Two pseudopolymorphic hydrates of brucine: brucine-water (1/4) and brucine-water(1/5.25) at 130 K
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The structures of two pseudopolymorphic hydrates of brucine, C23H26N2O4紈2O, (I), and C23H26N2O4絮25H2O, (II), have been determined at 130 K. In both (I) and (II) (which has two independent brucine molecules together with 10.5 water molecules of solvation in the asymmetric unit), the brucine molecules form head-to-tail sheet substructures, which associate with the water molecules in the interstitial cavities through hydrogen-bonding associations and, together with water-water associations, give three-dimensional framework structures.
Acta Crystallographica. Section C, Crystal Structure Communications
© 2006 International Union of Crystallography. Published by Blackwell Publishing Ltd. This is the author-manuscript version of this paper. Reproduced in accordance with the copyright policy of the publisher. Please refer to the journal's website for access to the definitive, published version.