FeII and CoII Complexes with Click-Derived Tripodal Ligands: Influence of the Peripheral Substituents on Geometric Structures and Magnetic Properties
FeII and CoII Complexes with Click-Derived Tripodal Ligands: Influence of the Peripheral Substituents on Geometric Structures and Magnetic Properties
复制标题
FeII 和 CoII 配合物与点击衍生的三足配体：外围取代基对几何结构和磁性的影响
DOI：
10.1002/ejic.201501385
复制
发表时间：
2016
影响因子：
2.3
通讯作者：
B. Sarkar
中科院分区：
文献类型：
--
作者：
David Schweinfurth;S. Demeshko;Michael G. Sommer;S. Dechert;F. Meyer;B. Sarkar
通过操纵二级配位球来调节过渡金属中心的几何和电子性质是当代化学中的一个重要课题。在这方面的贡献，我们提出了单核铁（II）和钴（II）的配合物，包含“点击”衍生的三脚架配体与外周苯基取代基的骨干。这里提出的配合物与以前报道的配合物的比较表明，在配体骨架的取代基决定的第一个配位环境中的金属中心，因此，其几何结构。取代基对金属中心的自旋态也有决定性的影响。除了合成和表征，单晶X-射线衍射研究和磁力测量已进行调查这些配合物的性质。我们在这里展示了这些日益流行的三脚架配体中外围取代基的修饰如何影响所报道的金属配合物的几何和电子结构。这些结果可能会产生影响，在磁场相关的这种配合物，以及在相关的铁（II）和钴（II）配合物的自旋状态依赖的反应性的研究。
Tuning of the geometric and electronic properties of a transition metal center through manipulation of the secondary coordination sphere is an important topic in contemporary chemistry. In this contribution we present mononuclear iron(II) and cobalt(II) complexes that contain “click”-derived tripodal ligands with peripheral phenyl substituents on the backbone. A comparison of the complexes presented here with those of previously reported complexes shows that the substituents at the ligand backbone dictate the first coordination environment at the metal center, and hence, its geometric structure. The substituents also have a decisive influence on the spin state of the metal centers. Apart from synthesis and characterization, single-crystal X-ray diffraction studies and magnetometric measurements have been performed to investigate the properties of these complexes. We show here how the modification of the peripheral substituents in these increasingly popular tripodal ligands can influence the geometric and electronic structures of the reported metal complexes. These results are likely to have an impact in the field of magnetism related to such complexes, as well as in the study of spin state dependent reactivity in related iron(II) and cobalt(II) complexes.
影响因子：
4.6
作者：
Simmons JT;Allen JR;Morris DR;Clark RJ;Levenson CW;Davidson MW;Zhu L
通讯作者：
Zhu L
聚三唑作为催化中的铜(I)稳定配体
影响因子：
5.2
作者：
Chan, TR;Hilgraf, R;Fokin, VV
通讯作者：
Fokin, VV
影响因子：
16.6
作者：
Rostovtsev, VV;Green, LG;Sharpless, KB
通讯作者：
Sharpless, KB