Iridium

Thermodynamic properties




ΔfH°gas (kJ/mol): 669±8 [1]
665.3 [3]
ΔfH°solid (kJ/mol): 0.0 [3]
ΔfH°fusion (kJ/mol): 26.4 [1]
41.12 [3]
ΔfH°vaporization (kJ/mol): 612±13 [1]
S°gas (J/mol·K): 193.6 [3]
S°solid (J/mol·K): 35.5 [3]
ΔfG°gas (kJ/mol): 617.9 [3]
Cp (gas) (J/mol·K): 20.8 (25 °C) [3]
Cp (solid) (J/mol·K): 25.0207 (20 °C) [2]
25.1 (25 °C) [3]
25.7448 (100 °C) [2]
27.2734 (500 °C) [2]
30.5719 (1000 °C) [2]
Coeff. of linear thermal expansion (106 K-1): 6.4 (25 °C) [3]
6.8 (100 °C) [2]
7.2 (500 °C) [2]
7.8 (1000 °C) [2]