Rozenite

Formula : FeSO4:4H2O

Space group: 
Monoclinic - Prismatic HM symbol (2/m) Space Group: P 21/n
Dana class: 
29.6.6.1VI- 29 Hydrated Acid and Sulfates ; 29.6 Hydrated Acid and Sulfates where A XO4 . x(H2O) ; 29.6.6 Rozenite Group (Monoclinic)

Dernière mise à jour le 11.06.2018

THERMODYNAMICS

Individual properties (298.15 K)
M
g·mol-1
cm3·mol-1
ΔGºf
J·mol-1
ΔHºf
J·mol-1
J·mol-1·k-1
CP
J·mol-1·K-1
223.972 96.500 -1792800 -2127700 279.442
Reaction properties

Rozenite ⇌ Fe+2 + SO4-2 + 4H2O

298.15 K, 1 bar log10K: -1.70 ΔH°r: -14960 J·mol-1
T(°C) 0 25 60 100 150 200 250 300
log10K -1.46 -1.70 -1.96 -2.15 -2.31 -2.48 -2.77 -3.36