Sr(HCO3)+

Formula : Sr(HCO3)+

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
148.637 14.154 (Ref.: 95sho/kor) Shock, E.L., and Koretsky, C.M., 1995, Metal-organic complexes in geochemical processes: Estimation of standard partial molal thermodynamic properties of aqueous complexes between metal cations and monovalent organic acid ligands at high pressures and temperatures. Geochim. Cosmo. Acta, 59, pp. 1497-1532. -1157447 (Ref.: 84bus/plu) Busenberg E., Plummer L.N. and Parker V.B., 1984. The solubility of strontianite (SrCO3) in CO2-H2O solutions between 2 and 91C, the association constants of SrHCO3+(aq) and SrCO3O(aq) between 5 and 80C, and an evaluation of the thermodynamic properties of Sr++(aq) and SrCO3(cr) at 25C and 1 atm total pressure. Geochim. et Cosmochim. Acta, 48, p. 2021-2035. -1215514 (Ref.: Internal calculation) 174.400 (Ref.: 84bus/plu) Busenberg E., Plummer L.N. and Parker V.B., 1984. The solubility of strontianite (SrCO3) in CO2-H2O solutions between 2 and 91C, the association constants of SrHCO3+(aq) and SrCO3O(aq) between 5 and 80C, and an evaluation of the thermodynamic properties of Sr++(aq) and SrCO3(cr) at 25C and 1 atm total pressure. Geochim. et Cosmochim. Acta, 48, p. 2021-2035. 209.73 (Ref.: 95sho/kor) Shock, E.L., and Koretsky, C.M., 1995, Metal-organic complexes in geochemical processes: Estimation of standard partial molal thermodynamic properties of aqueous complexes between metal cations and monovalent organic acid ligands at high pressures and temperatures. Geochim. Cosmo. Acta, 59, pp. 1497-1532.
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
15.4557 5.1756 22.0246 -11.8407 147.8830 30.0453 -0.0962
Reaction properties

HCO3- + Sr+2 ⇌ Sr(HCO3)+

298.15 K, 1 bar log10K: 1.18 ΔH°r:25315 J·mol-1 (Ref.: Internal calculation)
T(°C) 0 25 60 100 150 200 250 300
log10K 0.84 1.18 1.72 2.36 3.17 3.99 4.88 5.92
log10K(T) = A + B·T + C·T-1 + D·log10(T) + E·T−2 (T in Kelvin)
A B C D E
960.058526 0.151995 -55122.219586 -346.330604 3347511.289368