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Under solvothermal conditions with the mixed solvents of C2H5OH and H2O,a new heterometallic lanthanide-titanium-organic compound,[TbTi(μ3-O)(L3)(H2O)4]·H3O(1,H2L = diphenylglycolic acid),has been synthesized.Compound 1 exhibits a 3D supramolecular framework by incorporating the tetra-nuclear[Tb2Ti2(u3-O)2]unit and L2-ligand.Compound 1 shows intense green luminescence.Furthermore,the PXRD,TGA and IR spectra were also studied.