Sb(element)

Formula : Sb

Family: 
Element
Space group: 
Trigonal - Hexagonal Scalenohedral HM symbol (-3 2/m) Space Group: R 3m
Dana class: 
1.3.1.2I - 1 Native Elements ; 1.3 Native Elements with semi-metallic and non-metallic elements ; 1.3.1 Arsenic group

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
121.760 18.178 (Ref.: 94aki/zot) Akinfiev N.N., Zotov A.V., and Shikina N.D. (1994) Experimental investigation and thermodynamic correlation in the Sb(III)-S(II)-O-H system. Geochem. Intern. 31, 27-40. 0 (Ref.: By convention) -133 (Ref.: Internal calculation) 45.074 (Ref.: 94aki/zot) Akinfiev N.N., Zotov A.V., and Shikina N.D. (1994) Experimental investigation and thermodynamic correlation in the Sb(III)-S(II)-O-H system. Geochem. Intern. 31, 27-40. 26.66 (Ref.: 94aki/zot) Akinfiev N.N., Zotov A.V., and Shikina N.D. (1994) Experimental investigation and thermodynamic correlation in the Sb(III)-S(II)-O-H system. Geochem. Intern. 31, 27-40.
CP(T) = a + b·T + ·c·T-2 (T in Kelvin)
a
J·mol-1·K-1
 b * 103
J·mol-1·K-2
 c * 10-5
J·K·mol-1
 Maier Kelley Ref.
10.42 24.81 7.87 (Ref.: 94aki/zot) Akinfiev N.N., Zotov A.V., and Shikina N.D. (1994) Experimental investigation and thermodynamic correlation in the Sb(III)-S(II)-O-H system. Geochem. Intern. 31, 27-40.
Reaction properties

Sb(element) + 0.75O2 + 1.5H2O ⇌ Sb(OH)3

298.15 K, 1 bar log10K: 52.74 ΔH°r:-316199 J·mol-1 (Ref.: Internal calculation)
T(°C) 0 25 60 100 150 200 250 300
log10K 57.81 52.74 46.91 41.55 36.22 31.97 28.48 25.53
log10K(T) = A + B·T + C·T-1 + D·log10(T) + E·T−2 (T in Kelvin)
A B C D E
-39.870715 -0.012317 17752.812588 15.100207 -55098.189807