Registry Number: 12411-15-3
- 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. - 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:
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 |
|---|---|---|---|
| 2.358 ± 0.030 | LPES | Wang, Wu, et al., 1996 | B |
| 2.360 ± 0.030 | LPES | Wu, Desai, et al., 1996 | B |
| 2.358 ± 0.030 | LPES | Fan and Wang, 1995 | B |
| 2.76 ± 0.25 | R-A | Kaibicheva, Rudnyi, et al., 1992 | value altered from reference due to conversion from electron convention to ion convention; B |
Ionization energy determinations
| IE (eV) | Method | Reference | Comment |
|---|---|---|---|
| 9.5 ± 0.5 | 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.
Wang, Wu, et al., 1996
Wang, L.S.; Wu, H.; Desai, S.R.,
Sequential Oxygen Atom Chemisorption on Surfaces of Small Iron Clusters,
Phys. Rev. Lett., 1996, 76, 25, 4853, https://doi.org/10.1103/PhysRevLett.76.4853
. [all data]
Wu, Desai, et al., 1996
Wu, H.; Desai, R.; Wang, L.-S.,
Observation and Photoelectron Spectroscopic Study of Novel Mono- and Di-iron Oxide Molecules: FeOy- (y=1-4) and Fe2Oy- (y=1-5),
J. Am. Chem. Soc., 1996, 118, 22, 5296, https://doi.org/10.1021/ja954153b
. [all data]
Fan and Wang, 1995
Fan, J.W.; Wang, L.S.,
Photoelectron spectroscopy of FeO- and FeO2-: Observation of low-spin excited states of FeO and determination of the electron affinity of Fe,
J. Chem. Phys., 1995, 102, 22, 8714, https://doi.org/10.1063/1.468974
. [all data]
Kaibicheva, Rudnyi, et al., 1992
Kaibicheva, E.A.; Rudnyi, E.B.; Sidorov, L.N.,
Determination of Affinity to FeO2 Electron by the Ion-Molecular Equilibrium Method,
Zh. Fiz. Khim. SSSR, 1992, 66, 3153. [all data]
Hildenbrand, 1975
Hildenbrand, D.L.,
Thermochemistry of molecular FeO, FeO+ and FeO2,
Chem. Phys. Lett., 1975, 34, 352. [all data]
Notes
Go To: Top, Gas phase ion energetics data, References
- Symbols used in this document:
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.