Copper complex is synthesized from Schiff base ligand which is a new
cefotaxime derivative. The composite is characterized by molar conductance,
elemental analysis (CHNM%), FTIR, magnetic moment, UV–Vis spectrum and
thermal analysis. The complex stoichiometric ratio is found to be 1 metal : 1 ligand
ratio. The FTIR frequencies display that the Schiff base works as bidentate and
coordinated to copper ion through oxygen atoms of carboxylate and carbonyl beta
lactam group. While, the electronic transition, magnetic moment value and ESR
spectrum indicate that the Cu-composite geometry is an octahedral. Furthermore,
thermal analysis confirms the existence of methanol and water molecules in the
compound. Meanwhile, the Cu-composite is scanned against Gram (+) bacteria (B.
subtilis and S. aureus) and Gram (-) bacteria (E. coli and P. aeruginosa). The obtained
data shows that the compound has good antimicrobial activity.