The title complex, [Cu2(C7H6NO2)2(C12H8N2)2(H2O)2]·2C7H7NO2·2H2O, consists of a dinuclear [Cu2(C7H6NO2)2(C12H8N2)2(H2O)2]2+ cation, two Cl− anions, two 4-aminobenzoic acid molecules and two disordered water molecules (site occupancy factors 0.5). The Cu(II) ion adopts a distorted square-pyramidal geometry formed by two N atoms from the 1,10-phenanthroline ligand and two O atoms of the two 4-aminobenzoic acid ligands and one water O atom. The Cu(...)Cu separation is 3.109 (2) Å. A twofold axis passes through the mid-point of the Cu(...)Cu vector.
Experimental
An aqueous solution (5 ml) of CuCl2.3H2O (1 mmol) was added slowly to a mixed solution of 4-aminobenzoic acid (1.5 mmol) in H2O (5 ml) and 1,10-phenanthroline (1 mmol) in ethanol (95%, 5 ml). After refluxing for 3 h, the mixture was filtered off while hot. The dark-green single crystals suitable for X-ray analysis were obtained by slow evaporation of the above filtrate at room temperature after a week
the mixture was filtered off while hot
The title complex, [Cu2(C7H6NO2)2(C12H8N2)2(H2O)2]·2C7H7NO2·2H2O, consists of a dinuclear [Cu2(C7H6NO2)2(C12H8N2)2(H2O)2]2+ cation, two Cl− anions, two 4-aminobenzoic acid molecules and two disordered water molecules (site occupancy factors 0.5). The Cu(II) ion adopts a distorted square-pyramidal geometry formed by two N atoms from the 1,10-phenanthroline ligand and two O atoms of the two 4-aminobenzoic acid ligands and one water O atom. The Cu(...)Cu separation is 3.109 (2) Å. A twofold axis passes through the mid-point of the Cu(...)Cu vector.
Experimental
An aqueous solution (5 ml) of CuCl2.3H2O (1 mmol) was added slowly to a mixed solution of 4-aminobenzoic acid (1.5 mmol) in H2O (5 ml) and 1,10-phenanthroline (1 mmol) in ethanol (95%, 5 ml). After refluxing for 3 h, the mixture was filtered off while hot. The dark-green single crystals suitable for X-ray analysis were obtained by slow evaporation of the above filtrate at room temperature after a week
the mixture was filtered off while hot
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