Infrared and MÖSSBAUER spectroscopic studies on complexes of Hal2SnIV moieties with tridentate ligands

Abstract
Novel complexes hal2Sntrid, where hal  Cl, Br, and trid2− are dianions of „planar”︁ tridentate ligands with ONO and SNO donor basic atoms, were synthesized and structurally investigated in the solid state mainly by far infrared and MÖSSBAUER spectroscopy. Possible configurations were advanced and discussed, and it was concluded that the most probable is a monomeric trigonal bipyramidal structure for all compounds, although polymers, or dimers with O or Cl bridges, were not a priori excluded, in a special way for Br2Sntrid.
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