Abstract
The research includes the preparation of ligand E-H, and it was identified by spectroscopic methods Infra Red IR, Nuclear magnatic Reasonance NMR, Mass spectra· It was also prepared from the ligand a complexes with copper (11) and characterized by Infra Red spectra. Central metals ions and Schif base coordinated via O and N donor sites which was observed from IR spectra. The liquid crystal characteristics of the ligand was studied using polarized optical microscope POM and the ligand is a liquid crystal by showed nematic phase only, while no liquid crystal phase was detected in the prepared complex, and it disintegrated at 250°C.
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