iridium hexafluoride
- Formula: F6Ir
- Molecular weight: 306.207
- CAS Registry Number: 7783-75-7
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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 compiled by: John E. Bartmess
Electron affinity determinations
| EA (eV) | Method | Reference | Comment |
|---|---|---|---|
| 6.50 ± 0.38 | TDEq | Korobov, Kuznetsov, et al., 1989 | IrF4 + RuF6- <=> IrF6- + RuF4; value altered from reference due to conversion from electron convention to ion convention |
| >5.14 ± 0.50 | NBIE | Compton, Reinhardt, et al., 1978 |
Vibrational and/or electronic energy levels
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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 compiled by: Takehiko Shimanouchi
Symmetry: Oh Symmetry Number σ = 24
| Sym. | No | Approximate | Selected Freq. | Infrared | Raman | Comments | ||||
|---|---|---|---|---|---|---|---|---|---|---|
| Species | type of mode | Value | Rating | Value | Phase | Value | Phase | |||
| a1g | 1 | Sym str | 702 | B | ia | 701.7 VS p | gas | |||
| eg | 2 | Deg str | 645 | C | ia | 645 W dp | gas | |||
| f1u | 3 | Deg str | 720 | B | 719.8 S | gas | ia | |||
| f1u | 4 | Deg deform | 276 | B | 276.0 S | gas | ia | |||
| f2g | 5 | Deg deform | 267 | C | ia | 267 W dp | gas | |||
| f2u | 6 | Deg deform | 206 | D | ia | ia | OC(ν2+ν6,ν2-ν6,ν5+ν6) | |||
Source: Shimanouchi, 1972
Notes
| VS | Very strong |
| S | Strong |
| W | Weak |
| ia | Inactive |
| p | Polarized |
| dp | Depolarized |
| OC | Frequency estimated from an overtone or a combination tone indicated in the parentheses. |
| B | 1~3 cm-1 uncertainty |
| C | 3~6 cm-1 uncertainty |
| D | 6~15 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.
Korobov, Kuznetsov, et al., 1989
Korobov, M.V.; Kuznetsov, S.V.; Sidorov, L.N.; Shipachev, V.A.; Mit'kin, V.N.,
Gas Phase Negative Ions of Platinum Metal Fluorides. II. Electron Affinity of Platinum Metal Hexafluorides,
Int. J. Mass Spectrom. Ion Proc., 1989, 87, 1, 13, https://doi.org/10.1016/0168-1176(89)80002-3
. [all data]
Compton, Reinhardt, et al., 1978
Compton, R.N.; Reinhardt, P.W.; Cooper, C.D.,
Collisional ionization between fast alkali atoms and selected hexafluoride molecules,
J. Chem. Phys., 1978, 68, 2023. [all data]
Shimanouchi, 1972
Shimanouchi, T.,
Tables of Molecular Vibrational Frequencies Consolidated Volume II,
J. Phys. Chem. Ref. Data, 1972, 6, 3, 993-1102. [all data]
Notes
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- Symbols used in this document:
EA Electron affinity - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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