CrOH+

Formula : CrOH+

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
68.973 0.000 (Ref.: 97sho/sas) Shock E.L., Sassani D.C., Willis M., and Sverjensky D.A., 1997. Inorganic species in geologic fluids: Correlations among standard molal thermodynamic properties of aqueous ions and hydroxide complexes. Geochim. Cosmo. Acta, 61, p. 907 950. -366320 (Ref.: 83mic/deb) Micskei K., Debreczeni F. and Nagypal I., 1983. Equilibria in aqueous solutions of some chromium (2+) complexes. J. Chem. Soc. Dalton Trans., p. 1335-1338. -413217 (Ref.: Internal calculation) -31.100 (Ref.: 97asho/sas) Shock, E.L., Sassani, D.C., Willis, M., and Sverjensky, D.A., 1997, Inorganic species in geologic fluids: Correlations among standard molal thermodynamic properties of aqueous ions and hydroxide complexes: Geochim. Cosmo. Acta, v. 61, no. 5, pp. 907-950. 73.00 (Ref.: 97sho/sas) Shock E.L., Sassani D.C., Willis M., and Sverjensky D.A., 1997. Inorganic species in geologic fluids: Correlations among standard molal thermodynamic properties of aqueous ions and hydroxide complexes. Geochim. Cosmo. Acta, 61, p. 907 950.
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
0.0000 0.0000 0.0000 0.0000 73.0000 0.0000 0.0000
Reaction properties

Cr+2 + H2O ⇌ CrOH+ + H+

298.15 K, 1 bar log10K: -5.30 ΔH°r:30313 J·mol-1 (Ref.: Internal calculation)
T(°C) 0 25 60 100 150 200 250 300
log10K -5.78 -5.30 -4.74 -4.21 -3.67 -3.20 -2.76 -2.30
log10K(T) = A + B·T + C·T-1 + D·log10(T) + E·T−2 (T in Kelvin)
A B C D E
327.283084 0.052421 -18976.263695 -119.462542 980975.472334