Abstract
Six new tin (IV), antimony (III) and antimony (V) adducts and complexes have been synthesized. Discrete structures were suggested on the basis of infrared data. Within the structures, the anion behaves as a bidentate, monochelating and monodentate, monodentate and tri O-chelating ligand. The environments around metallic centres are octahedral. Considering preamble of extra hydrogen bonds in compounds containing water molecules and/or OH groups, supramolecular architectures may be given rise.
Highlights
Organic and inorganic oxyanions behaving as ligand coordinated to various metallic centres are well known
Neutralization of a tetramethylammonium hydroxide (Me4NOH) solution (20 wt. % in H2O) with pyridine-3sulfonic acid (PySO3H) allowed to obtain tetramethyl ammonium pyridine-3-sulfonate, Me4NPySO3 (L) as a white powder collected after a forced water evaporation at 60°C
While considering the tin compounds, an oxidation of tin occurs in situ during the synthesis process [7]. ʋas(SnCl4) appears in the IR spectrum of 3 as a very strong and sharp band (Eu type) indicating a transcoordination according to Groups Theory
Summary
Organic and inorganic oxyanions behaving as ligand coordinated to various metallic centres are well known. Pyridine-3-sulfonate anion has not been studied as anion in the coordinating ability of oxyanions summarized by Hathaway [1]. Several worldwide groups among them our own, focused in this field through isolation and characterization of numerous compounds with oxyanions as ligands [2,3,4,5,6]. In the work reported we have initiated the study of the interactions between PySO3NMe4 and SnCl2 2H2O, SnBr2, SbCl3 or SbCl5: this enabled to isolate and characterize by infrared six new pyridine-3-sulfonate adducts and complexes
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