Jump to main content
Jump to site search

Issue 41, 2017
Previous Article Next Article

Diverse coordination polymers from a new bent dipyridyl-type ligand 3,6-di(pyridin-4-yl)-9H-carbazole

Author affiliations

Abstract

Reactions of a new bent dipyridyl-type ligand, 3,6-di(pyridin-4-yl)-9H-carbazole (dpc), with different Zn(II) salts yielded four coordination polymers, namely [ZnCl2(dpc)] (1), [Zn4Cl8(dpc)4]·1.44H2O (2), [ZnF(dpc)2(H2O)]PF6·2H2O·2DMF (3) (DMF = N,N-dimethylformamide), and [Zn(dpc)2(SiF6)]·guest (4). By virtue of the bent coordination geometries of both the tetrahedral Zn(II) ion and the dipyridyl ligand, as well as the termination effect of the Cl counter-anion/ligand, 1 is a single-stranded helical chain. 2 is a supramolecular isomer of 1 containing the same bent ZnCl2(dpc) secondary building unit, but four of such units interconnect to form a molecular Möbius ring. More interestingly, the molecular Möbius rings in 2 mechanically interlock with their neighbours to form a curb chain. With weakly coordinating PF6 as a counter-anion, 3 is a cationic loop chain consisting of vertex-sharing rhombus molecular rings built from two metal ions and two organic ligands. 4 contains vertex-sharing loop chains similar to those in 3, but they are connected by SiF62− to form a neutral layered network possessing intralayer channels for gas adsorption.

Graphical abstract: Diverse coordination polymers from a new bent dipyridyl-type ligand 3,6-di(pyridin-4-yl)-9H-carbazole

Back to tab navigation

Supplementary files

Publication details

The article was received on 15 Aug 2017, accepted on 20 Sep 2017 and first published on 20 Sep 2017


Article type: Paper
DOI: 10.1039/C7CE01483J
Citation: CrystEngComm, 2017,19, 6164-6169
  •   Request permissions

    Diverse coordination polymers from a new bent dipyridyl-type ligand 3,6-di(pyridin-4-yl)-9H-carbazole

    X. Tian, H. Zhou, X. Fang, Z. Mo, Y. Xu, D. Zhou and J. Zhang, CrystEngComm, 2017, 19, 6164
    DOI: 10.1039/C7CE01483J

Search articles by author

Spotlight

Advertisements