MordeniteJ

Formula : Ca0.289Na0.362Al0.94Si5.06O12:3.468H2O

Family: 
Zeolites
Space group: 
Orthorhombic - Pyramidal HM symbol (mm2) Space Group: C mc21
Dana class: 
77.1.6.1VIII- 77 Tektosilicates Tectosilicate Zeolite group ; 77.1 Tektosilicates Tectosilicate Zeolite group true zeolites ; 77.1.6 Mordenite and related species

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
441.850 212.400 (Ref.: 92joh/tas) Johnson G. K., Tasker I. R., Flotow H. E., and O'Hare P. A. G. (1992) Thermodynamic studies of mordenite,dehydrated mordenite and gibbsite. American Mineralogist 77(1-2), 85-93 -6229893 (Ref.: Internal calculation) -6738439 (Ref.: 92joh/tas) Johnson G. K., Tasker I. R., Flotow H. E., and O'Hare P. A. G. (1992) Thermodynamic studies of mordenite,dehydrated mordenite and gibbsite. American Mineralogist 77(1-2), 85-93 486.540 (Ref.: 92joh/tas) Johnson G. K., Tasker I. R., Flotow H. E., and O'Hare P. A. G. (1992) Thermodynamic studies of mordenite,dehydrated mordenite and gibbsite. American Mineralogist 77(1-2), 85-93 484.45 (Ref.: 92joh/tas) Johnson G. K., Tasker I. R., Flotow H. E., and O'Hare P. A. G. (1992) Thermodynamic studies of mordenite,dehydrated mordenite and gibbsite. American Mineralogist 77(1-2), 85-93
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.
526.73 164.80 -81.27 (Ref.: 92joh/tas) Johnson G. K., Tasker I. R., Flotow H. E., and O'Hare P. A. G. (1992) Thermodynamic studies of mordenite,dehydrated mordenite and gibbsite. American Mineralogist 77(1-2), 85-93
Reaction properties

MordeniteJ + 3.76H+ + 4.772H2O ⇌ 0.94Al+3 + 0.289Ca+2 + 0.362Na+

298.15 K, 1 bar log10K: -4.16 ΔH°r:-29442 J·mol-1 (Ref.: 92joh/tas) Johnson G. K., Tasker I. R., Flotow H. E., and O'Hare P. A. G. (1992) Thermodynamic studies of mordenite,dehydrated mordenite and gibbsite. American Mineralogist 77(1-2), 85-93
T(°C) 0 25 60 100 150 200 250 300
log10K -3.88 -4.16 -4.83 -5.56 -6.30 -6.92 -7.50 -8.16
log10K(T) = A + B·T + C·T-1 + D·log10(T) + E·T−2 (T in Kelvin)
A B C D E
-2311.250170 -0.294303 144033.654234 815.416761 -9418251.995803