Abstracto

Structural study of copper (II) with N,N,N’,N’’,N’’- pentamethyl-diethylenetriamine and dicarboxylic acids

Sergio Martinez-Vargas1, Arturo I.Martinez


This paper presents the synthesis of coordination compounds of Cu (II) using N,N,NÂ’,NÂ’Â’,NÂ’Â’-Pentamethyldiethylenetriamine (pmdt) as tridentate chelate ligand and mono-aromatic carboxylic acids as ligand connectors. The crystals of these compounds exhibit a regular pyramid with a square base geometry in the first coordination sphere of copper (II). When 4-aminobenzoic acid is used, intermolecular interactions via hydrogen bonds generate a double strand 1-D polymer. Otherwise, when 2-naphthoic acid and 2, 3-dimethylbenzoic acid was used no supramolecular structure was observed. It was attributed to different factors such as the coordination of aquo ligands in apical position, and intramolecular interaction.


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