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Hydroxamic acid ligand usually coordinates to metal ions to form stable five membered or six membered chelate ring though its N,O atoms.[1] We chose 1H-1,2,4-triazol-3-hydroxamic acid(H3L)as the ligand,and successfully obtained a colorless dinuclear zinc complex [Zn(H2L)(DMF)3(NO3)]2·H2O.