Be2F5 anion
- Formula: Be2F5-
- Molecular weight: 113.016929
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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 | -2445. ± 17. | kJ/mol | Ther | Nikitin, Sorokin, et al., 1980 | Fluoride Affinity of Be2F4: 6.3±2 kcal < AlF3; 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
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
Be2F5- + BeF3K = (Be2F5- • BeF3K)
By formula: Be2F5- + BeF3K = (Be2F5- • BeF3K)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 188. ± 8.4 | kJ/mol | N/A | Nikitin, Sorokin, et al., 1980 | gas phase; value altered from reference due to conversion from electron convention to ion convention |
Be2F5- + = (Be2F5- •
)
By formula: Be2F5- + FNa = (Be2F5- • FNa)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 273. ± 10. | kJ/mol | N/A | Nikitin, Sorokin, et al., 1980 | gas phase; value altered from reference due to conversion from electron convention to ion convention |
Be2F5- + BeF2 = (Be2F5- • BeF2)
By formula: Be2F5- + BeF2 = (Be2F5- • BeF2)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 175. ± 10. | kJ/mol | N/A | Nikitin, Sorokin, et al., 1980 | gas phase; value altered from reference due to conversion from electron convention to ion convention |
Be2F5- + = (Be2F5- •
)
By formula: Be2F5- + FK = (Be2F5- • FK)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 290. ± 10. | kJ/mol | N/A | Nikitin, Sorokin, et al., 1980 | gas phase; 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.
Nikitin, Sorokin, et al., 1980
Nikitin, M.I.; Sorokin, I.D.; Skokan, E.V.; Sidorov, L.N.,
Negative Ions in the Saturated Vapors of the Potassium Fluoride - Hafnium Tetrafluoride and Potassium Fluoride - Beryllium Difluoride Systems,
Russ. J. Phys. Chem., 1980, 54, page]. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, References
- 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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