A series of Ir(III) complexes ( 4 )-( 6 ) of formula [Ir(C <^> N)(2)(pyrald)] were designed and synthesised from the reaction of [(C <^> N)(2)Ir(mu-Cl)(2)Ir(C <^> N)(2)] and pyridine-2-aldoxime (pyrald) {C <^> N = ...