Abstract
In the title complex, [Cu(C2HCl2O2)2(C12H8N2)(H2O)], the CuII ion has a distorted square-pyramidal coordination geometry. The equatorial positions are occupied by two N atoms from a 1,10-phenanthroline ligand [Cu—N = 1.994 (3) and 2.027 (3) Å] and two O atoms from dichloroacetate ligands and a water molecule [Cu—O = 1.971 (2) and 1.939 (2) Å]. One O atom from another dichloroacetate ligand occupies the apical positon [Cu—O = 2.152 (3) Å]. Intermolecular O—H⋯O hydrogen bonds link the molecules into centrosymmetric dimers. The crystal packing also exhibits weak intermolecular C—H⋯O hydrogen bonds, π–π interactions [centroid–centroid distance = 3.734 (2) Å] and short intermolecular Cl⋯Cl contacts [3.306 (2) and 3.278 (2) Å].
Highlights
CuII ion has a distorted square-pyramidal coordination geometry
H atoms treated by a mixture of independent and constrained refinement max = 0.63 e Å3
H atoms treated by a mixture of independent and constrained refinement w = 1/[σ2(Fo2) + (0.046P)2]
Summary
Zhangc a School of Science, North University of China, Taiyuan 030051, People’s Republic of. BCollege of Chemistry and Food, Zhongzhou University, Zhengzhou 450044, People’s Republic of China, and cDepartment of Materials Science and Chemical. The equatorial positions are occupied by two N atoms from a 1,10-phenanthroline ligand [Cu—N = 1.994 (3). 2.027 (3) Å] and two O atoms from dichloroacetate ligands and a water molecule [Cu—O = 1.971 (2) and. One O atom from another dichloroacetate ligand occupies the apical positon [Cu—O = 2.152 (3) Å]. Intermolecular O—H O hydrogen bonds link the molecules into centrosymmetric dimers. The crystal packing exhibits weak intermolecular C—H O hydrogen bonds, – interactions [centroid–centroid distance = 3.734 (2) Å] and short intermolecular Cl Cl contacts [3.306 (2) and 3.278 (2) Å]
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