Aluminum fluoride

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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.

Quantity Value Units Method Reference Comment
Δfgas-289.034kcal/molReviewChase, 1998Data last reviewed in September, 1979
Quantity Value Units Method Reference Comment
gas,1 bar66.126cal/mol*KReviewChase, 1998Data last reviewed in September, 1979

Gas Phase Heat Capacity (Shomate Equation)

Cp° = A + B*t + C*t2 + D*t3 + E/t2
H° − H°298.15= A*t + B*t2/2 + C*t3/3 + D*t4/4 − E/t + F − H
S° = A*ln(t) + B*t + C*t2/2 + D*t3/3 − E/(2*t2) + G
    Cp = heat capacity (cal/mol*K)
    H° = standard enthalpy (kcal/mol)
    S° = standard entropy (cal/mol*K)
    t = temperature (K) / 1000.

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Temperature (K) 4000. to 6000.
A 19.85360
B 0.008101
C -0.001352
D 0.000080
E -0.795099
F -297.1800
G 86.79419
H -289.0349
ReferenceChase, 1998
Comment Data last reviewed in September, 1979

Condensed 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.

Quantity Value Units Method Reference Comment
Δfliquid-340.048kcal/molReviewChase, 1998Data last reviewed in September, 1979
Quantity Value Units Method Reference Comment
liquid,1 bar22.80cal/mol*KReviewChase, 1998Data last reviewed in September, 1979
Quantity Value Units Method Reference Comment
Δfsolid-360.99 ± 0.31kcal/molReviewCox, Wagman, et al., 1984CODATA Review value
Δfsolid-360.999kcal/molReviewChase, 1998Data last reviewed in September, 1979
Quantity Value Units Method Reference Comment
solid,1 bar15.9 ± 0.1cal/mol*KReviewCox, Wagman, et al., 1984CODATA Review value
Quantity Value Units Method Reference Comment
solid15.89cal/mol*KReviewChase, 1998Data last reviewed in September, 1979

Liquid Phase Heat Capacity (Shomate Equation)

Cp° = A + B*t + C*t2 + D*t3 + E/t2
H° − H°298.15= A*t + B*t2/2 + C*t3/3 + D*t4/4 − E/t + F − H
S° = A*ln(t) + B*t + C*t2/2 + D*t3/3 − E/(2*t2) + G
    Cp = heat capacity (cal/mol*K)
    H° = standard enthalpy (kcal/mol)
    S° = standard entropy (cal/mol*K)
    t = temperature (K) / 1000.

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Temperature (K) 2523. to 4000.
A 30.00000
B -6.304401×10-7
C 1.676970×10-7
D -1.551321×10-8
E -6.130620×10-7
F -357.6690
G 48.15970
H -340.0480
ReferenceChase, 1998
Comment Data last reviewed in September, 1979

Solid Phase Heat Capacity (Shomate Equation)

Cp° = A + B*t + C*t2 + D*t3 + E/t2
H° − H°298.15= A*t + B*t2/2 + C*t3/3 + D*t4/4 − E/t + F − H
S° = A*ln(t) + B*t + C*t2/2 + D*t3/3 − E/(2*t2) + G
    Cp = heat capacity (cal/mol*K)
    H° = standard enthalpy (kcal/mol)
    S° = standard entropy (cal/mol*K)
    t = temperature (K) / 1000.

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Temperature (K) 298. to 728.728. to 2523.
A -6.49465222.21970
B 142.03302.071660
C -249.10900.035493
D 158.3280-0.001599
E 0.004604-0.225330
F -363.4739-368.3960
G -24.6188140.69680
H -361.0000-361.0000
ReferenceChase, 1998Chase, 1998
Comment Data last reviewed in September, 1979 Data last reviewed in September, 1979

Phase change 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.

Antoine Equation Parameters

log10(P) = A − (B / (T + C))
    P = vapor pressure (atm)
    T = temperature (K)

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Temperature (K) A B C Reference Comment
1511. to 1810.7.124347298.239-784.204Stull, 1947Coefficents calculated by NIST from author's data.

