SPECTRAL AND THERMAL STUDIES ON SOME SACCHARINATO COMPLEXES | ||
| Zagazig Journal of Pharmaceutical Sciences | ||
| Article 1, Volume 12, Issue 2, December 2003, Pages 1-5 PDF (2.64 M) | ||
| Document Type: Original Article | ||
| DOI: 10.21608/zjps.2003.169696 | ||
| Author | ||
| Said Teleb* | ||
| Department of Chemistry, Faculty of Science, Zagazıg University, Zagazig, Egypt | ||
| Abstract | ||
| The saccharinato complexes of Au(III). ZrO(II), VO (I) and UO2(II) metal ions have been prepared and the mode of coordination of saccharin in these complexes has been investigated through their 1HNMR and IR spectra as well as by thermal analysis. It was found that saccharin interacts with all of these metal ions in the anionic form and coordinates in a monodentate fashion through its nitrogen to Au(III), ZrO(II) and Vo(II) ions, while it coordinates to UO2(II) ion as a bidentate ligand using its carbonyl and sulphony1 groups. A square structure has been proposed for Au(III) complexes, polymeric chain structure for ZrO(II) and VO(II) complexes and an octahedral structure for UO2-sccharin complex. The thermal properties of these complexes were shown to be consistent with the proposed structures and indicated that metallic gold, ZrO2, V2O5 and UO2SO4 are obtained as final thermal decomposition products of these complexes, respectively. | ||
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