| 117251-64-6

• 分子结构分类: 有机化合物 - 有机杂环化合物 - 吡咯
• CAS: 117251-64-6
• 化学式: C₇₂H₆₆Fe₂N₁₂
• 分子量: 1211.09
• InChiKey: YSLSPZUDBIJLSB-UHFFFAOYSA-N

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：

  、 以 氘代乙腈 为溶剂， 生成 [Fe2(1,2-bis(4-(4'-methyl-2,2'-bipyridinyl))ethane)3](4+)
  参考文献：
  名称：

  Temperature Dependence of the Outer-Sphere Reorganization Energy

  摘要：

  The temperature dependence of the intervalence charge transfer transition (IT) has been studied for a mixed-valence dinuclear iron complex. The two "halves" of this complex consist of trisbipyridineiron moieties that are triply linked with saturated alkyl chains. Because the complex is symmetric, the energy of the IT band is a direct measure of the reorganization energy for electron transfer between the two irons. Moreover, for the specific complex under investigation here, the inner-sphere reorganization energy is essentially zero because of an exact cancellation of sigma- and pi-bonding changes upon changing the oxidation state of each iron. As a consequence, the energy of the IT transition is a direct measure of the outer-sphere (solvent) reorganization energy. The energy of the IT band has been investigated over the temperature range -28 degrees C to 30 degrees C. The derivative of the outer-sphere reorganization energy with respect to temperature found from this study was -3.2 +/- 0.4 cm(-1)K(-1). Theoretical calculations based on the Marcus two spheres in a dielectric continuum model and a molecular based model developed by Matyushov were also carried out for comparison with the experimental results. The continuum model predicts a positive slope for the derivative while the Matyushov model gives a negative slope that differs from that of the experimental data by a factor of similar to 2 in magnitude.

  DOI：

  10.1021/jp991755z
• 作为产物：
  描述：

  [Fe2(1,2-bis(4-(4'-methyl-2,2'-bipyridinyl))ethane)3](4+) 在 nitrosonium tetrafluoroborate 作用下， 以 氘代乙腈 为溶剂， 生成
  参考文献：
  名称：

  Temperature Dependence of the Outer-Sphere Reorganization Energy

  摘要：

  The temperature dependence of the intervalence charge transfer transition (IT) has been studied for a mixed-valence dinuclear iron complex. The two "halves" of this complex consist of trisbipyridineiron moieties that are triply linked with saturated alkyl chains. Because the complex is symmetric, the energy of the IT band is a direct measure of the reorganization energy for electron transfer between the two irons. Moreover, for the specific complex under investigation here, the inner-sphere reorganization energy is essentially zero because of an exact cancellation of sigma- and pi-bonding changes upon changing the oxidation state of each iron. As a consequence, the energy of the IT transition is a direct measure of the outer-sphere (solvent) reorganization energy. The energy of the IT band has been investigated over the temperature range -28 degrees C to 30 degrees C. The derivative of the outer-sphere reorganization energy with respect to temperature found from this study was -3.2 +/- 0.4 cm(-1)K(-1). Theoretical calculations based on the Marcus two spheres in a dielectric continuum model and a molecular based model developed by Matyushov were also carried out for comparison with the experimental results. The continuum model predicts a positive slope for the derivative while the Matyushov model gives a negative slope that differs from that of the experimental data by a factor of similar to 2 in magnitude.

  DOI：

  10.1021/jp991755z

文献信息

• Donor/Acceptor Coupling in Mixed-Valent Dinuclear Iron Polypyridyl Complexes:  Experimental and Theoretical Considerations
  作者：C. Michael Elliott、Daniel L. Derr、Suzanne Ferrere、Marshall D. Newton、Y.-P. Liu

  DOI：10.1021/ja954297q

  日期：1996.6.5

  Coupling between donor and acceptor orbitals for optically-induced intervalence electron transfer processes has been considered for a series of rigid mixed-valent dinuclear tris(2,2'-bipyridine)iron complexes, Each of the four complexes considered contains three saturated bridges which link the two tris(2,2'-bipyridine)iron moieties. The bridging linkages are -CH2CH2- -CH2CH2CH2-, -CH2OCH2-, and -CH2SCH2-. Despite differences in the composition of the bridges X-ray diffraction and/or molecular dynamics calculations show that the metal-metal separation and relative bipyridine orientations among all four complexes are nearly identical. Consequently, the only factor which differs significantly among these complexes and which might affect the donor-acceptor coupling in the mixed-valent forms is their connectivity. These complexes thus provide a unique opportunity to focus on potential superexchange coupling in the absence of ambiguities introduced by other structural and energetic considerations. Theories developed by Mulliken and Hush have been applied to intervalence charge-transfer transitions in order to obtain values of the coupling matrix elements, H-12. Configuration interaction calculations were also carried out for each of the [Fe-2(L)(3)](5+) complexes to provide theoretical values of H-12 and the effective donor/acceptor separation distances (r(DA)) Experimental and theoretical results for H-12 are in excellent agreement and indicate that the bridging moieties are either unimportant in the donor/acceptor coupling or, in one case, actually reduce the coupling compared to the ''bridge-free'' system. The calculated r(DA) values are within 0.01 Angstrom of the Fe-Fe distances.