Interdependence of structure and physical properties in co-crystals of azopyridines

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dc.contributor.author Aakeröy, Christer B.
dc.contributor.author Panikkattu, Sheelu
dc.contributor.author DeHaven, Baillie
dc.contributor.author Desper, John
dc.date.accessioned 2013-07-16T18:55:17Z
dc.date.available 2013-07-16T18:55:17Z
dc.date.issued 2012-09-19
dc.identifier.uri http://hdl.handle.net/2097/15978
dc.description.abstract To establish how intermolecular interactions influence the supramolecular assembly of azopyridines, a total of five co-crystals of 3,3′ and 4,4′-azopyridine; 3,3′-azpy:succinic acid (3,3′-azpy:SA), 3,3′-azpy:adipic acid (3,3′-azpy:AA), 3,3′-azpy:suberic acid (3,3′-azpy:SuA), 3,3′-azpy:sebacic acid (3.3′-azpy:SeA), and 4,4′-azpy:suberic acid (4,4′-azpy:SuA) were synthesized. In all co-crystals of 3,3′-azopyridine, there are infinite 1-D zig-zag tapes composed of alternating 3,3′-azpy and diacids held together by COOHN(py) hydrogen bonds. Neighbouring chains are arranged into 2-D sheets via secondary inter-chain C–H•••O interactions between azopyridine ring hydrogen atoms and carbonyl oxygen atoms in an in-phase manner. However, in the co-crystal of 4,4′-azopyridine:suberic acid, the adjacent chains form 2-D sheets in an out-of-phase motif via two types of inter-chain C–H•••O interactions, i.e. between azopyridine ring hydrogen atoms and carbonyl oxygen as well as hydroxyl oxygen atoms. The structural consistency within the 3,3′-azopyridine co-crystals has made it possible to establish a correlation between melting point of the homomeric molecular solids and co-crystals of the corresponding carboxylic acids. en_US
dc.language.iso en_US en_US
dc.relation.uri http://doi.org/10.1039/c2ce26153g en_US
dc.rights This Item is protected by copyright and/or related rights. You are free to use this Item in any way that is permitted by the copyright and related rights legislation that applies to your use. For other uses you need to obtain permission from the rights-holder(s). en_US
dc.rights.uri http://rightsstatements.org/vocab/InC/1.0/
dc.subject Azopyridines en_US
dc.subject Co-crystals en_US
dc.title Interdependence of structure and physical properties in co-crystals of azopyridines en_US
dc.type Article (author version) en_US
dc.date.published 2013 en_US
dc.citation.doi 10.1039/c2ce26153g en_US
dc.citation.epage 470 en_US
dc.citation.issue 3 en_US
dc.citation.jtitle CrystEngComm en_US
dc.citation.spage 463 en_US
dc.citation.volume 15 en_US
dc.contributor.authoreid aakeroy en_US
dc.contributor.authoreid desperj en_US


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This Item is protected by copyright and/or related rights. You are free to use this Item in any way that is permitted by the copyright and related rights legislation that applies to your use. For other uses you need to obtain permission from the rights-holder(s). Except where otherwise noted, the use of this item is bound by the following: This Item is protected by copyright and/or related rights. You are free to use this Item in any way that is permitted by the copyright and related rights legislation that applies to your use. For other uses you need to obtain permission from the rights-holder(s).

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