Synthesis and solvent dependency study of a novel iron complex with mono-cyanide and mono-carbonyl coordination

[(1,5,8,12-Tetraazadodecane)-cyano-iron carbonyl] (1), in which the iron center is coordinated with one cyanide and one carbonyl in cis- arrangement, was synthesized. Infrared study of 1 has shown that the both CN and CO stretching frequencies are very sensitive to the hydrogen bonding ability of the solvent system.