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Abstract
The reaction of lead acetate, benzoic acid and 2,2′-bipyridine (bipy) in aqueous solution yielded the title complex, [Pb(C7H5O2)2(C10H8N2)]·C7H6O2. The asymmetric unit contains two independent complex molecules as well as two independent benzoic acid solvent molecules, one of which is disordered over two positions with almost equal occupancies [0.504 (5) and 0.496 (5)]. The two complex molecules have similar configurations with the hexacoordinated environment of the PbII atom formed by four carboxylate O atoms of two chelate benzoate ligands and two N atoms of the bipy ligand. The Pb—O bonds involving one of the benzoate ligands are almost coplanar with Pb—N bonds to the bipy ligand [dihedral angles of 12.67 (11) and 14.73 (11)°] ; if the second benzoate ligand is treated as one coordination site, the overall coordination may be represented as a distorted pseudo-square pyramid. Weak intermolecular Pb⋯O interactions [3.046 (3) and 3.359 (3) Å] link each of the complex molecules into two symmetry-independent centrosymmetric dimers. Hydrogen bonds involving the carboxyl H atoms of solvent benzoic acid molecules and metal-coordinated carboxylate O atoms link complex molecules and benzoic acid solvent molecules into insular aggregates.
Highlights
The reaction of lead acetate, benzoic acid and 2,20 -bipyridine in aqueous solution yielded the title complex
The asymmetric unit contains two independent complex molecules as well as two independent benzoic acid solvent molecules, one of which is disordered over two positions with almost equal occupancies
The two complex molecules have similar configurations with the hexacoordinated environment of the PbII atom formed by four carboxylate O atoms of two chelate benzoate ligands and two N atoms of the bipy ligand
Summary
The reaction of lead acetate, benzoic acid and 2,20 -bipyridine (bipy) in aqueous solution yielded the title complex,. The asymmetric unit contains two independent complex molecules as well as two independent benzoic acid solvent molecules, one of which is disordered over two positions with almost equal occupancies [0.504 (5) and 0.496 (5)]. The two complex molecules have similar configurations with the hexacoordinated environment of the PbII atom formed by four carboxylate O atoms of two chelate benzoate ligands and two N atoms of the bipy ligand. 3.359 (3) Å] link each of the complex molecules into two symmetry-independent centrosymmetric dimers. Hydrogen bonds involving the carboxyl H atoms of solvent benzoic acid molecules and metal-coordinated carboxylate O atoms link complex molecules and benzoic acid solvent molecules into insular aggregates
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