C3FH6

Formula : Ca3Fe2(OH)12

Family: 
Garnet

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
436.016 154.500 (Ref.: 97tay) Taylor H.F.W. , 1997 Cement Chemistry, 2nd. Ed., Thomas Telford, London. -4123573 (Ref.: Internal calculation) -4647590 (Ref.: 85bab/mat) Babushkin, V.I., Matveyev, G.M., and Mchedlov-Petrossyan, O.P. 1985. Thermodynamics of Silicates. New York, New York: Springer-Verlag. NNA.19920401.0112 436.840 (Ref.: 10bbla/bou) Blanc, Ph.; Bourbon, X.; Lassin, A.; Gaucher, E.C. 2010 - Chemical model for cement-based materials: Thermodynamic data assessment for phases other than C-S-H. Cement and Concrete Research, 40, p. 1360-1374. 484.15 (Ref.: 10bbla/bou) Blanc, Ph.; Bourbon, X.; Lassin, A.; Gaucher, E.C. 2010 - Chemical model for cement-based materials: Thermodynamic data assessment for phases other than C-S-H. Cement and Concrete Research, 40, p. 1360-1374.
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.
330.50 515.35 0.00 (Ref.: 10bbla/bou) Blanc, Ph.; Bourbon, X.; Lassin, A.; Gaucher, E.C. 2010 - Chemical model for cement-based materials: Thermodynamic data assessment for phases other than C-S-H. Cement and Concrete Research, 40, p. 1360-1374.
Reaction properties

C3FH6 + 12H+ ⇌ 3Ca+2 + 2Fe+3 + 12H2O

298.15 K, 1 bar log10K: 72.38 ΔH°r:-509370 J·mol-1 (Ref.: 85bab/mat) Babushkin, V.I., Matveyev, G.M., and Mchedlov-Petrossyan, O.P. 1985. Thermodynamics of Silicates. New York, New York: Springer-Verlag. NNA.19920401.0112
T(°C) 0 25 60 100 150 200 250 300
log10K 80.59 72.38 63.07 54.69 46.48 39.91 34.34 29.30
log10K(T) = A + B·T + C·T-1 + D·log10(T) + E·T−2 (T in Kelvin)
A B C D E
-1941.348769 -0.303353 125286.389906 703.908114 -5139096.118188