硼氢化亚铜,又称硼氢化铜(I),是一种无机化合物,分子式为CuBH4。
制备
1964年,Klingen用氯化铜和硼氢化锂为原料,在-45℃的乙醚中反应,产生白色不挥发的化合物CuBH4[1]:
- 2 CuCl2 + LiBH4 → 2 CuBH4 + 2 LiCl + B2H6 + H2[2]
化学性质
- 2 CuBH4 → 2 Cu + B2H6 + H2
配合物
双(三苯基膦)硼氢化亚铜的化学式为2(C18H15P)·CuBH4,相对分子质量602.97,是无色针状的晶体,为单斜晶体,空间群C2/c,晶胞参数为a=24.64Å,b=9.058Å,c=15.43Å,β=116.2°,Z=4。[1]
硼氢化亚铜还能形成其他配合物,如(R3Y)2Cu(BH4)(R=烷烃或芳烃,Y=P、As、Sb)、Cu(η2-BH4)(DPPM)、Cu(η2-BH4)(DPPE)、Cu(η2-BH4)(cis-DPPET)和Cu(η2-BH4)(DPPB)等。
参考资料
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