P2F4
- Formula: F4P2
- Molecular weight: 137.941137
- IUPAC Standard InChI: InChI=1S/F4P2/c1-5(2)6(3)4
- IUPAC Standard InChIKey: PCIAPVMJDQUHAP-UHFFFAOYSA-N
- CAS Registry Number: 13824-74-3
- Chemical structure:
This structure is also available as a 2d Mol file - Other names: Diphosphorus tetrafluoride; Tetrafluorodiphosphine
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Gas phase ion energetics data
Go To: Top, Mass spectrum (electron ionization), 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:
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
Ionization energy determinations
| IE (eV) | Method | Reference | Comment |
|---|---|---|---|
| ≤9.28 | PI | Berkowitz, Greene, et al., 1984 | LBLHLM |
| 9.3 ± 0.1 | EI | Dean, Finch, et al., 1974 | LLK |
| 9.64 | PE | Cradock and Rankin, 1972 | Vertical value; LLK |
Appearance energy determinations
| Ion | AE (eV) | Other Products | Method | Reference | Comment |
|---|---|---|---|---|---|
| FP+ | ~17.01 | F+PF2 | PI | Berkowitz, Greene, et al., 1984 | LBLHLM |
| F2P+ | ~10.61 | PF2 | PI | Berkowitz, Greene, et al., 1984 | LBLHLM |
| F2P+ | 10.9 ± 0.1 | PF2 | EI | Dean, Finch, et al., 1974 | LLK |
| F3P2+ | ~9.53 | F | PI | Berkowitz, Greene, et al., 1984 | LBLHLM |
Mass spectrum (electron ionization)
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: NIST Mass Spectrometry Data Center, William E. Wallace, director
Spectrum
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Additional Data
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| Owner | NIST Mass Spectrometry Data Center Collection (C) 2014 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
|---|---|
| Origin | A.Pleshkova, Nesmeyanov Inst.Org.Elem.Cpds, Moscow |
| NIST MS number | 284322 |
References
Go To: Top, Gas phase ion energetics data, Mass spectrum (electron ionization), Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Berkowitz, Greene, et al., 1984
Berkowitz, J.; Greene, J.P.; Foropoulos, J., Jr.; Neskovic, O.M.,
Bonding and ionization energies of N-F and P-F compounds,
J. Chem. Phys., 1984, 81, 6166. [all data]
Dean, Finch, et al., 1974
Dean, C.R.S.; Finch, A.; Gardner, P.J.; Payling, D.W.,
Appearance and ionization potentials of ions produced by electron-impact on some phosphorus-fluorine compounds: the phosphorusphorus bond dissociation energy in diphosphorus tetrafluoride,
J. Chem. Soc. Faraday Trans. 1, 1974, 70, 1921. [all data]
Cradock and Rankin, 1972
Cradock, S.; Rankin, D.W.H.,
Photoelectron spectra of PF2H some substituted difluorophosphines,
J. Chem. Soc. Faraday Trans. 2, 1972, 68, 940. [all data]
Notes
Go To: Top, Gas phase ion energetics data, Mass spectrum (electron ionization), References
- Symbols used in this document:
AE Appearance energy - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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