Abstract
Abstract We have already reported that Li2([18]crown-6)3[Ni(dmit)2]2(H2O)4 crystals, which have an ion channel structure, can be reversibly converted to Ca([18]crown-6)[Ni(dmit)2]2(H2O)3 crystals by ion exchange, while maintaining their single crystal state. In this process, inorganic ions as well as crown ethers traverse in and out of the crystal. In this study, [18]crown-6-d4, a partially deuterated [18]crown-6, was used to investigate the behavior of inorganic ions and crown ethers during ion exchange, and found that Li+-[18]crown-6 supramolecules could act as ionophores in the crystal.
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