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|Title:||Synthesis and characterization of dioxouranium(VI) complexes of polydentate ligands|
|Authors:||Swamy, S J|
|Abstract:||The polydentate ligands , N,N ' - ethylene - bis-(2- aminobenzamide) [ EBAB], N,N’ -propylene-bis-(2-aminobenzamide) [PBAB ], N,N' -(o-phenylene)-bis-(2-aminobenzamide) [PhBAB], N,N' -ethylene- bis -(3 -carboxypropenamide) [EBCP], N,N' -propylene-bis-(3-carboxypropenamide) [PBCP] and 1 -(2'-hydroxyphenyl)- 3-phenyl 1,3-propane-dione [HPPPD] react with uranyl acetate to form crystalline complexes with different coordination environments. The geometries of the complexes have been confirmed with the help of the spectroscopic methods, conductance measurements and thermal studies. The neutral tetradentate ligands (EBAB, PBAB and PhBAB ) form eight coordinate hexagonal bipyramidal complexes, while anionic tetradentate ligands (EBCP and PBCP) and tridentate ligand (HPPPD) form seven coordinate pentagonal bipyramidal complexes.|
|Appears in Collections:||IJC-A Vol.38A(09) [September 1999]|
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