yttrium trifluoride
- Formula: F3Y
- Molecular weight: 145.90106
- CAS Registry Number: 13709-49-4
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Reaction thermochemistry data
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: John E. Bartmess
Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.
Individual Reactions
+ F3Y = (
• F3Y)
By formula: F- + F3Y = (F- • F3Y)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 477. ± 21. | kJ/mol | TDEq | Pyatenko, Gusarov, et al., 1981 | gas phase; F-A at 0 K; ΔHf at 298 K. Equilibrium measured vs. AlF4-; value altered from reference due to conversion from electron convention to ion convention |
By formula: F4Y- + F3Y = F7Y2-
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 234. ± 21. | kJ/mol | TDAs | Pyatenko, Gusarov, et al., 1981 | gas phase; ΔHf at 298K, fluoride affinity at 0K; value altered from reference due to conversion from electron convention to ion convention |
Gas phase ion energetics data
Go To: Top, Reaction thermochemistry 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: Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
Appearance energy determinations
| Ion | AE (eV) | Other Products | Method | Reference | Comment |
|---|---|---|---|---|---|
| YF+ | 21.5 ± 0.7 | ? | EI | Kent, Zmbov, et al., 1966 | |
| YF2+ | 14.0 | F | EI | Zmbov and Margrave, 1967 | |
| YF2+ | 13.5 ± 0.7 | F | EI | Kent, Zmbov, et al., 1966 | |
| Y+ | 28.0 ± 0.7 | ? | EI | Kent, Zmbov, et al., 1966 |
References
Go To: Top, Reaction thermochemistry data, 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.
Pyatenko, Gusarov, et al., 1981
Pyatenko, A.T.; Gusarov, A.V.; Gorokhov, L.N.,
Negative Ions in Vapor over Yttrium Trifluoride,
High Temp., 1981, 19, 1167. [all data]
Kent, Zmbov, et al., 1966
Kent, R.A.; Zmbov, K.F.; Kana'an, A.S.; Besenbruch, G.; McDonald, J.D.; Margrave, J.L.,
Mass spectrometric studies at high temperatures. X. The sublimation pressures of scandium(III), yttrium(III) and lanthanum(III), trifluorides,
J. Inorg. Nucl. Chem., 1966, 28, 1419. [all data]
Zmbov and Margrave, 1967
Zmbov, K.F.; Margrave, J.L.,
Mass spectrometry at high temperatures. XVIII.The stabilities of the mono- and difluorides of scandium and yttrium,
J. Chem. Phys., 1967, 47, 3122. [all data]
Notes
Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, References
- Symbols used in this document:
AE Appearance energy ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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