Synthesis and crystal structure of the copper (II) carboxylate with 2,2-bipyridine, [Cu(4-mba)2(bipy)(H2O)]

The new Cu(II) carboxylate complex, aqua(2,2'-bipyridine-κ2N,N')bis(4-methylbenzoato-κO)copper(II) [Cu(4-mba)2(bipy)(H2O)] (4-mba: 4-methylbenzoate, bipy: 2,2'-bipyridine) was synthesized, and the molecular structure of complex characterized by single crystal X-ray diffraction technique. analysis indicated that asymmetric unit comprises an independent molecule. Crystal data for [Cu(4-meb)2(2,2-bipy)(H2O)]: Triclinic, space group P-1 (no. 2), a = 7.0452(13) Å, b 11.260(2) c 16.635(3) α 103.543(7)°, β 91.002(7)°, γ 104.106(6)°, V 1240.4(4) Å3, Z 2, T 296 K, μ(MoKα) 0.918 mm-1, Dcalc 1.360 g/cm3, 51364 reflections measured (5.054° ≤ 2Θ 57.38°), 6258 unique (Rint 0.0398, Rsigma 0.0284) which were used in all calculations. final R1 0.0392 (I > 2σ(I)) wR2 0.1021 (all data). ion found to be coordinated with two nitrogen atoms 2,2'-bipyridine ligand, oxygen 4-methyl benzoate molecule, one atom aqua ligand. In three-dimensional supramolecular architecture, molecules are connected through pairs O-H···O C-H···O intermolecular interactions, consisting chains. molecule also demonstrates Cg···Cg interactions between six-membered rings 2,2'-bipyridine.