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Issue 20, 2018
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Flexible and rigid dicarboxylic acids enable the assembly of achiral and chiral 3D Co(II) metal–organic frameworks

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Abstract

Two novel 3D Co(II) metal–organic frameworks induced by flexible and rigid dicarboxylic acids [Co33-OH)(1,4-ttb)3(sa)]·3H2O (1) and Co23-OH)(1,4-ttb)(4,4′-bpdc) (2) (1,4-ttb = 1-(tetrazo-5-yl)-4-(triazo-1-yl)benzene, sa = succinic acid and 4,4′-bpdc = biphenyl-4,4′-dicarboxylic acid) have been successfully synthesized and characterized via X-ray single-crystal diffraction, powder X-ray diffraction (PXRD), FT-IR spectroscopy and TG analyses. In the structures of the compounds 1 and 2, the main ligand 1,4-ttb coordinates with Co(II) ions to form 3D host frameworks with different cavities, and the auxiliary ligands sa and 4,4′-bpdc fill the 3D cavities. More strikingly, compound 2 is a chiral 3D metal–organic framework, in which 4,4′-bpdc acts as a rigid achiral ligand. Additionally, the electrochemical properties and magnetic properties of compounds 1 and 2 have been investigated.

Graphical abstract: Flexible and rigid dicarboxylic acids enable the assembly of achiral and chiral 3D Co(ii) metal–organic frameworks

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Publication details

The article was received on 13 Feb 2018, accepted on 25 Mar 2018 and first published on 29 Mar 2018


Article type: Paper
DOI: 10.1039/C8DT00600H
Citation: Dalton Trans., 2018,47, 6917-6923
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    Flexible and rigid dicarboxylic acids enable the assembly of achiral and chiral 3D Co(II) metal–organic frameworks

    C. Gong, H. Guo, X. Zeng, H. Xu, Q. Zeng, J. Zhang and J. Xie, Dalton Trans., 2018, 47, 6917
    DOI: 10.1039/C8DT00600H

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