Structural studies on 3-acetyl-1,5-diaryl and 3-cyano-1,5-diaryl formazan chelates with cerium(III), thorium(IV) and uranium(VI)
作者:O. E. Sherif、Y. M. Issa、M. E. M. Hassouna、S. M. Abass
DOI:10.1007/bf00817298
日期:——
Solid complexes of 3-acetyl- 1,5-diaryl and 3-cyano- 1,5-diaryl formazans were prepared and characterized by elemental analysis, IR, NMR, TGA and DTA analyses. Based on these studies, the suggested general formula for the complexes is [M(HL)m(OH-)n or (NO3- or Cl-)x.(H2O)y or (C2H5OH or DMSO)z, where HL = formazan M = Ce3+, Th4+, and UO22+, m = 1-2, n = 0-3, x = 0-3, y = 0-4 and z = 0-3. The metal ions are expected to have coordination numbers 6-8.