BF4-

Formula : BF4-

Dernière mise à jour le 25.01.2021

THERMODYNAMICS

Individual properties (298.15 K)
M
g·mol-1
 V°
cm3·mol-1
 ΔGºf
J·mol-1
 ΔHºf
J·mol-1
 Sº
J·mol-1·k-1
 CP
J·mol-1·K-1
86.805 42.927 (Ref.: 88sho/hel) Shock E.L. and Helgeson H.C., 1988. Calculation of the thermodynamic and transport properties of aqueous species at high pressures and temperatures: Correlation algorithms for ionic aqueous species and equation of state predictions to 5 kb and 1000C. Geochim. Cosmochim. Acta, 52, pp. 2009-2036. -1486994 (Ref.: 88sho/hel) Shock E.L. and Helgeson H.C., 1988. Calculation of the thermodynamic and transport properties of aqueous species at high pressures and temperatures: Correlation algorithms for ionic aqueous species and equation of state predictions to 5 kb and 1000C. Geochim. Cosmochim. Acta, 52, pp. 2009-2036. -1575517 (Ref.: Internal calculation) 179.912 (Ref.: 88sho/hel) Shock E.L. and Helgeson H.C., 1988. Calculation of the thermodynamic and transport properties of aqueous species at high pressures and temperatures: Correlation algorithms for ionic aqueous species and equation of state predictions to 5 kb and 1000C. Geochim. Cosmochim. Acta, 52, pp. 2009-2036. -19.42 (Ref.: 88sho/hel) Shock E.L. and Helgeson H.C., 1988. Calculation of the thermodynamic and transport properties of aqueous species at high pressures and temperatures: Correlation algorithms for ionic aqueous species and equation of state predictions to 5 kb and 1000C. Geochim. Cosmochim. Acta, 52, pp. 2009-2036.
HKF coefficients
a1·10
J·mol-1·bar-1
 a2·10-2
J·mol-1
 a3
J·K·mol-1·bar-1
 a4·10-4
J·K·mol-1
 c1
J·mol-1·K-1
 c2·10-4
J·K·mol-1
 ω·10-5
J·mol-1
33.3866 48.9641 4.8133 -13.6516 49.7649 -17.4695 4.0915
Reaction properties

B(OH)3 + 4F- + 3H+ ⇌ BF4- + 3H2O

298.15 K, 1 bar log10K: 18.15 ΔH°r:-19282 J·mol-1 (Ref.: 88sho/hel) Shock E.L. and Helgeson H.C., 1988. Calculation of the thermodynamic and transport properties of aqueous species at high pressures and temperatures: Correlation algorithms for ionic aqueous species and equation of state predictions to 5 kb and 1000C. Geochim. Cosmochim. Acta, 52, pp. 2009-2036.
T(°C) 0 25 60 100 150 200 250 300
log10K 18.58 18.15 17.94 18.03 18.49 19.27 20.40 22.09
log10K(T) = A + B·T + C·T-1 + D·log10(T) + E·T−2 (T in Kelvin)
A B C D E
2376.738655 0.376948 -129906.203034 -858.579166 7931571.726656