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亚铁氰化钾水溶液和[CoL_3]~(2+)(L=en和pn,分别表示乙二胺和1,2-丙二胺)溶液反应得到了比较稳定的棕红色晶体。经元素分析、紫外可见光谱及红外光谱测试,证明它们是氰桥配合物[Co(L)_3-NC-Fe(CN)_4-CN-Co(L)_3]。
Potassium ferrocyanide aqueous solution and [CoL_3] ~ (2 +) (L = en and pn, respectively ethylenediamine and 1,2-propanediamine) solution was relatively stable brown-red crystals obtained. The results of elemental analysis, UV-visible spectrum and IR spectroscopy show that they are complexes of cyanide bridge [Co (L) _3-NC-Fe (CN) _4-CN-Co (L) _3].