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 as indicated in comments:
B - John E. Bartmess
M - Michael M. Meot-Ner (Mautner) and Sharon G. Lias

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

Fluorine anion + Aluminum fluoride = (Fluorine anion • Aluminum fluoride)

By formula: F- + AlF3 = (F- • AlF3)

Quantity Value Units Method Reference Comment
Δr120. ± 20.kcal/molAVGN/AAverage of 7 values; Individual data points

AlF4- + Aluminum fluoride = (AlF4- • Aluminum fluoride)

By formula: AlF4- + AlF3 = (AlF4- • AlF3)

Quantity Value Units Method Reference Comment
Δr48.8 ± 1.0kcal/molTDAsSidorov, Nikitin, et al., 1980gas phase; value altered from reference due to conversion from electron convention to ion convention; B
Quantity Value Units Method Reference Comment
Δr41.8 ± 2.0kcal/molTDAsSidorov, Nikitin, et al., 1980gas phase; value altered from reference due to conversion from electron convention to ion convention; B

Chlorine anion + Aluminum fluoride = (Chlorine anion • Aluminum fluoride)

By formula: Cl- + AlF3 = (Cl- • AlF3)

Quantity Value Units Method Reference Comment
Δr74.3 ± 2.9kcal/molTDAsPervova, Korobov, et al., 1992gas phase; Thermo at 0K, experiment at 800-1100 K. See also AlClF2..F-; value altered from reference due to conversion from electron convention to ion convention; B

(Fluorine anion • Aluminum fluoride) + Aluminum fluoride = (Fluorine anion • 2Aluminum fluoride)

By formula: (F- • AlF3) + AlF3 = (F- • 2AlF3)

Quantity Value Units Method Reference Comment
Δr56.kcal/molMSPyatenko, Gusarov, et al., 1981gas phase; Knudsen cell; M
Δr48.8kcal/molMSNikitin, Skokan, et al., 1979gas phase; Knudsen cell; M

References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Chase, 1998
Chase, M.W., Jr., NIST-JANAF Themochemical Tables, Fourth Edition, J. Phys. Chem. Ref. Data, Monograph 9, 1998, 1-1951. [all data]

Cox, Wagman, et al., 1984
Cox, J.D.; Wagman, D.D.; Medvedev, V.A., CODATA Key Values for Thermodynamics, Hemisphere Publishing Corp., New York, 1984, 1. [all data]

Stull, 1947
Stull, Daniel R., Vapor Pressure of Pure Substances. Organic and Inorganic Compounds, Ind. Eng. Chem., 1947, 39, 4, 517-540, https://doi.org/10.1021/ie50448a022 . [all data]

Sidorov, Nikitin, et al., 1980
Sidorov, L.N.; Nikitin, M.I.; Skokan, E.V.; Sorokin, I.D., Mass-spectrometric determination of enthalpies of dissociation of gaseous complex fluorides into neutral and charged particles. II. Heats of formation of AlF4- and KF2-, Int. J. Mass Spectrom. Ion Phys., 1980, 35, 203. [all data]

Pervova, Korobov, et al., 1992
Pervova, Y.U.; Korobov, M.V.; Sidorov, L.N., Enthalpies of Bonds Rupture in AlClnF4-n(-) Anions, Russ. J. Phys. Chem., 1992, 66, 635. [all data]

Pyatenko, Gusarov, et al., 1981
Pyatenko, A.T.; Gusarov, A.V.; Gorokhov, L.N., Negative Ions in the Vapor Over Lanthanum Trifluoride, High Temp., 1981, 19, 241. [all data]

Nikitin, Skokan, et al., 1979
Nikitin, M.I.; Skokan, E.V.; Sorokin, I.D.; Sidorov, L.N., Sov. Phys. Dokl., 1979, 247, 594. [all data]


Notes

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, References