[Re(OH2)(CO)3(2,2'-bipyridine)](1+) | 91515-13-8

• 英文名称: [Re(OH2)(CO)3(2,2'-bipyridine)](1+)
• 英文别名: [Re(bpy)(CO)3(H2O)](1+)；Re(H2O)(CO)3(2,2'-bipyridine)(1+)；Re(H2O)(CO)3(bipy)(1+)；[Re(OH2)(CO)3bipy](1+)
• CAS: 91515-13-8
• 化学式: C₁₃H₁₀N₂O₄Re
• 分子量: 444.44
• InChiKey: WLIWKTAINKJIKR-UHFFFAOYSA-N

计算性质

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

反应信息

• 作为产物：
  描述：

  (2,2'-bipyridine)tricarbonylrhenium trifluoromethanesulfonate 、 水 以 not given 为溶剂， 生成 [Re(OH2)(CO)3(2,2'-bipyridine)](1+)
  参考文献：
  名称：

  Improvement of the Dynamic Range of pH Sensing by Using a Luminescent Tricarbonylpolypyridylrhenium(I) Complex with Three Different Protonation Sites

  摘要：

  The complex [Re(4,4'-(CO2H)(2)-bpy)(CO)(3)(4,4'-bpy)](CF3SO3), 1 (4,4'-(CO2H)(2)-bpy = 4,4'-dicarboxyl-2,2'-bipyridine, 4,4'-bpy = 4,4'-bipyridine), synthesized and characterized by spectroscopic techniques, displays a strong dependence of its photophysical properties on pH. From both emission intensity and lifetime measurements at different pH values, three values for the protonation constants of the excited states have been determined (pK(a1)* = 1.8 +/- 0.1, pK(a2)* = 3.9 +/- 0.1, and pK(a3)* = 5.6 +/- 0.1). The unusual bell-shaped variations of these photophysical properties can be accounted for by the changes of energy level orderings induced by each protonation, as confirmed by time-dependent density functional theory (TD-DFT) calculations. Since the solubility, stability, and dynamic range of pH sensing by 1 have been improved with respect to similar tricarbonylpolypyridylrhenium(I) complexes, we conclude that 1 can be used as an efficient molecular switch of the on-off-on type.

  DOI：

  10.1021/ic802203d

文献信息

• Kalyanasundaram; Grätzel; Nazeeruddin, Inorganic Chemistry, 1992, vol. 31, # 25, p. 5243 - 5253
  作者：Kalyanasundaram、Grätzel、Nazeeruddin

  DOI：——

  日期：——