silver fluoride
- Formula: AgF
- Molecular weight: 126.8666
- CAS Registry Number: 7775-41-9
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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 as indicated in comments:
LL - Sharon G. Lias and Joel F. Liebman
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
Ionization energy determinations
| IE (eV) | Method | Reference | Comment |
|---|---|---|---|
| 11.0 | EI | Hildenbrand and Lau, 1991 | LL |
| 11.0 ± 0.3 | EI | Hildenbrand, 1977 | LLK |
| 11.4 ± 0.3 | EI | Zmbov and Margrave, 1967 | RDSH |
Appearance energy determinations
| Ion | AE (eV) | Other Products | Method | Reference | Comment |
|---|---|---|---|---|---|
| Ag+ | 11.5 ± 0.3 | F | EI | Zmbov and Margrave, 1967 | RDSH |
Constants of diatomic molecules
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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: Klaus P. Huber and Gerhard H. Herzberg
Data collected through October, 1974
| Symbol | Meaning |
|---|---|
| State | electronic state and / or symmetry symbol |
| Te | minimum electronic energy (cm-1) |
| ωe | vibrational constant – first term (cm-1) |
| ωexe | vibrational constant – second term (cm-1) |
| ωeye | vibrational constant – third term (cm-1) |
| Be | rotational constant in equilibrium position (cm-1) |
| αe | rotational constant – first term (cm-1) |
| γe | rotation-vibration interaction constant (cm-1) |
| De | centrifugal distortion constant (cm-1) |
| βe | rotational constant – first term, centrifugal force (cm-1) |
| re | internuclear distance (Å) |
| Trans. | observed transition(s) corresponding to electronic state |
| ν00 | position of 0-0 band (units noted in table) |
| State | Te | ωe | ωexe | ωeye | Be | αe | γe | De | βe | re | Trans. | ν00 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| C 1 | C ← X R | |||||||||||
| ↳Clements and Barrow, 1968; Barrow and Clements, 1971 | ||||||||||||
| Continuous absorption at 33000 cm-1. | ||||||||||||
| ↳Clements and Barrow, 1968; Barrow and Clements, 1971 | ||||||||||||
| B 0+ | (31663) | [373.6] H | 2 | [0.255486] | 3 | [0.000000472] | [2.02244] | B ← X R | 31594.13 Z | |||
| ↳missing citation | ||||||||||||
| A 0+ | (29220) | [455.39] Z | 4 | [0.27268] | 0.00593 4 | [0.000000371] 5 | [1.9576] | A ← X V | 29250.87 Z | |||
| ↳Clements and Barrow, 1968; missing citation | ||||||||||||
| State | Te | ωe | ωexe | ωeye | Be | αe | γe | De | βe | re | Trans. | ν00 |
| X 1Σ+ | 0 | 513.447 Z | 2.593 | 0.2657020 | 0.0019206 | 3.80E-06 | 0.000000284 | 0.000000001 | 1.983179 6 | |||
| ↳Hoeft, Lovas, et al., 1970 | ||||||||||||
Notes
| 1 | Unclassified bands, ν ≥ 38400 cm-1. |
| 2 | From band heads: ΔG(3/2)= 380.3, ΔG(5/2)= 373.2, ΔG(7/2)= 356.9. |
| 3 | Levels with v ≥ 1 are predissociated. |
| 4 | Predissociation in v=0 for J > 85 and in v=1 for J > 40. Levels with v > 1 are not observed. |
| 5 | D1=67.3E-8;H0 = -3.2E-12. |
| 6 | Microwave sp. 8 |
| 7 | Thermochemical value Zmbov and Margrave, 1967. In agreement with an upper limit (D00 < 3.70 eV) from predissociation in A 0+ Clements and Barrow, 1968, Barrow and Clements, 1971. |
| 8 | μel(v=0) = 6.22 D. |
References
Go To: Top, Gas phase ion energetics data, Constants of diatomic molecules, NIST Free Links, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Hildenbrand and Lau, 1991
Hildenbrand, D.L.; Lau, K.H.,
Redetermination of the thermochemistry of gaseous UF5, UF2, and UF,
J. Chem. Phys., 1991, 94, 1420. [all data]
Hildenbrand, 1977
Hildenbrand, D.L.,
Thermochemistry of gaseous UF5 and UF4,
J. Chem. Phys., 1977, 66, 4788. [all data]
Zmbov and Margrave, 1967
Zmbov, K.F.; Margrave, J.L.,
Mass spectrometric studies at high temperatures. XIV.The vapor pressure and dissociation energy of silver monofluoride,
J. Phys. Chem., 1967, 71, 446. [all data]
Clements and Barrow, 1968
Clements, R.M.; Barrow, R.F.,
The absorption spectrum of gaseous silver fluoride,
Chem. Commun., 1968, 27. [all data]
Barrow and Clements, 1971
Barrow, R.F.; Clements, R.M.,
Rotational analysis of the AO+, BO+ ← X1Σ+ systems of gaseous AgF,
Proc. R. Soc. London A, 1971, 322, 243. [all data]
Hoeft, Lovas, et al., 1970
Hoeft, J.; Lovas, F.J.; Tiemann, E.; Torring, T.,
The rotational spectra and dipole moments of AgF and CuF by microwave absorption,
Z. Naturforsch. A, 1970, 25, 35. [all data]
Notes
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- Symbols used in this document:
AE Appearance energy - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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