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首页> 外文期刊>Chemistry: A European journal >Intercalation of Coordinatively Unsaturated Fe-III Ion within Interpenetrated Metal-Organic Framework MOF-5
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Intercalation of Coordinatively Unsaturated Fe-III Ion within Interpenetrated Metal-Organic Framework MOF-5

机译：互穿金属有机骨架MOF-5中插入不饱和Fe-III离子

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摘要

Coordinatively unsaturated Fe-III metal sites were successfully incorporated into the iconic MOF-5 framework. This new structure, Fe-III-iMOF-5, is the first example of an interpenetrated MOF linked through intercalated metal ions. Structural characterization was performed with single-crystal and powder XRD, followed by extensive analysis by spectroscopic methods and solid-state NMR, which reveals the paramagnetic ion through its interaction with the framework. EPR and Mossbauer spectroscopy confirmed that the intercalated ions were indeed FeIII, whereas DFT calculations were employed to ascertain the unique pentacoordinate architecture around the FeIII ion. Interestingly, this is also the first crystallographic evidence of pentacoordinate ZnII within the MOF-5 SBU. This new MOF structure displays the potential for metal-site addition as a framework connector, thus creating further opportunity for the innovative development of new MOF materials.
机译：配位不饱和的Fe-III金属位点成功地并入了标志性的MOF-5框架。这种新的结构Fe-III-iMOF-5是通过嵌入金属离子连接的互穿MOF的第一个示例。用单晶和粉末XRD进行结构表征，然后通过光谱方法和固态NMR进行广泛分析，这通过顺磁性离子与骨架的相互作用揭示了顺磁性离子。 EPR和Mossbauer光谱证实，插入的离子确实是FeIII，而DFT计算用于确定FeIII离子周围独特的五配位构型。有趣的是，这也是MOF-5 SBU中五配位ZnII的第一个晶体学证据。这种新的MOF结构显示了将金属现场添加为框架连接器的潜力，从而为创新的MOF材料的创新开发创造了更多机会。

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