Abstract
The title molecule, [Zn2(C8H8NO2)4(C10H14N2O)2]·2H2O, is a centrosymmetric binuclear complex, with two ZnII ions [Zn⋯Zn’ = 2.9301 (4) Å] bridged by four methylaminobenzoate (MAB) ligands. The four nearest O atoms around each ZnII ion form a distorted square-planar arrangement with the distorted square-pyramidal coordination completed by the pyridine N atom of the N,N-diethylnicotinamide (DENA) ligand. Each ZnII ion is displaced by 0.3519 (2) Å from the plane of the four O atoms, with an average Zn—O distance of 2.030 Å. The dihedral angles between carboxylate groups and adjacent benzene rings are 10.57 (10) and 16.63 (12)°, while the benzene rings are oriented at a dihedral angle of 81.84 (5)°. The pyridine ring is oriented at dihedral angles of 40.49 (6) and 51.25 (6)° with respect to the benzene rings. In the crystal structure, intermolecular O—H⋯O and N—H⋯O hydrogen bonds link the molecules into a three-dimensional network. The π–π contact between the inversion-related pyridine rings [centroid–centroid distance = 3.633 (1) Å] may further stabilize the crystal structure.
Highlights
The title molecule, [Zn2(C8H8NO2)4(C10H14N2O)2]2H2O, is a centrosymmetric binuclear complex, with two ZnII ions [Zn Zn’ = 2.9301 (4) Å] bridged by four methylaminobenzoate (MAB) ligands
The four nearest O atoms around each ZnII ion form a distorted square-planar arrangement with the distorted square-pyramidal coordination completed by the pyridine N atom of the N,N-diethylnicotinamide (DENA) ligand
The dihedral angles between carboxylate groups and adjacent benzene rings are 10.57 (10) and
Summary
Aybirdid and Hacali Necefoğlud a Department of Physics, Hacettepe University, 06800 Beytepe, Ankara, Turkey, Department of Physics, Faculty of Science, Anadolu University, Department of Chemistry, 26470 Yenibağlar, Eskişehir, Turkey, cDepartment of Physics, Karabük
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