令配位数8(四方反棱柱D,12面体D2) 例:Na3Mo(CN)g8H2O中Mo(CN3为Dm IN(nCH,l3M0OCN2中MCN23为D2n 17 Square-antiprismatic complex 18 Dodecahedral complex 2021/220 162021/2/20 16 ❖ 配位数8 (四方反棱柱D4d, 12面体 D2d ) 例: Na3Mo(CN)8 ·8H2O中 Mo(CN)8 3– 为D4d [N(n-C4H9 ]3 Mo(CN)8中 Mo(CN)8 3–为D2d