UO2(2,2'-biimidazole)2I2 | 155963-74-9

• 分子结构分类: 有机化合物 - 有机杂环化合物 - 吡咯
• 英文名称: UO2(2,2'-biimidazole)2I2
• CAS: 155963-74-9
• 化学式: C₁₂H₁₂I₂N₈O₂U
• 分子量: 792.118
• InChiKey: FCWAGRKRMACTJF-UHFFFAOYSA-L

计算性质

• 辛醇/水分配系数(LogP)：
  None
• 重原子数：
  None
• 可旋转键数：
  None
• 环数：
  None
• sp3杂化的碳原子比例：
  None
• 拓扑面积：
  None
• 氢给体数：
  None
• 氢受体数：
  None

反应信息

• 作为产物：
  描述：

  联咪唑 、 uranyl iodide hexahydrate 以 甲醇 为溶剂， 生成 UO2(2,2'-biimidazole)2I2
  参考文献：
  名称：

  Mononuclear dioxouranium(VI) and thorium(IV) complexes with potential tetradentate bridging chelators

  摘要：

  The bi-heterocycle, 2,2'-biimidazole (H-2Biim) forms mononuclear complexes of the type UO2(H2Biim)X2 (X = Cl, NCS); UO2(H2BiiM)2X2 (X = I, NO3, CH3COO, 0.5SO4) and Th(H2Biim)2X4 (X = 1, CNS, NO3). Further, the mixed-ligand complexes UO2(H2acacen) (H2Biim)X2 (X = Cl, NCS) and the hetero-bimetallic complex UO2(H2Biim) HgCl4 were also obtained and characterized on the basis of IR, electronic and H-1 NMR spectral evidence and thermogravimetric studies. The H-1 NMR spectrum of the free ligand shows that the ring protons are equivalent and give rise to a sharp singlet at delta 6.92 ppm and at 13.13 ppm for the imine proton (-NH). In the complexes, the two singlets at ca 7.8 and 8.5 ppm clearly confirm the inequivalence of the ring protons due to coordination of the biimidazole. The coordination also results in an upfield shift of the imine proton (-NH) signal from 13.13 to 3.5 ppm in the complexes. Although uranyl salts are known to fluoresce, in these complexes the fluorescence seems to be quenched, ruling out the involvement of H2Biim in the emission decay process.

  DOI：

  10.1016/s0277-5387(00)84732-4