YF3..YF4 anion
- Formula: F7Y2-
- Molecular weight: 310.80107
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Gas phase thermochemistry 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
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°gas | -840.5 ± 7.1 | kcal/mol | Ther | Pyatenko, Gusarov, et al., 1981 | ΔHf at 298K, fluoride affinity at 0K; value altered from reference due to conversion from electron convention to ion convention |
Reaction thermochemistry 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
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Individual Reactions
By formula: F4Y- + F3Y = F7Y2-
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 56.0 ± 5.0 | kcal/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 |
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.
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]
Notes
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- Symbols used in this document:
ΔfH°gas Enthalpy of formation of gas at standard conditions ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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