FeF3..FeF4 anion
- Formula: F7Fe2-
- Molecular weight: 244.679
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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 | -567.1 ± 8.8 | kcal/mol | Ther | Sidirov, Borshchevsky, et al., 1986 | 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
By formula: F4Fe- + F3Fe = F7Fe2-
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 45.1 ± 5.7 | kcal/mol | TDAs | Sidirov, Borshchevsky, et al., 1986 | gas phase; value altered from reference due to conversion from electron convention to ion convention |
| ΔrH° | 48.7 ± 1.0 | kcal/mol | TDAs | Sorokin, Sidorov, et al., 1981 | gas phase; ΔHf(A-) at 0 K; value altered from reference due to conversion from electron convention to ion convention |
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 of neutral species
| EAneutral (eV) | Method | Reference | Comment |
|---|---|---|---|
| 4.45 ± 0.24 | R-A | Sidirov, Borshchevsky, et al., 1986 | 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.
Sidirov, Borshchevsky, et al., 1986
Sidirov, L.N.; Borshchevsky, A.Ya.; Boltalina, O.V.; Sorokin, I.D.; Skokan, E.V.,
Electron affinities of gaseous iron fluorides and dimers,
Int. J. Mass Spectrom. Ion Processes, 1986, 73, 1. [all data]
Sorokin, Sidorov, et al., 1981
Sorokin, I.D.; Sidorov, L.N.; Nikitin, M.I.; Skokan, E.V.,
Mass-spectrometric determination of the enthalpies of dissociation of gaseous complex fluorides into neutral and charged particles. V. Heats of formation of FeF3- and FeF4-,
Int. J. Mass Spectrom. Ion Phys., 1981, 41, 45. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, Gas phase ion energetics data, References
- Symbols used in this document:
EAneutral Electron affinity of neutral species 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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