Abstract
In the centrosymmetric dinuclear title complex, [Cu2(C12H6O4)2(C3H7NO)4(H2O)2], the coordination environment of each Cu(II) atom displays a distorted CuO5 square-pyramidal geometry, which is formed by two carboxylate O atoms of two μ-1,8-nap ligands (1,8-nap is naphthalene-1,8-dicarboxylate), two O atoms of two DMF (DMF is N,N′-dimethylformamide) and one coordinated water molecule. The Cu—O distances involving the four O atoms in the square plane are in the range 1.9501 (11)–1.9677 (11) Å, with the Cu atom lying nearly in the plane [deviation = 0.0726 (2) Å]. The axial O atom occupies the peak position with a Cu—O distance of 2.885 (12) Å, which is significantly longer than the rest of the Cu—O distances. Each 1,8-nap ligand acts as bridge, linking two CuII atoms into a dinuclear structure. Intermolecular O—H⋯O and C—H⋯O hydrogen-bonding interactions consolidate the structure.
Highlights
Zhejiang Key Laboratory for Reactive Chemistry on Solid Surfaces, Institute of Physical Chemistry, Zhejiang Normal University, Jinhua, Zhejiang 321004, People’s
The Cu—O distances involving the four O atoms in the square plane are in the range 1.9501 (11)–1.9677 (11) Å, with the Cu atom lying nearly in the plane [deviation = 0.0726 (2) Å]
Distance of 2.885 (12) Å, which is significantly longer than the rest of the Cu—O distances
Summary
R factor = 0.027; wR factor = 0.076; data-to-parameter ratio = 17.9. [Cu2(C12H6O4)2(C3H7NO)4(H2O)2], the coordination environment of each Cu(II) atom displays a distorted CuO5 squarepyramidal geometry, which is formed by two carboxylate O atoms of two -1,8-nap ligands (1,8-nap is naphthalene-1,8dicarboxylate), two O atoms of two DMF (DMF is N,N0 dimethylformamide) and one coordinated water molecule. The Cu—O distances involving the four O atoms in the square plane are in the range 1.9501 (11)–1.9677 (11) Å, with the Cu atom lying nearly in the plane [deviation = 0.0726 (2) Å]. The axial O atom occupies the peak position with a Cu—O distance of 2.885 (12) Å, which is significantly longer than the rest of the Cu—O distances. Each 1,8-nap ligand acts as bridge, linking two CuII atoms into a dinuclear structure. Intermolecular O—H O and C—H O hydrogen-bonding interactions consolidate the structure
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