Abstract
AbstractBy potentiometry and spectrophotometry Cu2+ and N‐(2‐dimethylaminoethyl)‐oxamide are shown to form different mononuclear complexes and a binuclear species containing a hydroxo bridge. Visible absorption spectra of each species were obtained by an interactive process and used to assign definite structures to them. Stability constants and concentrations of each complex were calculated from the potentiometric data. The ligand behaves as a tridentate chelating agent, and hydrolysis of one coordinated water molecule predominates over deprotonation of the second amid group.
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