Tetrazole-based nitrogen-rich compounds are energetic materials due to their high enthalpy of formation,high density and easy to achieve balance of oxygen[1-4].5-nitraminotetrazolate (5-NATZ) has been proved to possess excellent energetic properties among the simple tetrazote compounds[5-6]and its metal complexes were thought to be promising energetic materials[7-8].In this paper,a novel nitrogen-rich energetic compound of Zn(5-NATZ)2(H2O)4 was synthesized and determined by X-ray single crystal diffraction technology.