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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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Publication details

The article was received on 18 Dec 2018, accepted on 09 Jan 2019 and first published on 11 Jan 2019


Article type: Paper
DOI: 10.1039/C8CE02133C
Citation: CrystEngComm, 2019, Advance Article
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    Organic molecular tessellations and intertwined double helices assembled by halogen bonding

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

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