Abstract
A novel Schiff base N'-((4-bromothiophen-2-yl) methylene) naphthalene-2-sulfonohydrazide ligand was prepared by condensation of equivalents amount of naphthalene -2-sulfonylhydrazide with 4-bromo-2-thiophenecarboxaldehyde. The newly synthesized ligand was isolated in excellent yield. CHN-EA, UV-Vis., GC/MS, FT-IR, 1 H and 13 C NMR were used to determine the structure of the desired ligand. Density functional theory DFT B3LYP/6-311G(d,p) was performed to optimize the E and Z- structural isomerization process. Several quantum calculation parameters like optimized bond length, angle ant torsional angels in addition to HOMO/LUMO, GRD, and MEP map, for both E and Z isomers have been calculated and compared under the same level of theory.
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