A mesostructured titanium oxophosphate (designated as TOP) possessing a periodic three dimensional (3D) cubic Pm (3) over barn symmetry has been synthesized for the first time, via using divalent cationic surfactants in a post-synthesis strategy. And it was further found that 3D cubic Pm (3) over barn mesostructured TOP was more thermally stable than 2D hexagonal P6mm mesostructured counterpart.