New Hofmann-T-d-type complexes in the form of M(creat)(2)M'(CN)(4) (M = Mn and Cd; M' = Zn, Cd and Hg; creat = creatinine = 2-amino-1-methyl-5H-imidazol-4-one) were prepared in powder form and their FT-IR (4000-400 cm(-1)), ...