Fe(HS)2

Formula : Fe(HS)2

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
121.995 -102861 (Ref.: 99dav/phi) Davison W., Phillips N., and Tabner B. J. (1999) Soluble iron sulfide species in natural waters: Reappraisal of their stoichiometry and stability constants. Aquatic Sciences - Research Across Boundaries 61(1), 23-43. -159449 (Ref.: Internal calculation) 32.310 (Ref.: 17bbla) Blanc P. (2017) - Thermoddem : Update for the 2017 version. Report BRGM/RP-66811-FR, 20 p.
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
Reaction properties

Fe+2 + 2HS- ⇌ Fe(HS)2

298.15 K, 1 bar log10K: 6.45 ΔH°r:-36849 J·mol-1 (Ref.: Internal calculation)
T(°C) 0 25 60 100 150 200 250 300
log10K 7.11 6.45 5.86 5.49 5.37 5.55 6.05 6.97
log10K(T) = A + B·T + C·T-1 + D·log10(T) + E·T−2 (T in Kelvin)
A B C D E
1609.776398 0.259281 -86157.616722 -586.257267 5244579.143772