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Issue 18, 2014

A C-shaped p-sulfonatocalix[4]arene-based supermolecule exhibiting mutual-inclusion and bilayer insertion of dipicolinate

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Abstract

A p-sulfonatocalix[4]arene-based supermolecule, [Ce3(PDA)4(C4AS)2·13H2O](NO3)·25H2O 1 was prepared by slow evaporation of a solution of Ce(NO3)3·6H2O, 2,6-pyridinedicarboxylic acid (PDA) and pentasodium p-sulfonatocalix[4]arene salt. The molecular and crystal structure of 1 was determined by single crystal X-ray structural analysis and characterized by thermal methods (TG, DSC and hot-stage microscopy) and Hirshfeld analysis. The supermolecule is C-shaped with alternating calixarene and PDA ligands linked to three Ce(III) cations. The supermolecules exhibit mutual-inclusion via its PDA ligands with the remaining PDA ligands inserted into the calixarene bilayer. The bilayer consists of an “up–down” arrangement of calixarenes, with the inserted PDA ligands effecting a zig-zag propagation of the calixarenes within the bilayer.

Graphical abstract: A C-shaped p-sulfonatocalix[4]arene-based supermolecule exhibiting mutual-inclusion and bilayer insertion of dipicolinate

Supplementary files

Article information


Submitted
19 Nov 2013
Accepted
18 Dec 2013
First published
19 Dec 2013

This article is Open Access

CrystEngComm, 2014,16, 3749-3757
Article type
Paper
Author version available

A C-shaped p-sulfonatocalix[4]arene-based supermolecule exhibiting mutual-inclusion and bilayer insertion of dipicolinate

A. Husain and C. L. Oliver, CrystEngComm, 2014, 16, 3749 DOI: 10.1039/C3CE42358A

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