Abstract
A series of organotin (IV) compounds of the type [R 3SnL] 2, R is Me ( 1), Bu ( 2), [R 2SnL] 2, R is Ph ( 3), Me ( 4), Bu ( 5), L is pyruvic acid thiophene-2-carboxylic hydrazone, and R 2SnL, R is Me ( 6), Bu ( 7), Ph ( 8), L is salicylaldehyde thiophene-2-carboxylic hydrazone have been synthesized in 1:1 molar ratio. All compounds were characterized by elemental analysis, IR, 1H NMR, 13C NMR and 119Sn NMR spectra. The crystal structure of compounds 1, 3, 4, 8 have been determined by X-ray single crystal diffraction analyses, study found that the compounds 1 and 3 are rendered one-dimensional chain structure and the tin atoms are five-coordinated in a distorted trigonal-bipyramidal geometry. The compound 4 has a dimeric structure and the central tin atom is rendered seven-coordinate in a distorted pentagonal-bipyramid configuration. While the compound 8 is a monomer in which the tin atom adopts five-coordinated in distorted trigonal-bipyramidal geometry.
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