Issue 3, 2022

Impact of flexible succinate connectors on the formation of tetrasulfonylcalix[4]arene based nano-sized polynuclear cages: structural diversity and induced chirality study

Abstract

The building of new supramolecular coordination containers, obtained through the linking of tetrasulfonylcalix[4]arene (3-4H) based transition metal tetra- or trinuclear clusters with succinic acid (suc), as a flexible aliphatic connector possessing high conformational mobility and rotational freedom, produced a variety of three different polynuclear species in the crystalline phase, which were characterized by single crystal and powder X-ray diffraction. In the case of CoII and NiII cations, the formation of unique chiral-induced isomorphous supramolecular architectures, generated by interconnection of dimeric M8-cages with the co-crystallized M(OH)2DMF4 neutral species via H-bonding, was observed. Moreover, it was found that, in contrast to what was observed with NiII cations, the use of cobalt(II) ions in the same multicomponent system, led to the formation of achiral M8-cages which were characterized by the presence of both left- and right-handed succinic acid moieties within the supramolecular entity structure. Finally, the coordination of ZnII cations with 3-4H and succinic acid produced the generation of dimeric M6-cages where two trinuclear [Zn3-3]2+ cationic clusters were bound by two succinic carboxylate units.

Graphical abstract: Impact of flexible succinate connectors on the formation of tetrasulfonylcalix[4]arene based nano-sized polynuclear cages: structural diversity and induced chirality study

Supplementary files

Article information

Article type
Paper
Submitted
04 Nov. 2021
Accepted
26 Nov. 2021
First published
26 Nov. 2021

CrystEngComm, 2022,24, 628-638

Impact of flexible succinate connectors on the formation of tetrasulfonylcalix[4]arene based nano-sized polynuclear cages: structural diversity and induced chirality study

M. V. Kniazeva, A. S. Ovsyannikov, A. I. Samigullina, D. R. Islamov, A. T. Gubaidullin, P. V. Dorovatovskii, V. A. Lazarenko, S. E. Solovieva, I. S. Antipin and S. Ferlay, CrystEngComm, 2022, 24, 628 DOI: 10.1039/D1CE01482J

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