SEARCH Articles Figures Tables Complexes containing five metal ions Five METAL COORDINATION COMPOUNDS Five Valence Orbitals of Tetracoordinated Metal Five block metal complexes Five-membered heterocycles metallation regioselectivity Five-membered rings metal complexes Heteroaromatics metallated five-membered systems Metal Complexes Co-ordination Numbers Four and Five Side-chain metallation five-membered heterocycles Transition metal complexes five-coordinate