Insights into the crystallisation process from anhydrous, hydrated and solvated crystal forms of diatrizoic acid

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dc.contributor.authorFucke, Ken_AU
dc.contributor.authorMcIntyre, GJen_AU
dc.contributor.authorLemée-Cailleau, MHen_AU
dc.contributor.authorWilkinson, Cen_AU
dc.contributor.authorEdwards, AJen_AU
dc.contributor.authorHoward, JAKen_AU
dc.contributor.authorSteed, JWen_AU
dc.date.accessioned2021-12-17T04:38:21Zen_AU
dc.date.available2021-12-17T04:38:21Zen_AU
dc.date.issued2014-11-04en_AU
dc.date.statistics2021-12-09en_AU
dc.description.abstractDiatrizoic acid (DTA), a clinically used X-ray contrast agent, crystallises in two hydrated, three anhydrous and nine solvated solid forms, all of which have been characterised by X-ray crystallography. Single-crystal neutron structures of DTA dihydrate and monosodium DTA tetrahydrate have been determined. All of the solid-state structures have been analysed using partial atomic charges and hardness algorithm (PACHA) calculations. Even though in general all DTA crystal forms reveal similar intermolecular interactions, the overall crystal packing differs considerably from form to form. The water of the dihydrate is encapsulated between a pair of host molecules, which calculations reveal to be an extraordinarily stable motif. DTA presents functionalities that enable hydrogen and halogen bonding, and whilst an extended hydrogen-bonding network is realised in all crystal forms, halogen bonding is not present in the hydrated crystal forms. This is due to the formation of a hydrogen-bonding network based on individual enclosed water squares, which is not amenable to the concomitant formation of halogen bonds. The main interaction in the solvates involves the carboxylic acid, which corroborates the hypothesis that this strong interaction is the last one to be broken during the crystal desolvation and nucleation process.© 2015 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheimen_AU
dc.identifier.citationFucke, K., McIntyre, G. J., Lemée-Cailleau, M.-H., Wilkinson, C., Edwards, A. J., Howard, J. A. K., & Steed, J. W. (2014). Insights into the crystallisation process from anhydrous, hydrated and solvated crystal forms of diatrizoic acid. Chemistry - A European Journal, 21(3), 1036-1047. doi:10.1002/chem.201404693en_AU
dc.identifier.issn1521-3765en_AU
dc.identifier.issue3en_AU
dc.identifier.journaltitleChemistry - A European Journalen_AU
dc.identifier.pagination1036-1047en_AU
dc.identifier.urihttps://doi.org/10.1002/chem.201404693en_AU
dc.identifier.urihttps://apo.ansto.gov.au/dspace/handle/10238/12556en_AU
dc.identifier.volume21en_AU
dc.language.isoenen_AU
dc.publisherWileyen_AU
dc.subjectCrystallographyen_AU
dc.subjectNeutron diffractionen_AU
dc.subjectHalogen compoundsen_AU
dc.subjectMonocrystalsen_AU
dc.subjectCrystal latticesen_AU
dc.subjectCarboxylic acidsen_AU
dc.titleInsights into the crystallisation process from anhydrous, hydrated and solvated crystal forms of diatrizoic aciden_AU
dc.typeJournal Articleen_AU
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