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https://hdl.handle.net/2440/4579
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Type: | Journal article |
Title: | Synthesis and characterization of triorganotin(IV) complexes of 5-[(E)-2-(aryl)-1-diazenyl]-2-hydroxybenzoic acids.: Crystal and molecular structures of a series of triphenyltin 5-[(E)-2-(aryl)-1-diazenyl]-2-hydroxybenzoates (aryl=phenyl, 2-methylphenyl, 3-methylphenyl and 4-methoxyphenyl) |
Author: | Basu Baul, T. Dhar, S. Pyke, S. Tiekink, E. Rivarola, E. Butcher, R. Smith, F. |
Citation: | Journal of Organometallic Chemistry, 2001; 633(01-Feb):7-17 |
Publisher: | Elsevier Science Sa |
Issue Date: | 2001 |
ISSN: | 0022-328X |
Statement of Responsibility: | Tushar S. Basu Baul, Sushmita Dhar, Simon M. Pyke, Edward R. T. Tiekink, Eleonora Rivarola, Ray Butcher and Frank E. Smith |
Abstract: | The triphenyltin and tri-n-butyltin complexes of some 5-[(E)-2-(aryl)-1-diazenyl]-2-hydroxybenzoic acids have been synthesized and characterized by 1H-, 13C-, 119Sn-NMR, IR and 119mSn Mössbauer spectroscopic techniques in combination with elemental analysis. The crystal structures of triphenyltin 5-[(E)-2-(aryl)-1-diazenyl]-2-hydroxybenzoates (aryl=phenyl, 2-methylphenyl, 3-methylphenyl and 4-methoxyphenyl) are reported. Both X-ray and 119Sn Mössbauer data indicate that the triphenyltin complexes adopt a monomeric distorted tetrahedral configuration with the carboxylate ligand coordinating in a monodentate mode. By contrast, 119Sn Mössbauer spectroscopy shows that each tributyltin complex is polymeric and features a trans-trigonal bipyramidal geometry with a planar SnBu3 unit and two apical carboxylate oxygen atoms derived from bidentate bridging carboxylate ligands. This is a solid-state effect, as both 119Sn-NMR and 1J(13C–119/117Sn) coupling constant data indicate tetrahedral geometries in solution for the triphenyl and tri-n-butyl complexes. |
Description: | Copyright © 2001 Elsevier Science B.V. All rights reserved. |
DOI: | 10.1016/S0022-328X(01)01024-5 |
Description (link): | http://www.elsevier.com/wps/find/journaldescription.cws_home/504090/description#description |
Published version: | http://dx.doi.org/10.1016/s0022-328x(01)01024-5 |
Appears in Collections: | Aurora harvest 6 Chemistry publications |
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