Probing Framework-Restricted Metal Axial Ligation and Spin State Patterns in a Post-Synthetically Reduced Iron-Porphyrin-Based Metal–Organic Framework,The Journal of Physical Chemistry Letters

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Probing Framework-Restricted Metal Axial Ligation and Spin State Patterns in a Post-Synthetically Reduced Iron-Porphyrin-Based Metal–Organic Framework
The Journal of Physical Chemistry Letters ( IF 4.8 ) Pub Date : 2016-03-10 00:00:00 , DOI: 10.1021/acs.jpclett.6b00302
Pavel Kucheryavy ₁ , Nicole Lahanas ₁ , Ever Velasco ₁ , Cheng-Jun Sun ₂ , Jenny V. Lockard ₁

Affiliation

An iron-porphyrin-based metal organic framework PCN-222(Fe) is investigated upon postsynthetic reduction with piperidine. Fe K-edge X-ray absorption and Kβ mainline emission spectroscopy measurements reveal the local coordination geometry, oxidation, and spin state changes experienced by the Fe sites upon reaction with this axially coordinating reducing agent. Analysis and fitting of these data confirm the binding pattern predicted by a space-filling model of the structurally constrained pore environments. These results are further supported by UV–vis diffuse reflectance, IR, and resonance Raman spectroscopy data.

中文翻译：

在合成后还原的铁-卟啉基金属-有机框架中探测框架限制的金属轴向连接和自旋态模式

铁-卟啉基金属有机骨架PCN-222（Fe）进行了哌啶后合成还原的研究。Fe K边缘X射线吸收和Kβ主线发射光谱测量结果显示，与该轴向配位还原剂反应后，Fe位置经历的局部配位几何形状，氧化和自旋态变化。这些数据的分析和拟合证实了结构受约束的孔隙环境的空间填充模型预测的结合模式。紫外可见漫反射，红外和共振拉曼光谱数据进一步支持了这些结果。

更新日期：2016-03-10

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