以Bi(NO3)3.5H2O和吡嗪-2,3-二羧酸(2,3-H2pzdc)为原料,在100℃的水溶液中回流反应合成了铋(Ⅲ)配合物Bi(2,3-Hpzdc)2(μ-OH),采用元素分析、紫外光谱、红外光谱、X射线粉末衍射和热重分析等方法对配合物的组成和结构进行了表征.X射线粉末衍射数据指标化计算证实该配合物晶体结构属于单斜晶系,晶胞参数为a=1.714 3 nm,b=1.383 0 nm,c=1.832 1 nm,β=95.63°.与DNA相互作用实验结果表明该配合物存在生物活性. The bismuth (Ⅲ) complex Bi (2,3-H 2 PZdc) was synthesized by the reaction of Bi (NO3) 3.5H2O with pyrazine- Hpzdc) 2 (μ-OH) were synthesized and characterized by elemental analysis, UV, IR, X-ray powder diffraction and thermogravimetric analysis.The composition and structure of the complex were characterized by X-ray powder diffraction The crystal structure of the complex belongs to the monoclinic system with lattice parameters of a = 1.714 3 nm, b = 1.383 0 nm, c = 1.832 1 nm, β = 95.63 °. The interaction with DNA showed that the complex has biological activity .