F-
- Formula: F-
- Molecular weight: 18.9989518
- CAS Registry Number: 21750-90-3
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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
(F- • 4294967295F2Fe) + F2Fe = F-
By formula: (F- • 4294967295F2Fe) + F2Fe = F-
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 87.7 ± 3.6 | kcal/mol | TDAs | Boltalina, Borshchevskii, et al., 1992 | gas phase; Critical review; value altered from reference due to conversion from electron convention to ion convention |
| ΔrH° | 85.8 ± 2.6 | kcal/mol | TDEq | Borshchevskii, Boltalina, et al., 1988 | gas phase; Fluoride Affinity: FeF2 < FeF3 by 22.6±2.6 kcal/mol.; value altered from reference due to conversion from electron convention to ion convention |
| ΔrH° | 89.3 ± 4.1 | kcal/mol | TDEq | Kuznetsov, Korobov, et al., 1986 | gas phase; value altered from reference due to conversion from electron convention to ion convention |
| ΔrH° | 85.8 ± 2.1 | kcal/mol | TDEq | Sidirov, Borshchevsky, et al., 1986 | gas phase; Corrections to Sorokin, Sidorov, et al., 1981, better neutral pressure determination; value altered from reference due to conversion from electron convention to ion convention |
| ΔrH° | 105.4 ± 3.3 | kcal/mol | TDEq | Sorokin, Sidorov, et al., 1981 | gas phase; Fluoride Affinity: 15.3±1.2 kcal < AlF3; value altered from reference due to conversion from electron convention to ion convention |
References
Go To: Top, Reaction thermochemistry data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Boltalina, Borshchevskii, et al., 1992
Boltalina, O.V.; Borshchevskii, A.Y.; Sidorov, L.N.,
Thermochemistry of 3d Elements Fluorides and Their Negative Ions in Gas Phase,
Russ. J. Phys. Chem., 1992, 66, 1223. [all data]
Borshchevskii, Boltalina, et al., 1988
Borshchevskii, A.Ya.; Boltalina, O.V.; Sorokin, I.D.; Sidorov, L.N.,
Thermochemical Quantities for Gas Phase Iron, Uranium, and Molybdenum Fluorides, and Their Negative Ions.,
J. Chem. Thermodyn., 1988, 20, 5, 523, https://doi.org/10.1016/0021-9614(88)90080-8
. [all data]
Kuznetsov, Korobov, et al., 1986
Kuznetsov, S.V.; Korobov, M.V.; Savinova, L.N.; Sidirov, L.N.,
Enthalpy of the addition of the F- ion to copper and iron difluorides,
Russ. J. Phys. Chem., 1986, 60, 766. [all data]
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, Reaction thermochemistry data, References
- Symbols used in this document:
ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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