mer-[Fe(pcq)(CN)3]-: A Novel Cyanide-Containing Building Block and Its Application to Assembling Cyanide-Bridged Trinuclear FeIII2MnII Complexes [pcq- = 8-(Pyridine-2-carboxamido)quinoline Anion]
摘要:
A new cyanide-containing building block K[Fe(pcq)(CN)(3)] [1; pcq(-) = 8-(pyridine-2-carboxamido)quinoline anion] containing a low-spin Fe-III center with three cyanide groups in a meridional arrangement has been successfully designed and synthesized. Three cyanide-bridged trinuclear (Fe2MnII)-Mn-III complexes, [Fe(pcq)(CN)(3)](2)[Mn(CH3OH)(2)(H2O)(2)]center dot 2H(2)O (2), [Fe(pcq)(CN)(3)](2)[Mn(bipy)(2)](center dot) CH3OH center dot 2H(2)O (3), and [Fe(pcq)(CN)(3)](2)[Mn(phen)(2)]center dot CH3OH center dot 2H(2)O (4), have been synthesized and structurally characterized. The magnetic susceptibilities of the three heterometallic complexes have been investigated.