Polymeric Schiff Base Zinc(II) Complex Based on N,N-bipyridinium: Synthesis, characterization and thermal study
Publish place: 20th Iranian Inorganic Chemistry Conference
Publish Year: 1397
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
IICC20_142
تاریخ نمایه سازی: 2 تیر 1398
Abstract:
Polymeric Schiff bases are an important class of coordination polymers with multidentate donor sites, known to form polychelates with transition metal ions. The essential properties of polymeric Schiff base are due to the azomethine linkage in polymeric backbone [1-2]. In this study, it is described the synthesis and characterization of a new polymeric Schiff base ligand derived from diethylene triamine and bipyridinium bis(methyl salicylaldehyde) and its zinc(II) polymeric Schiff baes complex. Ligand and ionic zinc-Schiff base complex were characterized by different methods: FT- IR, 1H-NMR and CHN. The thermal properties of polymer were evaluated by differential thermal analysis (DTA) and thermogravimetric (TG) analyses. The results of C, H and N analysis agree with the expected values. In the FT-IR spectrum of the polymer metal complex the stretching vibration band of OH group appears as a weak band. Also the azomethine band shifted to 1608 cm-1. These observations indicating the coordination of the ligand to metal ion. The analyses of the thermal curves of the polymer metal complex show higher thermal stability than the polymeric Schiff base ligand.
Authors
Zohreh S. Ghavami,
School of Chemistry, Damghan University, Damghan ۳۶۷۱۵-۳۶۴, Iran
Gholamhossein Grivani
School of Chemistry, Damghan University, Damghan ۳۶۷۱۵-۳۶۴, Iran