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A very short O—H···O hydrogen bond in the structure of clozapinium hydrogen bis­­(3,5-di­nitro­benzoate)

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Author(s)

Mohammed A. E. Shaibah, Channappa N. Kavitha, Hemmige S. Yathirajan, Sabine Foro, Christopher Glidewell

School/Research organisations

Abstract

In the title salt {systematic name: 4-[6-chloro-2,9-di­aza­tri­cyclo­[9.4.0.03,8]penta­deca-1(15),3(8),4,6,9,11,13-heptaen-10-yl]-1-methyl­piperazin-1-ium 3,5-di­nitro­benzoate–3,5-di­nitro­benzic acid (1/1)}, C18H20ClN4+·C7H3N2O6·C7H4N2O6, there is a very short, asymmetric, O—H···O hydrogen bond [O···O = 2.453 (3) Å] within the anion. The oxygen atoms of one of the nitro groups of the anion are disordered over two sets of sites having occupancies of 0.56 (3) and 0.44 (3). The fused tricyclic portion of the cation adopts a butterfly conformation, with a dihedral angle of 45.59 (6)° between the planes of the two aryl rings. In the crystal, a combination of O—H···O, N—H⋯O and C—H···O hydrogen bonds links the component species into a three-dimensional framework. Comparisons are made with the structures of some related compounds.
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Details

Original languageEnglish
Pages (from-to)1629-1633
Number of pages5
JournalActa Crystallographica Section E
Volume76
Issue number10
Early online date11 Sep 2020
DOIs
Publication statusPublished - Oct 2020

    Research areas

  • Clozapine, Crystal structure, Molecular conformation, Hydrogen bonding, Very short hydrogen bonds, Supramolecular assembly

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