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Issue 48, 2017
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Syntheses, structures, and magnetic properties of two unique Cu(II)-based coordination polymers involving a crystal-to-crystal structural transformation from a 1D chain to a 3D network

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Abstract

Two new coordination polymers, Cu(Hbsal)2(4,4′-bpy)2 (1) and Cu(bsal)(4,4′-bpy)·DMF (2), have been synthesized from 5-bromosalicylic acid (H2bsal) and the auxiliary ligand 4,4′-bipyridine (4,4′-bpy) through a slow diffusion method. Compound 1 is composed of parallel 1D linear chains, whereas compound 2 represents a non-interpenetrated 3D sod net which is constructed from left and right-handed helical chains alternately separated by 4,4′-bpy. The most interesting finding is that compound 1 can be irreversibly transformed into 2 in a crystal-to-crystal manner in the case that compound 1 is immersed in the DMF solvent. Particularly, the 1D-to-3D crystal-to-crystal structural transformation also incurs a drastic change in the magnetic properties of 1 and 2.

Graphical abstract: Syntheses, structures, and magnetic properties of two unique Cu(ii)-based coordination polymers involving a crystal-to-crystal structural transformation from a 1D chain to a 3D network

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Publication details

The article was received on 22 Sep 2017, accepted on 17 Nov 2017 and first published on 17 Nov 2017


Article type: Paper
DOI: 10.1039/C7DT03568C
Citation: Dalton Trans., 2017,46, 17025-17031
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    Syntheses, structures, and magnetic properties of two unique Cu(II)-based coordination polymers involving a crystal-to-crystal structural transformation from a 1D chain to a 3D network

    X. Yang, M. Liu, H. Zhu, C. Hang and Y. Zhao, Dalton Trans., 2017, 46, 17025
    DOI: 10.1039/C7DT03568C

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