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Water vapour induced reversible switching between a 1-D coordination polymer and a 0-D aqua complex

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posted on 2023-07-05, 08:31 authored by Min Deng, Soumya MukherjeeSoumya Mukherjee, Yu-Jie Liang, Xiao-Dan Fang, Ai-Xin Zhu, Michael ZaworotkoMichael Zaworotko

[Zn(3-tba)2], 1, a 1-D coordination polymer synthesised as 1 DMA, 1α, transformed to a nonporous form, 1β, upon activation. 1β underwent further transformation to the dimeric complex [Zn(3-tba)2(H2O)2], 2, above 40% RH. The reverse transformations, 2 to 1β and 1β to 1α, were accomplished by heating and exposure to DMA, respectively, and were single-crystal-to-single-crystal phase changes. Single crystal X-ray diffraction revealed that the second transformation resulted from Zn–carboxylate bond breakage and concomitant coordination of water molecules. Other solvent molecules did not induce a phase change

Funding

Crystal Engineering of Task-Specific Materials

Science Foundation Ireland

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Green Adsorbents for Clean Energy (GrACE)

Science Foundation Ireland

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Ionic Ultramicroporous Polymer Adsorbents for Energy-efficient Purification of Commodity Chemicals

Science Foundation Ireland

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History

Publication

Chemical Communications, 2022,58, pp. 8218-8221

Publisher

Royal Society of Chemistry

Other Funding information

This work was financially supported by the National Natural Science Foundation of China (No. 22161052) and Science Foundation Ireland (SFI Awards 13/RP/B2549 and 16/IA/4624). S. M. acknowledges an SFI-IRC Pathways award (21/PATH-S/9454) from Science Foundation Ireland

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  • Chemical Sciences

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