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Synthesis of coordination polymers based on a 2,2′-dimethoxy-1,1′-biphenyl scaffold and Hg(II), Co(II), or Zn(II)

Abstract : In this study, 3,3'-di(pyridin-4-yl)-(2,2'-dimethoxy-[1,1'-biphenyl]) (L) was synthetized, structurally characterized by X-ray crystallography and combined with HgCl2, CoCl2, or ZnSiF6 for the formation of three coordination polymers ((HgCl2)2(L), (CoCl2)2(L)2.CHCl3, and Zn(SiF6)(L)2). The crystal structures of synthesis compound indicate the formation of different types of coordination modes, and each adopts a mono (1D) or tri-dimensional (3D) framework by C-H•••π interactions. In (CoCl2)2(L)2, the combination of Co(II) with L forms a metallomacrocycle, while in the other compounds two helical infinite networks were characterized. Compounds (HgCl2)2(L) made of two helical chains with opposite chirality (P and M), and Zn(SiF6)(L)2 exhibits helical tubular assemblies of the L attached to two Zn(SiF6) pillars. This work may pave the way to further study the chemical, structural and physicochemical properties of metal-organic coordination polymers.
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https://hal.archives-ouvertes.fr/hal-03359084
Contributor : Abdelaziz Jouaiti Connect in order to contact the contributor
Submitted on : Wednesday, September 29, 2021 - 9:19:27 PM
Last modification on : Tuesday, January 4, 2022 - 5:45:16 AM
Long-term archiving on: : Thursday, December 30, 2021 - 7:58:33 PM

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El Mostafa Ketatni, Nathalie Kyritsakas, Pierre Mobian, Abdelaziz Jouaiti. Synthesis of coordination polymers based on a 2,2′-dimethoxy-1,1′-biphenyl scaffold and Hg(II), Co(II), or Zn(II). Journal of Molecular Structure, Elsevier, 2022, 1248, pp.131466. ⟨10.1016/j.molstruc.2021.131466⟩. ⟨hal-03359084⟩

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