Issue 28, 2018

2D networks of metallo-capsules and other coordination polymers from a hexapodal ligand

Abstract

The hexapodal ligand hexakis(isonicotinoyl)cyclotricatechylene (L1) belonging to the cyclotriveratrylene family of host-molecules has been synthesised and used in the assembly of a series of coordination polymer materials with Re(I), Co(II), Cu(II), Ni(II) and Ag(I) salts. Single crystal structures of the coordination polymers [Re3(L1)2Br3(CO)3] 1, and an isomorphic [M3L2] series where M = Co, Cu or Ni, reveal 2D framework structures with a simplified topology of 36 or hxl. These are composed of M6(L1)2 metallo-cages linked together in a pair-wise fashion through each metal centre. Compound 1 is a rare example of a rhenium coordination polymer and was investigated for guest uptake from solution, complexing I2. The mixed-ligand species [Cu2(L1)(CF3CO2)3(isonicotinate)] forms a (3,4,5)-connected 2D coordination polymer, while [Ag2(L1)(DMF)2]·2BF4·2(H2O)·6(DMF) features a 2D network of (3,6)-connectivity and with kagome dual (kgd) topology.

Graphical abstract: 2D networks of metallo-capsules and other coordination polymers from a hexapodal ligand

Supplementary files

Article information

Article type
Paper
Submitted
16 Mot 2018
Accepted
12 Jan 2018
First published
26 Jan 2018

CrystEngComm, 2018,20, 3960-3970

2D networks of metallo-capsules and other coordination polymers from a hexapodal ligand

F. L. Thorp-Greenwood, G. T. Berry, S. S. Boyadjieva, S. Oldknow and M. J. Hardie, CrystEngComm, 2018, 20, 3960 DOI: 10.1039/C8CE00806J

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