crystal structure of 3-methylpyridinium picrate: a triclinic polymorph

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ID: 208153
2015
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Abstract
The title molecular salt, C6H8N+·C6H2N3O7− (systematic name: 3-methylpyridinium 2,4,6-trinitrophenolate), crystallizes in the triclinic space group P-1. The crystal structure of the monoclinic polymorph (space group P21/n) has been reported [Stilinovic & Kaitner (2011). Cryst. Growth Des. 11, 4110–4119]. In the crystal, the anion and cation are linked via bifurcated N—H...(O,O) hydrogen bonds, enclosing an R12(6) graph-set motif. These units are linked via C—H...O hydrogen bonds, forming a three-dimensional framework. Within the framework there are π–π interactions present, involving inversion-related picrate anions and inversion-related pyridinium cations, with inter-centroid distances of 3.7389 (14) and 3.560 (2) Å, respectively.
Reference Key
gomathi2015actacrystal Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Jeganathan Gomathi, Doraisamyraja Kalaivani
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Journal Disability and rehabilitation
Year 2015
DOI
10.1107/S2056989015017090
URL
http://scripts.iucr.org/cgi-bin/paper?S2056989015017090
Keywords
chemistry crystal structure

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