Input interpretation
![barium cation](../image_source/f2d63cf4aa05a8d95edd7128b72d5863.png)
barium cation
Structure diagram
![Structure diagram](../image_source/0297a7806f5f6a60529ac1b26fa8120c.png)
Structure diagram
General properties
![formula | Ba^(2+) net ionic charge | +2 alternate names | barium ion | barium(II) | barium(2+)](../image_source/4256405317541532f1743124fd260b10.png)
formula | Ba^(2+) net ionic charge | +2 alternate names | barium ion | barium(II) | barium(2+)
Ionic radii
![barium cation state | radius 6-coordinate | 135 pm 8-coordinate | 142 pm 12-coordinate | 161 pm](../image_source/4d0ee8a30064cc5240f7cc29d981e9bc.png)
barium cation state | radius 6-coordinate | 135 pm 8-coordinate | 142 pm 12-coordinate | 161 pm
Units
Other properties
![ion class | alkaline earth metal ions | biomolecule ions | cations | group 2 ions | monatomic cations | s block ions common sources of ion | barium zirconate (1 eq) | barium yttrium tungsten oxide (3 eq) | barium tungstate (1 eq) | barium thiocyanate hydrate (1 eq) | barium sulfate (1 eq) | barium selenite (1 eq) | barium selenate(VI) (1 eq) | barium di(toluene-4-sulfonate) (1 eq) | barium periodate (1 eq)](../image_source/01c9d3f8272476fca2ff80a745045bca.png)
ion class | alkaline earth metal ions | biomolecule ions | cations | group 2 ions | monatomic cations | s block ions common sources of ion | barium zirconate (1 eq) | barium yttrium tungsten oxide (3 eq) | barium tungstate (1 eq) | barium thiocyanate hydrate (1 eq) | barium sulfate (1 eq) | barium selenite (1 eq) | barium selenate(VI) (1 eq) | barium di(toluene-4-sulfonate) (1 eq) | barium periodate (1 eq)
Thermodynamic properties
![molar free energy of formation Δ_fG° | aqueous | -560.8 kJ/mol (kilojoules per mole) molar heat of formation Δ_fH° | aqueous | -537.6 kJ/mol (kilojoules per mole) molar entropy S° | aqueous | 9.6 J/(mol K) (joules per mole kelvin)](../image_source/7a4596f208d359129a7e3bd02f76d330.png)
molar free energy of formation Δ_fG° | aqueous | -560.8 kJ/mol (kilojoules per mole) molar heat of formation Δ_fH° | aqueous | -537.6 kJ/mol (kilojoules per mole) molar entropy S° | aqueous | 9.6 J/(mol K) (joules per mole kelvin)