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Self-assembly of ion-pair complexes

机译:离子对络合物的自组装

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摘要

Solid-state structures of cobalt(II) complexes of 4-methylumbelliferone-8-methyleneiminodiacetic acid (H(3)muia), also named Calcein Blue, are presented. Interestingly, ion-pair complexes with different solvation in cation, namely, [Co(H2O)(4)(CH3CN)(2)][Co(muia)(H2O)(2)](2) (1) and [Co(H2O)(6)][CO2(muia)(2)(H2O)(2)]center dot 2CH(3)CN (2), exhibit self-assembly in one-pot crystallization. By variation of the experimental conditions, ID coordination polymer [{Co(H2O)(4)}{Co-2(muia)(2)(H2O)(2)}]center dot 11H(2)O (3), which can be considered a pseudo-supramolecular isomer, is obtained. Hydrogen bonding between the cation and anion core gives an interesting hydrogen-bonded network structure. The condensation of ion-pair complexes to a 1D coordination polymer by the influence of solvents is demonstrated.
机译:固态结构的钴(II)配合物的4-甲基伞形酮-8-亚甲基亚氨基二乙酸(H(3)muia),也称为钙黄绿素。有趣的是,在阳离子中具有不同溶剂化的离子对络合物,即[Co(H2O)(4)(CH3CN)(2)] [Co(muia)(H2O)(2)](2)(1)和[Co (H2O)(6)] [CO2(muia)(2)(H2O)(2)]中心点2CH(3)CN(2),在一锅法结晶中表现出自组装。通过改变实验条件,ID配位聚合物[{Co(H2O)(4)} {Co-2(muia)(2)(H2O)(2)}]中心点11H(2)O(3)可以认为是准超分子异构体。阳离子和阴离子核之间的氢键形成了有趣的氢键网络结构。证明了离子对络合物在溶剂的影响下缩合为一维配位聚合物。

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