SummaryFerrous and ferric complexes of 2,4-dithiobiuret (Dtb) of the type Fe(Dtb)mX n where m, n = 1-3, and X = CI-, Br-, I-and SO42-, and a neutral Fe(Dtb-H)~ complex have been synthesized and characterised by elemental analyses, magnetic susceptibility, i.r., electronic and M6ssbauer spectroscopic studies. From its i.r. spectrum Dtb was found to act as a S,S-coordinating bidentate chelate. The magnetic moment, electronic and M6ssbauer spectra are consistent with a low spin distorted octahedral structure for the ferric complexes and a high spin form for ferrous complexes.
Die 1:2‐ und 1:3‐Umsetzung der entsprechenden Fe(III)‐ bzw."Fe(II)‐Salze mit dem Liganden in Ethanol führt zu den oktaedrischen low‐spin‐Fe(III)‐Komplexen (I) und (II) sowie den oktaedrische high‐spin‐Fe(II)‐Komplexen (III) und (IV).
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