hafnium
- Formula: Hf
- Molecular weight: 178.49
- IUPAC Standard InChIKey: VBJZVLUMGGDVMO-UHFFFAOYSA-N
- CAS Registry Number: 7440-58-6
- Chemical structure:
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- Gas Phase Kinetics Database
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Gas phase ion energetics data
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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:
LL - Sharon G. Lias and Joel F. Liebman
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
IE (evaluated) | 6.82507 ± 0.00004 | eV | N/A | N/A | L |
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
6.82507 | EVAL | Lide, 1992 | LL |
6.82507 ± 0.00004 | LS | Callender, Hackett, et al., 1988 | LL |
6.65 ± 0.10 | EI | Rauh and Ackermann, 1979 | LLK |
6.7 ± 0.1 | EI | Rauh and Ackermann, 1974 | LLK |
References
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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Lide, 1992
Lide, D.R. (Editor),
Ionization potentials of atoms and atomic ions
in Handbook of Chem. and Phys., 1992, 10-211. [all data]
Callender, Hackett, et al., 1988
Callender, C.L.; Hackett, P.A.; Rayner, D.M.,
First ionization potential of hafnium by double-resonance field-ionization spectroscopy,
J. Opt. Soc. Am. B, 1988, 5, 1341. [all data]
Rauh and Ackermann, 1979
Rauh, E.G.; Ackermann, R.J.,
The first ionization potentials of the transition metals,
J. Chem. Phys., 1979, 70, 1004. [all data]
Rauh and Ackermann, 1974
Rauh, E.G.; Ackermann, R.J.,
First ionization potentials of some refractory oxide vapors,
J. Chem. Phys., 1974, 60, 1396. [all data]
Notes
Go To: Top, Gas phase ion energetics data, References
- Symbols used in this document:
IE (evaluated) Recommended ionization energy - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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