Oxygen difluoride
- Formula: F2O
- Molecular weight: 53.9962
- IUPAC Standard InChI: InChI=1S/F2O/c1-3-2
- IUPAC Standard InChIKey: UJMWVICAENGCRF-UHFFFAOYSA-N
- CAS Registry Number: 7783-41-7
- 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: Difluorine monoxide; Oxygen fluoride (OF2); Difluorine monooxide; Fluorine monoxide; Fluorine oxide; Oxydifluoride; OF2; Oxygen fluoride; UN 2190
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Gas phase ion energetics data
Go To: Top, Vibrational and/or electronic energy levels, 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:
L - Sharon G. Lias
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
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| IE (evaluated) | 13.11 ± 0.01 | eV | N/A | N/A | L |
Ionization energy determinations
| IE (eV) | Method | Reference | Comment |
|---|---|---|---|
| 13.11 ± 0.01 | PI | Berkowitz, Dehmer, et al., 1973 | LLK |
| 13.11 | PE | Brundle, Robin, et al., 1972 | LLK |
| 13.13 | PE | Cornford, Frost, et al., 1971 | LLK |
| 13.26 | PE | Chadwick, Cornford, et al., 1972 | Vertical value; LLK |
Appearance energy determinations
| Ion | AE (eV) | Other Products | Method | Reference | Comment |
|---|---|---|---|---|---|
| OF+ | ≤14.438 | F | PI | Berkowitz, Dehmer, et al., 1973 | LLK |
| OF+ | 15.8 ± 0.2 | F | EI | Malone and McGee, 1965 | RDSH |
| OF+ | 15.8 ± 0.2 | F | EI | Dibeler, Reese, et al., 1957 | RDSH |
Vibrational and/or electronic energy levels
Go To: Top, Gas phase ion energetics data, References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled by: Takehiko Shimanouchi
Symmetry: C2ν Symmetry Number σ = 2
| Sym. | No | Approximate | Selected Freq. | Infrared | Raman | Comments | ||||
|---|---|---|---|---|---|---|---|---|---|---|
| Species | type of mode | Value | Rating | Value | Phase | Value | Phase | |||
| a1 | 1 | Sym str | 928 | B | 928 S | gas | ||||
| a1 | 2 | Bend | 461 | B | 461 S | gas | ||||
| b1 | 3 | Anti str | 831 | B | 831 VS | gas | ||||
Source: Shimanouchi, 1972
Notes
| VS | Very strong |
| S | Strong |
| B | 1~3 cm-1 uncertainty |
References
Go To: Top, Gas phase ion energetics data, Vibrational and/or electronic energy levels, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Berkowitz, Dehmer, et al., 1973
Berkowitz, J.; Dehmer, P.M.; Chupka, W.A.,
Photoionization mass spectrometry of F2O,
J. Chem. Phys., 1973, 59, 925. [all data]
Brundle, Robin, et al., 1972
Brundle, C.R.; Robin, M.B.; Kuebler, N.A.; Basch, H.,
Perfluoro effect in photoelectron spectroscopy. I. Nonaromatic molecules,
J. Am. Chem. Soc., 1972, 94, 1451. [all data]
Cornford, Frost, et al., 1971
Cornford, A.B.; Frost, D.C.; Herring, F.G.; McDowell, C.A.,
Photoelectron spectra of F2O and Cl2O,
J. Chem. Phys., 1971, 55, 2820. [all data]
Chadwick, Cornford, et al., 1972
Chadwick, D.; Cornford, A.B.; Frost, D.C.; Herring, F.G.; Katrib, A.; McDowell, C.A.; McLean, R.A.N.,
Photoelectron spectra of some dihalocompounds
in Electron spectroscopy, ed. D.A. Shirley (North-Holland Publixhing Co, Amsterdam), 1972, 453. [all data]
Malone and McGee, 1965
Malone, T.J.; McGee, H.A., Jr.,
Mass spectrometric investigations of the synthesis, stability, and energetics of the low-temperature oxygen fluorides. I. Dioxygen difluoride,
J. Phys. Chem., 1965, 69, 4338. [all data]
Dibeler, Reese, et al., 1957
Dibeler, V.H.; Reese, R.M.; Franklin, J.L.,
Ionization and dissociation of oxygen difluoride by electron impact,
J. Chem. Phys., 1957, 27, 1296. [all data]
Shimanouchi, 1972
Shimanouchi, T.,
Tables of Molecular Vibrational Frequencies Consolidated Volume I, National Bureau of Standards, 1972, 1-160. [all data]
Notes
Go To: Top, Gas phase ion energetics data, Vibrational and/or electronic energy levels, References
- Symbols used in this document:
AE Appearance energy IE (evaluated) Recommended ionization energy - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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