Potassium fluoride
- Formula: FK
- Molecular weight: 58.0967
- IUPAC Standard InChI: InChI=1S/FH.K/h1H;/q;+1/p-1
- IUPAC Standard InChIKey: NROKBHXJSPEDAR-UHFFFAOYSA-M
- CAS Registry Number: 7789-23-3
- 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:
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
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
B - John E. Bartmess
Electron affinity determinations
| EA (eV) | Method | Reference | Comment |
|---|---|---|---|
| 0.23 | NBAE | De Vreugd, Wijnaendts van Resandt, et al., 1979 | B |
| <1.5004 | IMRE | Sidorov, Skokan, et al., 1980 | B |
| 1.04 ± 0.21 | EIAE | Shevchenko, Iljin, et al., 1976 | From K2BO2F; value altered from reference due to conversion from electron convention to ion convention; B |
| >1.25999 | EIAE | Ebinghaus, 1964 | From (KF)2; B |
Appearance energy determinations
| Ion | AE (eV) | Other Products | Method | Reference | Comment |
|---|---|---|---|---|---|
| K+ | 9.8 | F | EI | Schafer and Rabeneck, 1987 | LBLHLM |
| K+ | 9.54 ± 0.20 | F | EI | Shevchenko, Iljin, et al., 1976 | LLK |
| K+ | 9.5 ± 0.3 | F | EI | Hastie, Zmbov, et al., 1968 | 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.
De Vreugd, Wijnaendts van Resandt, et al., 1979
De Vreugd, C.; Wijnaendts van Resandt, R.W.; Los, J.; Smith, B.,
Differential Cross Sections for Collisions of Negative Halogen Ions and Alkali Atoms,
Chem. Phys., 1979, 42, 3, 305, https://doi.org/10.1016/0301-0104(79)80078-6
. [all data]
Sidorov, Skokan, et al., 1980
Sidorov, L.N.; Skokan, E.V.; Nitikin, M.I.; Sorokin, I.D.,
Mass spectrometric determination of enthalpies of dissociation of gaseous complex fluorides into neutral and charged particles. III. Heat of formation of UF5- and electron affinity of UF5,
Int. J. Mass Spectrom. Ion Phys., 1980, 35, 215. [all data]
Shevchenko, Iljin, et al., 1976
Shevchenko, V.E.; Iljin, M.K.; Nikitin, O.T.; Sidorov, L.N.,
Mass-spectrometric study of mixed dimers M2BO2F,
Int. J. Mass Spectrom. Ion Phys., 1976, 21, 279. [all data]
Ebinghaus, 1964
Ebinghaus, H.Z.,
Negative Ionen aus Alkalihalogeniden und Electronenaffinitaten der Alkalimetalle und Alkalihalogenide,
Z. Naturfor., 1964, 19A, 727. [all data]
Schafer and Rabeneck, 1987
Schafer, H.; Rabeneck, H.,
Massenspektroskopische untersuchung der borfluorid-komplexe ABF4,
Z. Anorg. Allg. Chem., 1987, 545, 224. [all data]
Hastie, Zmbov, et al., 1968
Hastie, J.W.; Zmbov, K.F.; Margrave, J.L.,
Mass spectrometric studies at high temperatures. XXIII. Vapor equilibria over molten NaSnF3 and KSnF3,
J. Inorg. Nucl. Chem., 1968, 30, 729. [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
- 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.