Cooperative phenomenon of molecular assembly confined in coordination polymer and application to the innovative functional materials

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Zinc-based crystalline coordination polymer [Zn_4O(O_2CC_6H_4CO_2)_3]_n(IRMOF-1) has extremely homogeneous jangle-gym type micropore, and can then accommodate a lot of kinds of guest molecules. In this system, we first found that the molecular assembly confined in the micropore of IRMOF-1 exhibits thermal anomaly. In the present research project, we conducted the heat capacity, NMR, XRD, and electric conductivity measurements in order to reveal the mechanism of thermal anomalies. Furthermore, we also examined the possibility of the development of IRMOF-1 to the innovative functional materials such as solid-state ionics, temperature-responsible battery and so on.