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Strandberg型杂多阴离子［Se₂Mo₅O₂₁］^4－的合成

Synthesis and Crystal Structure of Polyanion [Se₂Mo₅O₂₁]￣（4-）with Strandberg-type Structure

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【Author】 HUANG Gui-Qing; ZHANG Shi-Wei; SHAO Mei-Cheng(Department of Chemisty , Peking University, Beijing. 100871)

【摘要】利用还原－氧化重构法（简称ＲＯＲ法）合成了具有Ｓｔｒａｎｄｂｅｒｇ型含硒的杂多化合物Ｋ_３Ｎａ·［Ｓｅ_２Ｍｏ_５Ｏ_２１］·２Ｈ_２Ｏ的单晶，结构测定表明，此化合物属单斜晶系，阴离子包含通过共边和共顶点相连的五聚ＭｏＯ_６八面体，组成八面体的５个金属原子近似形成五角平面骨架，２个ＳｅＯ_３三角锥加在五角平面的上下方。更多还原

【Abstract】 By red-ox reconstructing (ROR) method, we synthesized and analyzed the het eropoly compound K3Na[Se2Mo5O21]·2H2O with Strandberg-type structure.The crystals are the polyanion, five MoO6 octahedra are connected by edge sharing, and the two octahedra at the two ends are connected by conner sharing to complete the Mo5 ring, the two SeNO3 trigonal pyramids are attached to the ring from above and below the ring.更多还原