Abstract
In the title salt, C6H6Cl2N+·C8H5O4 −, the carboxylic acid and carboxylate groups of the anion form dihedral angles of 20.79 (19) and 74.76 (14)°, respectively, with the plane of the benzene ring. In the crystal, molecules are assembled into a two-dimensional polymeric network parallel to (100) via N—H⋯O and O—H⋯O hydrogen bonds. In addition, within the layer, there are π–π stacking interactions between the benzene rings of the cation and the anion [centroid–centroid distance = 3.6794 (17) Å]. A weak C—H⋯O interaction is also observed.
Highlights
In the title salt, C6H6Cl2N C8H5O4, the carboxylic acid and carboxylate groups of the anion form dihedral angles of
Molecules are assembled into a two-dimensional polymeric network parallel to (100) via N—
Supporting information for this paper is available from the IUCr electronic archives (Reference: GK2633)
Summary
C6H6Cl2N C8H5O4 , the carboxylic acid and carboxylate groups of the anion form dihedral angles of. 20.79 (19) and 74.76 (14) , respectively, with the plane of the benzene ring. Molecules are assembled into a two-dimensional polymeric network parallel to (100) via N—. Within the layer, there are – stacking interactions between the benzene rings of the cation and the anion [centroid–centroid distance = 3.6794 (17) Å]. A weak C—H O interaction is observed. Symmetry codes: (i) x þ 12; y 12; z þ 12; (ii) x; y þ 2; z 12; (iii) x; y 1; z. Data collection: APEX2 (Bruker, 2007); cell refinement: SAINT (Bruker, 2007); data reduction: SAINT; program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL2014 (Sheldrick, 2015); molecular graphics: ORTEP-3 for Windows (Farrugia, 2012) and PLATON (Spek, 2009); software used to prepare material for publication: WinGX (Farrugia, 2012) and PLATON
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