Hydrozincite(mc)

Formula : Zn5(OH)6(CO3)2

Family: 
Carbonates
Space group: 
Monoclinic - PrismaticH-M Symbol (2/m) Space Group: C 2/m

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
549.012 139.340 (Ref.: 63wyc) Wyckoff, R.W.G., 1963, Crystal Structures, Second edition, tome 4, Interscience Publishers, New York, p. 320-322. -3163135 (Ref.: 13pow/bro) Powell, K.J., Brown, P.L., Byrne, R.H., Gajda, T., Hefter, G., Leuz, A.-K., Sjoberg, S., Wanner, H., 2013. Chemical speciation of environmentally significant metals with inorganic ligands. Part 5: The Zn2++ OH-, Cl-, CO32-, SO42-, and PO43-systems (IUPAC Technical Report). Pure and Applied Chemistry 85, 2249-2311. -3584000 (Ref.: 13pow/bro) Powell, K.J., Brown, P.L., Byrne, R.H., Gajda, T., Hefter, G., Leuz, A.-K., Sjoberg, S., Wanner, H., 2013. Chemical speciation of environmentally significant metals with inorganic ligands. Part 5: The Zn2++ OH-, Cl-, CO32-, SO42-, and PO43-systems (IUPAC Technical Report). Pure and Applied Chemistry 85, 2249-2311. 431.429 (Ref.: Internal calculation) 367.66 (Ref.: 01pre/gam) Preis W., and Gamsjager H., 2001. Invited Review Thermodynamic Investigation of Phase Equilibria in Metal Carbonate Water Carbon Dioxide Systems. Monatshefte fur Chemie, 132, p. 1327 1346.
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.
119.00 834.00 0.00 (Ref.: 01pre/gam) Preis W., and Gamsjager H., 2001. Invited Review Thermodynamic Investigation of Phase Equilibria in Metal Carbonate Water Carbon Dioxide Systems. Monatshefte fur Chemie, 132, p. 1327 1346.
Reaction properties

Hydrozincite(mc) + 8H+ ⇌ 2HCO3- + 5Zn+2 + 6H2O

298.15 K, 1 bar log10K: 29.71 ΔH°r:-277767 J·mol-1 (Ref.: 13pow/bro) Powell, K.J., Brown, P.L., Byrne, R.H., Gajda, T., Hefter, G., Leuz, A.-K., Sjoberg, S., Wanner, H., 2013. Chemical speciation of environmentally significant metals with inorganic ligands. Part 5: The Zn2++ OH-, Cl-, CO32-, SO42-, and PO43-systems (IUPAC Technical Report). Pure and Applied Chemistry 85, 2249-2311.
T(°C) 0 25 60 100 150 200 250 300
log10K 34.13 29.71 24.58 19.88 15.13 11.11 7.39 3.55
log10K(T) = A + B·T + C·T-1 + D·log10(T) + E·T−2 (T in Kelvin)
A B C D E
-2980.340378 -0.465843 171802.538042 1079.609475 -8775057.192750