H2Sb2S4

Formula : H2Sb2S4

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
373.800 70.725 (Ref.: 05bes/app) Bessinger, B. and Apps, J.A., 2005. The Hydrothermal Chemistry of Gold, Arsenic, Antimony, Mercury and Silver. Report LBNL-57395, 52 p. -148482 (Ref.: 05bes/app) Bessinger, B. and Apps, J.A., 2005. The Hydrothermal Chemistry of Gold, Arsenic, Antimony, Mercury and Silver. Report LBNL-57395, 52 p. -166291 (Ref.: Internal calculation) 290.202 (Ref.: 05bes/app) Bessinger, B. and Apps, J.A., 2005. The Hydrothermal Chemistry of Gold, Arsenic, Antimony, Mercury and Silver. Report LBNL-57395, 52 p. 296.44 (Ref.: 05bes/app) Bessinger, B. and Apps, J.A., 2005. The Hydrothermal Chemistry of Gold, Arsenic, Antimony, Mercury and Silver. Report LBNL-57395, 52 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
47.8097 84.1804 -8.8851 -15.1072 198.7500 48.0708 -0.1590
Reaction properties

4HS- + 2Sb(OH)3 + 4H+ ⇌ H2Sb2S4 + 6H2O

298.15 K, 1 bar log10K: 58.09 ΔH°r:-307718 J·mol-1 (Ref.: Internal calculation)
T(°C) 0 25 60 100 150 200 250 300
log10K 63.14 58.09 52.59 47.91 43.77 41.03 39.42 39.01
log10K(T) = A + B·T + C·T-1 + D·log10(T) + E·T−2 (T in Kelvin)
A B C D E
2537.701856 0.417534 -121866.285833 -924.655318 8235117.615643