Mohammed S. Mohammed - Ministry of Education, Thi-Qar general directorate of education, Iraq
Ibrahim A. Flifel - Ministry of Education, Misan general directorate of education, Iraq

Heterocyclic compounds are of great importance in the production of medicinal compounds. In this study, a new compound (E)–(۵-(((۵-mercapto ۱,۳,۴-thiadiazole-۲-yl)imino)methyl)furan-۲-yl-methanol) and its complexes with some transition metal ions Cr(III) and Ni(ll) were synthesized. The structure of the ligand and its complexes were characterized using the molar conductivity, FT-IR, ۱H-NMR, and mass spectral techniques. The HyperChem ۷.۵۱ program was utilized for theoretical study. The measurements data of Molar conductance reveal that the complexes are non-electrolytes. The ligand acts as a Bidentate in Ni complex coordinating through the oxygen atom of the furan ring and methoxy group and act as tridentate in Cr complex. This data is further supported by the manifestation of a band corresponding to the metal-oxygen and metal-nitrogen stretching vibration at ۴۵۴–۶۸۸ cm-۱ and ۳۱۴-۴۶۶ cm-۱ in the complexes, respectively. From the spectra data and theoretical study, we suggest a square planer for Ni+۲ complex and octahedral geometry of the Cr+۳ complexes.

medicinal compounds, Heterocyclic compounds, thiadiazole ring, Ligand, resonance spectra