3,4,5-Trihydroxy-N `-(1H-indol-2-yl-methylidene)benzohydrazide-1H-indole-2-carbaldehyde azine-methanol (2/1/2)

Khaledi, H. and Alhadi, A.A. and Ali, H.M. and Robinson, W.T. and Abdulla, M.A. (2010) 3,4,5-Trihydroxy-N `-(1H-indol-2-yl-methylidene)benzohydrazide-1H-indole-2-carbaldehyde azine-methanol (2/1/2). Acta Crystallographica Section E: Structure Reports Online, 66 (1). O105-U1967. ISSN 1600-5368

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The title compound, 2C(16)H(13)N(3)O(4)center dot C(18)H(14)N(4)center dot 2CH(4)O, was crystallized from the reaction between 3,4,5-trihydroxy-benzoylhydrazine and indole-2-carbaldehyde in a mixture of ethanol and methanol. The compound is a stoichiometric 2:1 cocrystal of the methanol-solvated reaction product, 3,4,5-trihydroxy-N'-(1H-indol-2-ylmethylidene) benzohydrazide and 1H-indole-2-carbaldehyde azine that arose unexpectedly during the synthesis. The former molecules are linked by O-H center dot center dot center dot O hydrogen bonds and also by pi-pi stacking interactions between benzoylhydrazide rings into a two-dimensional network. The methanol solvent molecules are hydrogen bonded to this network. The centrosymmetric azine molecules are not engaged in hydrogen bonding.

Item Type: Article
Subjects: Q Science > QC Physics
Depositing User: MR Faizal II H
Date Deposited: 28 Dec 2015 00:58
Last Modified: 29 Jan 2019 09:17
URI: http://eprints.um.edu.my/id/eprint/15298

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