双环辛四烯合钍是由钍和两个环辛四烯阴离子(COT2-)组成的金属有机化合物,化学式为Th(C8H8)2,可简写为Th(COT)2。它可由四氯化钍和环辛四烯二钾在四氢呋喃中反应制得:[2]
- ThCl4 + C8H8K2 → (C8H8)2Th + 4 KCl
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单晶衍射表明,它属单斜晶系,空间群P21/n,其分子具有D8h对称性。[1]
双环辛四烯合钍和四氯化钍在四氢呋喃(THF)中反应,从溶液中可以结晶出白色的Th(COT)Cl2(THF)2。[3]它和四乙基氰化铵在吡啶中回流反应,从溶液中可以结晶出金黄色的[(COT)2Th(CN)][N(C2H5)4]。[4]
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