FeOH+

Formula : FeOH+

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
72.854 -16.553 (Ref.: 97asho/sas) Shock, E.L., Sassani, D.C., Willis, M., and Sverjensky, D.A., 1997, Inorganic species in geologic fluids: Correlations among standard molal thermodynamic properties of aqueous ions and hydroxide complexes: Geochim. Cosmo. Acta, v. 61, no. 5, pp. 907-950. -273444 (Ref.: 76bae/mes) Baes Jr. C.F., and Mesmer R.E., 1976. The Hydrolysis of Cations. Wiley Interscience, 489 pp. -320601 (Ref.: 76bae/mes) Baes Jr. C.F., and Mesmer R.E., 1976. The Hydrolysis of Cations. Wiley Interscience, 489 pp. -28.270 (Ref.: Internal calculation) 65.63 (Ref.: 97asho/sas) Shock, E.L., Sassani, D.C., Willis, M., and Sverjensky, D.A., 1997, Inorganic species in geologic fluids: Correlations among standard molal thermodynamic properties of aqueous ions and hydroxide complexes: Geochim. Cosmo. Acta, v. 61, no. 5, pp. 907-950.
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
-1.0715 -35.1619 37.8472 -10.1734 89.5765 0.0874 2.9301
Reaction properties

Fe+2 + H2O ⇌ FeOH+ + H+

298.15 K, 1 bar log10K: -9.50 ΔH°r:55228 J·mol-1 (Ref.: 76bae/mes) Baes Jr. C.F., and Mesmer R.E., 1976. The Hydrolysis of Cations. Wiley Interscience, 489 pp.
T(°C) 0 25 60 100 150 200 250 300
log10K -10.38 -9.50 -8.48 -7.55 -6.62 -5.88 -5.25 -4.69
log10K(T) = A + B·T + C·T-1 + D·log10(T) + E·T−2 (T in Kelvin)
A B C D E
200.441694 0.030052 -13947.720288 -72.506144 648023.495477