Halite

Formula : NaCl

Family: 
Space group: 
Isometric - Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: F m3m
Dana class: 
9.1.1.1 (9) Anhydrous and Hydrated Halides (9.1) where A X(9.1.1) Dana Group
High temperature: 
Temperatures stability range from room temperature to ...
Geological context: 
A widespread salt, occurs comonly in sedimentary rocks, hydrothermal systems and magmatic rocks in fluid inclusions.

Dernière mise à jour le 11.06.2018

THERMODYNAMICS

Individual properties (298.15 K)
M
g·mol-1
cm3·mol-1
ΔGºf
J·mol-1
ΔHºf
J·mol-1
J·mol-1·k-1
CP
J·mol-1·K-1
58.442 27.015 -384072 -411120 72.120 50.81
Reaction properties

Halite ⇌ Cl- + Na+

298.15 K, 1 bar log10K: 1.59 ΔH°r: 3700 J·mol-1
T(°C) 0 25 60 100 150 200 250 300
log10K 1.50 1.59 1.63 1.59 1.45 1.24 0.92 0.43