نبذة مختصرة : International audience ; We describe here the relevant input of Mossbauer spectrometry for the investigation of porous coordination polymers, or metal organic frameworks (MOFs) containing iron cations. We specifically focus on selected examples taken from the long-lasting collaboration between the physicist Jean-Marc Greneche and French MOF chemists issued from the group of late Gerard Ferey. After a brief historical recall, we discuss the expected inputs of Mossbauer spectrometry for chemists working on the synthesis and characterization of new MOFs materials. Two examples are thoroughly described: a series of flexible MOFs presenting the MIL-53 topology, and MOFs based on porphyrin ligands. Through these examples, we will show how the combination of characterization tools (notably X-ray diffraction and Mossbauer spectrometry) is mandatory to achieve a thorough and accurate description of these complex porous hybrid materials and their properties.
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