Syntheses and properties of five-coordinate iron(III) bisdithiocarbamates

Abstract

Tris(N,N-disubstituted diithiocarbamato)iron(III) complexes, [Fe(R 2dtc 3], react with silver salts, mercuric salts, alkyl halides and strong organic acids to form [Fe(R 2dtc) 2X] complexes. Mössbauer spectra of new complexes with X = NCO −, NCS −, NCSe −, CF 3CO − 2 and picrate show widely split doublets with quadrupole splittings in the range 2.2–3.0 mm/sec, increasing in the order NCO −<NCS − <NCSe − ∼ CF 3CO − 2< picrate.