Synthesis,Structure Characterization,Antibacterial Activity and Fluorescence Studies of a Ni(Ⅱ) Compound with Schiff-base Ligand

We synthesized one novel Schiff-base ligand by modifying the aromatic aldehyde: H_2L~1(H_2L~1 = N,N?-bis(2-oxy-acetate-3-methoxyl)benzylpropylene(1,3-propane)diamine). Ni(C_(23)H_(24)N_2O_8)]·6H_2O](1) was prepared by the reaction between H_2L~1 and NiCl_2·6H_2O in C_2H_5 OH. Compound 1 was structurally characterized by elemental analysis, IR, H NMR and single-crystal X-ray diffraction. 1 crystallizes in monoclinic system, space group P21/n with a = 1.3952(4), b = 1.3746(9), c = 1.6121(0) nm, β = 112.66(3)°, V = 2.8533(4) nm~3, Z = 4, M_r = 623.25 and D_c = 1.451 g·cm~(-3). The Ni(Ⅱ) atom is hexa-coordinated to furnish a slightly distorted octahedral geometry. Lattice water molecules are found in 1, and the H-bonding intersections formed novel water clusters. The IR, antibacterial activity and luminescence of 1 are studied.