catena-Poly[[[2-(2-pyrid-yl)-1H-benz-imidazole]cadmium(II)]-μ-benzene-1,4-dicarboxyl-ato]

Hai-Yan Liu1, Da-Wei Zhao, Hong-Mei Sun

  • 1Department of Chemistry and Pharmaceutical Engineering, Suihua University, Suihua 152061, People's Republic of China.

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Different monodentate and polydentate ligands are used as complexing agents in complexometric titration reactions. The formation of complexes by mono- and bidentate ligands involves two or more intermediate steps, limiting their use as complexing agents. In comparison, polydentate ligands can form complexes with metal ions in a single-step process, facilitating sharper end points. This means polydentate ligands, such as amino carboxylic acid derivatives, are most commonly employed in...
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Valence Bond Theory

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