In the title compound, C(3)H(5)N(2) (+)·C(7)H(4)NO(4) (-), the benzene ring forms a dihedral angle of 40.60 (5)° with the imidizolium ring. The nitro-benzoate anion is approximately planar: the benzene ring makes dihedral angles of 3.8 (3) and 3.2 (1)° with the nitro and carboxyl-ate groups, respectively. In the crystal structure, the cations and anions are linked by inter-molecular N-H⋯O hydrogen bonds, forming a zigzag chain along the b axis.
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Source |
|---|---|
| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2977721 | PMC |
| http://dx.doi.org/10.1107/S1600536809013142 | DOI Listing |
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