I3-

Formula : I3-

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
380.713 57.143 (Ref.: 88sho/hel) Shock E.L. and Helgeson H.C., 1988. Calculation of the thermodynamic and transport properties of aqueous species at high pressures and temperatures: Correlation algorithms for ionic aqueous species and equation of state predictions to 5 kb and 1000C. Geochim. Cosmochim. Acta, 52, pp. 2009-2036. -51463 (Ref.: 88sho/hel) Shock E.L. and Helgeson H.C., 1988. Calculation of the thermodynamic and transport properties of aqueous species at high pressures and temperatures: Correlation algorithms for ionic aqueous species and equation of state predictions to 5 kb and 1000C. Geochim. Cosmochim. Acta, 52, pp. 2009-2036. -51530 (Ref.: Internal calculation) 239.325 (Ref.: 88sho/hel) Shock E.L. and Helgeson H.C., 1988. Calculation of the thermodynamic and transport properties of aqueous species at high pressures and temperatures: Correlation algorithms for ionic aqueous species and equation of state predictions to 5 kb and 1000C. Geochim. Cosmochim. Acta, 52, pp. 2009-2036. 57.94 (Ref.: 88sho/hel) Shock E.L. and Helgeson H.C., 1988. Calculation of the thermodynamic and transport properties of aqueous species at high pressures and temperatures: Correlation algorithms for ionic aqueous species and equation of state predictions to 5 kb and 1000C. Geochim. Cosmochim. Acta, 52, pp. 2009-2036.
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
41.2124 68.0724 -2.6974 -14.4415 87.3251 -1.5318 3.1916
Reaction properties

0.5O2 + 2H+ + 3I- ⇌ I3- + H2O

298.15 K, 1 bar log10K: 24.72 ΔH°r:-160570 J·mol-1 (Ref.: 88sho/hel) Shock E.L. and Helgeson H.C., 1988. Calculation of the thermodynamic and transport properties of aqueous species at high pressures and temperatures: Correlation algorithms for ionic aqueous species and equation of state predictions to 5 kb and 1000C. Geochim. Cosmochim. Acta, 52, pp. 2009-2036.
T(°C) 0 25 60 100 150 200 250 300
log10K 27.37 24.72 21.87 19.49 17.42 16.10 15.38 15.27
log10K(T) = A + B·T + C·T-1 + D·log10(T) + E·T−2 (T in Kelvin)
A B C D E
1296.877305 0.216332 -62986.978239 -474.542797 4340642.420748