高氯酸釤是一種無機化合物,化學式為Sm(ClO4)3。它可由高氯酸和氧化釤反應得到,[3]從溶液中析出的水合物可用六氧化二氯對其脫水,得到無水物。[1]無水高氯酸釤是六方晶系的晶體,空間群P63/m,晶胞參數a=9.259 Å,c=5.746 Å,Z=2。[4]它和硫氰酸銨、1-丁基-3-甲基咪唑鎓硫氰酸鹽([BMIM]SCN)在無水乙醇中反應,可以得到離子液體[BMIM]4[Sm(NCS)7(H2O)]。[5]
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