Monetite

Formula : CaHPO4

Space group: 
Triclinic Pedial or Pinacoidal HM symbol (1 or -1) Space Group: P1
Dana class: 
37.1.1.14 2m ; 37.1 Anhydrous Acid Phosphates, etc with miscellaneous formulae ; 37.1.1

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
136.057 46.450 -1688246 -1821502 111.380 111.60
Reaction properties

Monetite + H+ ⇌ Ca+2 + H2PO4-

298.15 K, 1 bar log10K: 0.30 ΔH°r: -24098 J·mol-1
T(°C) 0 25 60 100 150 200 250 300
log10K 0.65 0.30 -0.19 -0.75 -1.45 -2.19 -3.00 -4.00