Coordination Assembly of Tetrahedral Ti4(embonate)6 Cages with Alkaline-Earth Metal Ions

Ruiyan Chen, Guanghui Chen, Yanping He* and Jian Zhang*

Chin. J. Struct. Chem. 2022, 41, 2201001-2201006  DOI: 10.14102/j.cnki.0254-5861.2021-0016

January 13, 2022

metal-organic cages, stepwise-assembly, alkaline-earth, structures, nonlinear optics


Recently, the tetrahedral Ti4L6 cage (L = embonate) has been applied as the starting material to realize coordination assembly with transition and rare-earth ornoble metal ions through a two-step reaction. In this work, by employing the Ti4L6 cages to assemble with alkaline-earth metal ions (such as Mg2+, Ca2+ and Ba2+) under different solvothermal conditions, a series of Ti4L6-based structures from simple cages to 1D chain, 2D layer and 3D framework have been synthesized and structurally characterized. In addition, thermal stability, phase purity, UV-vis absorption spectrum, the fluorescent and third-order nonlinear-optical properties are also investigated. 

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