Olivenite

Formula : Cu₂AsO₄(OH)

Family:

Space group:

Monoclinic - PrismaticH-M Symbol (2/m) Space Group: P 21/n

Dernière mise à jour le 06.01.2021

Individual properties (298.15 K)

M g·mol^-1	V° cm³·mol^-1	ΔGº_f J·mol^-1	ΔHº_f J·mol^-1	Sº J·mol^-1·k^-1	C_P J·mol^-1·K^-1
283.019	63.600	-846580

C_P(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

Reaction properties

Olivenite + 3H⁺ ⇌ H₂AsO₄^- + 2Cu⁺² + H₂O

298.15 K, 1 bar log₁₀K: 2.39 ΔH°_r: J·mol^-1

T(°C)	0	25	60	100	150	200	250	300
log₁₀K	2.39	2.39	2.39	2.39	2.39	2.39	2.39	2.39

log₁₀K(T) = A + B·T + C·T^-1 + D·log₁₀(T) + E·T⁻² (T in Kelvin)

A	B	C	D	E
2.391016	0.000000	0.000000	0.000000	0.000000