UI3(pyridine)4 | 120410-80-2

• 分子结构分类: 有机化合物 - 有机杂环化合物 - 吡啶及其衍生物
• 英文名称: UI3(pyridine)4
• 英文别名: [UI3(pyridine)4]；[UI3(py)4]；pyridine;triiodouranium
• CAS: 120410-80-2
• 化学式: C₂₀H₂₀I₃N₄U
• 分子量: 935.148
• InChiKey: VDJDQBAISVQCGD-UHFFFAOYSA-K

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

• 作为反应物：
  描述：

  α,α,α-三联吡啶 、 UI3(pyridine)4 以 吡啶 为溶剂， 以75%的产率得到[UI2(2,2':6',6''-terpyridine)2(pyridine)]I
  参考文献：
  名称：

  Selective Complexation of Uranium(III) over Cerium(III) and Neodymium(III) by 2,2′:6′,2′′-Terpyridine − X-ray Crystallographic Evidence for Uranium-to-Ligand π Back-Bonding

  摘要：

  DOI：

  10.1002/1099-0682(200206)2002:6<1439::aid-ejic1439>3.3.co;2-v
• 作为产物：
  描述：

  铀 在 I₂ 、 pyridine 作用下， 以 吡啶 为溶剂， 以80%的产率得到UI3(pyridine)4
  参考文献：
  名称：

  Clark, David L.; Sattelberger, Alfred P.; Bott, Simon G., Inorganic Chemistry, 1989, vol. 28, # 10, p. 1771 - 1773

  摘要：

  DOI：

文献信息

• UI₄(1,4-dioxane)₂, [UCl₄(1,4-dioxane)]₂, and UI₃(1,4-dioxane)_1.5: Stable and Versatile Starting Materials for Low- and High-Valent Uranium Chemistry
  作者：Marisa J. Monreal、Robert K. Thomson、Thibault Cantat、Nicholas E. Travia、Brian L. Scott、Jaqueline L. Kiplinger

  DOI：10.1021/om200093q

  日期：2011.4.11

  The uranium(III) and uranium(IV) iodide complexes UI3(1,4-dioxane)1.5 and UI4(1,4-dioxane)2 have been easily prepared in high yield by reacting uranium turnings with a 1,4-dioxane solution of iodine under mild conditions. The two complexes exhibit outstanding thermal stability and are excellent precursors to a variety of uranium(III), uranium(IV), and uranium(VI) alkoxide, amide, organometallic, and

  通过使铀车削与1,4-发生反应，可以轻松地高收率地制备碘化铀（III）和铀（IV）碘化物UI 3（1,4-二恶烷）1.5和UI 4（1,4-二恶烷）2碘在温和条件下的二恶烷溶液。两种配合物均具有出色的热稳定性，并且是多种铀（III），铀（IV）和铀（VI）醇盐，酰胺，有机金属和卤化物的出色前体，包括安全的室温合成[ UCl 4（1,4-二恶烷）] 2，它是UCl 4的有用合成替代物。
• The distinct affinity of cyclopentadienyl ligands towards trivalent uranium over lanthanide ions. Evidence for cooperative ligation and back-bonding in the actinide complexes
  作者：Thouraya Mehdoui、Jean-Claude Berthet、Pierre Thuéry、Michel Ephritikhine

  DOI：10.1039/b419088b

  日期：——

  predicted from a purely ionic bonding model. The distinct affinity of the cyclopentadienyl ligands towards Ln(III) and U(III) was revealed by two series of competing reactions: the ligand exchange reactions between [Ln(C5H4Bu t)(n')I(3-n')](Ln = La, Ce, Nd) and [U(C5H4Bu t)(n'')I(3-n'')] species (1 < or = n'+n'' =n < or = 5), and the addition of n mol equivalents of LiC(5)H(4)Bu(t)(1 [less-than-or-equal]n

  通过[M（C5H4Bu t）I的歧化反应在其中形成单和双（环戊二烯基）化合物[M（C5H4Bu t）I2]和[M（C5H4Bu t）2I]（M = U，La，Ce，Nd）。 3]和LnI3或[UI3（L）4]（L = thf或py）的摩尔比分别为1：2和2：1，同时处理[UI（3）（py）（4）]或LnI（3）（Ln = La，Ce，Nd）与1或2摩尔当量的LiC5H4Bu t在thf中分别提供[M（C5H4Bu t）I2]和[M（C5H4Bu t）2I2]-化合物。[M（C5H4Bu t）I2（py）3]（M = U，La，Ce，Nd），[Ce（C5H4Bu t）2（mu-I）} 2]和[M已确定（C5H4Bu t）2I（py）2]（M = U，Nd）；单（环戊二烯基）络合物中平均MC距离之间的差异对应于三价铀和镧系元素离子的离子半径变化，而UN和UI键长似乎小于根据纯离子键合模型预测
• Complexation Studies of Iodides of Trivalent Uranium and Lanthanides (Ce and Nd) with 2,2‘-Bipyridine in Anhydrous Pyridine Solutions
  作者：Christelle Rivière、Martine Nierlich、Michel Ephritikhine、Charles Madic

  DOI：10.1021/ic001411j

  日期：2001.8.1

  In anhydrous pyridine solution at 294 K, U(III) and Ce(III) triiodides were found to form both 1: 1 (ML) and 1:2 (ML2) complexes with bipyridine (bipy = L) while Nd(III) triodide formed only a 1:2 complex. The 1:3 (ML3) complexes were identified at low temperature with a large excess of L. Conductometry measurements showed for U(III) a large increase in the conductivity when increasing the molar ratio L:U. The complex UL2 was found to be a 1: 1 electrolyte and the species UI2+ was more reactive toward L in comparison with UI3. For Ce(IH) and Nd(IH), MI2+ and MI3 present about the same affinity for L. The stability of the complexes is limited, and U(III) possesses a slightly higher affinity for bipy than the trivalent lanthanides. Interestingly, a preference for the formation of ML2 Complex was shown for all the studied M(III) ions. The driving force for complex formation was always the enthalpy, and, surprisingly for a bidendate ligand (bipy), no favorable entropy contribution to complex formation was observed. The X-ray crystal structures of [CeI3(bipy)(2)(py)](4)(.)5py-bipy and UI3(bipy)(2)(py)(.)2py were determined. The structures of the molecules MI3(biPY)(2)(Py) are almost identical for U and Ce. The mean M(III)-N(bipy) bond distances are equal to 2.67(3) Angstrom for Ce(IH) and 2.65(4) Angstrom for U(III). The slightly smaller M(IH)-N(bipy) distances observed for U(III) would reflect a slightly more important covalent character of the U(III)-N(bipy) bonds, in agreement with the slightly better affinity of U(III) than Ce(III) or Nd(HI) toward bipy observed in solution and with the fact, that the enthalpy is the driving force for complex formation.