Recently,C.M. M’thiruaine, H.B. Friedrich, E.O. Changamu and B. Omondi reported on the syntheses and molecular structures of various nitrogen-containing iron complexes. Have shown that the cations [Cp'(CO)2Fe]+ (Cp'=η5-C5R5;R=H, CH3) preferentially coordinate to the amine functionality of heterofunctional molecules containing other possible electron donors