Tetracyanoacetates of thorium and uranium, M(NCCH2COO)4 (where M = Th or U) and dioxouranium (VI) dicyanoacetate [UO2(NCCH2COO)2H2O] and their coordination complexes with dimethyl sulphoxide (DMSO), dimethyl formamide (DMF), 1,10 phenanthroline (Phen) and 2,2′-bipyridyl (Bipy) have been synthesised and characterised by elemental analysis, molecular weight determination, molar conductance measurements, X-ray diffraction and infrared spectroscopic studies (4000–200cm−1). Structural aspects of the compounds and the sites of bonding of the ligands to the central metal atom have been discussed in the light of shifts in thev(C ≡ N),v(COO),v(UO2) and the metal-ligand stretching vibrations. Thermogravimetric analysis of the compounds have been carried out to study thermal decomposition modes.
Volume 132, 2020
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