Skip to main content
. 2019 May 14;7:335. doi: 10.3389/fchem.2019.00335

Table 1.

Ionic radius of metal ions.

Metal ion Coordination number Ionic radius (Å)
Li+ VI 0.76
Mg2+ VI 0.72
Al3+ VI 0.535
Ti4+ VI 0.605
V5+ VI 0.54
Cr3+ VI 0.615
Mn4+ VI 0.53
Fe3+ VI 0.55(L); 0.645(H)*
Co3+ VI 0.545(L); 0.61 (H)
Ni2+ VI 0.69
Cu2+ VI 0.73
Zn2+ VI 0.74
*

L means low spin while H means high spin.