Input interpretation
cobalt(II) cation
Structure diagram
Structure diagram
General properties
formula | Co^(2+) net ionic charge | +2 alternate names | cobaltous | cobalt(II) | cobalt(2+)
Ionic radii
cobalt(II) cation state | radius 4-coordinate | 56 pm 6-coordinate | 65 pm 8-coordinate | 90 pm
Units
Other properties
ion class | biomolecule ions | cations | cobalt(II) ions | d block ions | group 9 ions | transition metal ions common sources of ion | cobalt dithiocyanate (1 eq) | cobalt(II) sulfate hydrate (1 eq) | cobalt(II) stearate (1 eq) | cobalt phthalocyanine (1 eq) | cobalt(II) phosphate hydrate (3 eq) | cobaltous nitrate hexahydrate (1 eq) | cobalt cyanide dihydrate (1 eq) | cobalt(II) carbonate hydrate (1 eq) | cobalt(II) 2, 3-naphthalocyanine (1 eq)
Thermodynamic properties
molar free energy of formation Δ_fG° | aqueous | -54.4 kJ/mol (kilojoules per mole) molar heat of formation Δ_fH° | aqueous | -58.2 kJ/mol (kilojoules per mole) molar entropy S° | aqueous | -113 J/(mol K) (joules per mole kelvin)