Acta Crystallographica Section E

Structure Reports Online

Volume 69, Part 1 (January 2013)

organic compounds

Acta Cryst. (2013). E69, o114    [ doi:10.1107/S1600536812050878 ]

1-(4-Nitro­phen­yl)-1H-imidazol-3-ium chloride

H. Ibrahim and M. D. Bala

Abstract: In the title salt, C9H8N3O2+·Cl-, the least-squares planes of the imidazolium and benzene rings are almost coplanar, making a dihedral angle of 4.59 (1)°. In the crystal, the chloride anion links the organic mol­ecules through N-H...Cl hydrogen bonds, forming chains that run diagonally across the bc face, which compliment strong C-H...O hydrogen bonds between neighbouring mol­ecules. These chains are connected to adjacent chains through two weak C-H...Cl inter­actions, resulting in hydrogen-bonded sheets extending along the b and c axes. The absolute structure of the title compound was determined using a Flack x parameter of 0.00 (6) and a Hooft y parameter of 0.03 (2).

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