Connellite

Formula : Cu37Cl8(SO4)2(OH)62:8H2O

Family: 
Hydroxides
Space group: 
Hexagonal - Ditrigonal Dipyramidal HM symbol (6 m2) Space Group: P 62c
High temperature: 
low temperature (surface)
Geological context: 
secondary mineral of oxidized copper mineralizations

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
4025.530 1163.450 (Ref.: 90rob/cam) Roberts, Willard L., Campbell, Thomas J., and Rapp, George R.: Encyclopedia of Minerals. (Van Nostrand Reinhold Co., 2nd ed., 1990) -15657986 (Ref.: 00pui) Puigdomenech, I., 2000. Thermodynamic data for copper: implications for the corrosion of copper under repository conditions, SKB report. SKB/Swedish Nuclear Fuel and Waste Management, p. 96. -19197453 (Ref.: Internal calculation) 3409.000 (Ref.: 00pui) Puigdomenech, I., 2000. Thermodynamic data for copper: implications for the corrosion of copper under repository conditions, SKB report. SKB/Swedish Nuclear Fuel and Waste Management, p. 96. 3525.30 (Ref.: 00pui) Puigdomenech, I., 2000. Thermodynamic data for copper: implications for the corrosion of copper under repository conditions, SKB report. SKB/Swedish Nuclear Fuel and Waste Management, p. 96.
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.
3525.30 0.00 0.00 (Ref.: 00pui) Puigdomenech, I., 2000. Thermodynamic data for copper: implications for the corrosion of copper under repository conditions, SKB report. SKB/Swedish Nuclear Fuel and Waste Management, p. 96.
Reaction properties

Connellite + 62H+ ⇌ 8Cl- + 37Cu+2 + 2SO4-2 + 70H2O

298.15 K, 1 bar log10K: 188.07 ΔH°r:-1554399 J·mol-1 (Ref.: Internal calculation)
T(°C) 0 25 60 100 150 200 250 300
log10K 212.94 188.07 159.59 133.87 108.38 87.11 67.40 46.53
log10K(T) = A + B·T + C·T-1 + D·log10(T) + E·T−2 (T in Kelvin)
A B C D E
-20100.792033 -3.071750 1151055.790916 7280.317535 -59614214.167457