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Issue 7, 2019
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Organic molecular tessellations and intertwined double helices assembled by halogen bonding

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Abstract

Isomeric 2,5- and 2,6-bis(iodoethynyl)pyrazine have been employed to assemble single-component polygonal molecular tessellations and intertwined double helices via intermolecular ethynyl C—I⋯N halogen bonding. X-ray crystallography elucidated the 3D supramolecular architectures of five ditopic heteroaromatic polymorphs obtainable via crystallization in various organic solvents.

Graphical abstract: Organic molecular tessellations and intertwined double helices assembled by halogen bonding

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Article information


Submitted
18 Dec 2018
Accepted
09 Jan 2019
First published
11 Jan 2019

CrystEngComm, 2019,21, 1130-1136
Article type
Paper

Organic molecular tessellations and intertwined double helices assembled by halogen bonding

C. Ng, H. Chow and T. C. W. Mak, CrystEngComm, 2019, 21, 1130 DOI: 10.1039/C8CE02133C

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