title: 2-Amino-5-methyl-pyridinium 4-nitro-benzoate.
abstract: In the title compound, C(6)H(9)N(2) (+)·C(7)H(4)NO(4) (-), the nitro group of the 4-nitro-benzoate anion is twisted by 6.2 (2)° from the attached ring. In the crystal structure, the cations and anions are linked via strong N-H⋯O and weak C-H⋯O hydrogen bonds, forming a three-dimensional network.
authors.affiliation: X-ray Crystallography Unit, School of Physics, Universiti Sains Malaysia, 11800 USM, Penang, Malaysia.
authors.forename: Madhukar
authors.initials: M
authors.lastname: Hemamalini
authors.forename: Hoong-Kun
authors.initials: HK
authors.lastname: Fun