iron oxide
- Formula: FeO
- Molecular weight: 71.844
- IUPAC Standard InChI: InChI=1S/Fe.O
- IUPAC Standard InChIKey: UQSXHKLRYXJYBZ-UHFFFAOYSA-N
- CAS Registry Number: 1345-25-1
- 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. - Other names: Iron monoxide
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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 evaluated as indicated in comments:
HL - Edward P. Hunter and Sharon G. Lias
Data compiled as indicated in comments:
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
B - John E. Bartmess
View reactions leading to FeO+ (ion structure unspecified)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| Proton affinity (review) | 217. | kcal/mol | N/A | Hunter and Lias, 1998 | HL |
| Quantity | Value | Units | Method | Reference | Comment |
| Gas basicity | 210.4 | kcal/mol | N/A | Hunter and Lias, 1998 | HL |
Electron affinity determinations
| EA (eV) | Method | Reference | Comment |
|---|---|---|---|
| 1.49450 ± 0.00022 | ZEKE | Drechsler, Boesl, et al., 1997 | B |
| 1.492 ± 0.020 | LPES | Engelking and Lineberger, 1977 | B |
| 1.500 ± 0.040 | LPES | Wu, Desai, et al., 1996 | B |
| 1.49303 | LPES | Anderson, Lykke, et al., 1987 | B |
Ionization energy determinations
| IE (eV) | Method | Reference | Comment |
|---|---|---|---|
| 8.9 ± 0.16 | END | Armentrout, Halle, et al., 1982 | LBLHLM |
| 8.71 ± 0.10 | EI | Hildenbrand, 1975 | LLK |
| 8. ± 1. | EI | Balducci, DeMaria, et al., 1971 | 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.
Hunter and Lias, 1998
Hunter, E.P.; Lias, S.G.,
Evaluated Gas Phase Basicities and Proton Affinities of Molecules: An Update,
J. Phys. Chem. Ref. Data, 1998, 27, 3, 413-656, https://doi.org/10.1063/1.556018
. [all data]
Drechsler, Boesl, et al., 1997
Drechsler, G.; Boesl, U.; Bassmann, C.; Schlag, E.W.,
Mass selected anion-zero kinetic energy photoelectron spectroscopy (anion-ZEKE): Ground and low excited states of FeO,
J. Chem. Phys., 1997, 107, 7, 2284-2291, https://doi.org/10.1063/1.474622
. [all data]
Engelking and Lineberger, 1977
Engelking, P.C.; Lineberger, W.C.,
Laser photoelecton spectrometry of FeO-: Electron affinity, electronic state separations, and ground state vibrations of iron oxide, and a new ground state assignment,
J. Chem. Phys., 1977, 66, 5054. [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]
Anderson, Lykke, et al., 1987
Anderson, T.; Lykke, K.R.; Neumark, D.M.; Lineberger, W.C.,
Autodetachment Study of the Electronic Spectroscopy of FeO-,
J. Chem. Phys., 1987, 86, 4, 1858, https://doi.org/10.1063/1.452137
. [all data]
Armentrout, Halle, et al., 1982
Armentrout, P.B.; Halle, L.F.; Beauchamp, J.L.,
Reaction of Cr+, Mn+, Fe+, Co+, and Ni+ with O2 and N2O. Examination of the translational energy dependence of the cross sections of endothermic reactions,
J. Chem. Phys., 1982, 76, 2449. [all data]
Hildenbrand, 1975
Hildenbrand, D.L.,
Thermochemistry of molecular FeO, FeO+ and FeO2,
Chem. Phys. Lett., 1975, 34, 352. [all data]
Balducci, DeMaria, et al., 1971
Balducci, G.; DeMaria, G.; Guido, M.; Piacente, V.,
Dissociation energy of FeO,
J. Chem. Phys., 1971, 55, 2596. [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
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