Si6O15-6

Formula : Si6O15-6

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
408.504 -5370235 (Ref.: 07las) brgm report in progress -6004659 (Ref.: Internal calculation) -84.330 (Ref.: 17bbla) Blanc P. (2017) - Thermoddem : Update for the 2017 version. Report BRGM/RP-66811-FR, 20 p.
HKF coefficients
a1·10
J·mol-1·bar-1
 a2·10-2
J·mol-1
 a3
J·K·mol-1·bar-1
 a4·10-4
J·K·mol-1
 c1
J·mol-1·K-1
 c2·10-4
J·K·mol-1
 ω·10-5
J·mol-1
Reaction properties

6H4SiO4 ⇌ Si6O15-6 + 9H2O + 6H+

298.15 K, 1 bar log10K: -61.49 ΔH°r:176036 J·mol-1 (Ref.: Internal calculation)
T(°C) 0 25 60 100 150 200 250 300
log10K -64.33 -61.49 -58.47 -56.35 -55.17 -55.10 -55.72 -56.74
log10K(T) = A + B·T + C·T-1 + D·log10(T) + E·T−2 (T in Kelvin)
A B C D E
2602.490552 0.257628 -171554.540978 -920.011199 9877068.609070