Cobalt

Atom properties


Radii


Ionic radius (Å): Co(IV): 0.53 (6-coordinate) [1]
Co(III): 0.545 (6-coordinate, low-spin) [1]
Co(III): 0.61 (6-coordinate, high-spin) [1]
Co(II): 0.65 (6-coordinate, low-spin) [1]
Co(II): 0.745 (6-coordinate, high-spin) [1]


Electron configuration


Ground state: 1s2-2s2-2p6-3s2-3p6-3d7-4s1