Lansfordite

Formula : MgCO3:5H2O

Space group: 
Monoclinic - Prismatic HM symbol (2/m) Space Group: P 21/a
Dana class: 
15.1.6.1V - 15 Hydrated Carbonates ; 15.1 Hydrated Carbonates where A+ (XO3) . x(H2O) ; 14.4.6

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
174.390 101.988 -2197737 -2574270 249.520
Reaction properties

Lansfordite + H+ ⇌ HCO3- + Mg+2 + 5H2O

298.15 K, 1 bar log10K: 5.29 ΔH°r: -11810 J·mol-1
T(°C) 0 25 60 100 150 200 250 300
log10K 5.55 5.29 5.18 5.30 5.65 6.10 6.53 6.83