Au(HS)2-

Formula : Au(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
263.114 75.280 (Ref.: 01aki/zot) Akinfiev N. N. and Zotov A. V., 2001. Thermodynamic Description of Chloride, Hydrosulfide, and Hydroxo Complexes of Ag(I), Cu(I), and Au(I) at Temperatures of 25-500oC and Pressures of 1-2000 bar. Geochem. Intern., v. 39, No 10, p. 990-1006. Abstract 7653 (Ref.: 01aki/zot) Akinfiev N. N. and Zotov A. V., 2001. Thermodynamic Description of Chloride, Hydrosulfide, and Hydroxo Complexes of Ag(I), Cu(I), and Au(I) at Temperatures of 25-500oC and Pressures of 1-2000 bar. Geochem. Intern., v. 39, No 10, p. 990-1006. Abstract -10925 (Ref.: Internal calculation) 245.308 (Ref.: 01aki/zot) Akinfiev N. N. and Zotov A. V., 2001. Thermodynamic Description of Chloride, Hydrosulfide, and Hydroxo Complexes of Ag(I), Cu(I), and Au(I) at Temperatures of 25-500oC and Pressures of 1-2000 bar. Geochem. Intern., v. 39, No 10, p. 990-1006. Abstract -24.43 (Ref.: 01aki/zot) Akinfiev N. N. and Zotov A. V., 2001. Thermodynamic Description of Chloride, Hydrosulfide, and Hydroxo Complexes of Ag(I), Cu(I), and Au(I) at Temperatures of 25-500oC and Pressures of 1-2000 bar. Geochem. Intern., v. 39, No 10, p. 990-1006. Abstract
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
51.6983 93.6722 -12.7599 -15.4996 13.7980 -4.7057 3.4823
Reaction properties

Au+ + 2HS- ⇌ Au(HS)2-

298.15 K, 1 bar log10K: 31.54 ΔH°r:-167409 J·mol-1 (Ref.: 01aki/zot) Akinfiev N. N. and Zotov A. V., 2001. Thermodynamic Description of Chloride, Hydrosulfide, and Hydroxo Complexes of Ag(I), Cu(I), and Au(I) at Temperatures of 25-500oC and Pressures of 1-2000 bar. Geochem. Intern., v. 39, No 10, p. 990-1006. Abstract
T(°C) 0 25 60 100 150 200 250 300
log10K 34.26 31.54 28.49 25.79 23.21 21.29 19.89 19.00
log10K(T) = A + B·T + C·T-1 + D·log10(T) + E·T−2 (T in Kelvin)
A B C D E
974.822599 0.149203 -45421.600695 -352.386855 3247439.675826