2-Amino-4-methylpyridinium 3-hydroxybenzoate
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چکیده
In the title salt, C6H9N2 (+)·C7H5O3 (-), the anion is essentially planar, with a dihedral angle of 2.72 (17)° between the benzene ring and the carboxyl-ate group. In the crystal, the anions are connected by O-H⋯O hydrogen bonds, forming a 41 helical chain along the c axis. The protonated N atom and the 2-amino group of the cation are hydrogen bonded to the carboxyl-ate O atoms of the anion via a pair of N-H⋯O hydrogen bonds with an R 2 (2)(8) ring motif. The ion pairs are further connected via another N-H⋯O hydrogen bond, resulting in a three-dimensional network.
منابع مشابه
2-Amino-4-methylpyridinium 2-hydroxybenzoate
The asymmetric unit of the title mol-ecular salt, C(6)H(9)N(2) (+)·C(7)H(5)O(3) (-), contains two cations and two anions. Both the salicylate anions contain an intra-molecular O-H⋯O hydrogen bond, which generates an S(6) ring. Both the 2-amino-4-methyl-pyridine mol-ecules are protonated at their pyridine N atoms. In the crystal, both cations form two N-H⋯O hydrogen bonds to their adjacent anion...
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In the title mol-ecular salt, C6H9N2 (+)·C7H5O3 (-), the dihedral angle between the benzene ring and the CO2 group in the anion is 6.1 (2)°. In the crystal, the cation and anion are linked by N-H⋯O and C-H⋯O hydrogen bonds, and the anions are connected by O-H⋯O hydrogen bonds, forming a three-dimensional network.
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In the crystal structure of the title salt, C(6)H(8)N(+)·C(7)H(5)O(3) (-), the anions and cations are linked by classical N-H⋯O hydrogen bonds. The anions are connected by pairs of C-H⋯O hydrogen bonds into inversion dimers and further linked by classical O-H⋯O hydrogen bonds. Weak π-π inter-actions [centroid-centroid distances = 3.740 (3) and 3.855 (3) Å] also occur. The dihedral angle between...
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In the title compound, C(6)H(9)N(2) (+)·C(7)H(5)O(3) (-), the protonated 2-amino-5-methyl-pyridinium cation and the 2-hy-droxy-benzoate anion are both essentially planar, with maximum deviations of 0.026 (2) and 0.034 (1) Å, respectively. The anion is stabilized by an intra-molecular O-H⋯O hydrogen bond, which forms an S(6) ring motif. In the solid state, the anions are linked to the cations vi...
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The asymmetric unit of the title compound, 2C(6)H(9)N(2) (+)·SO(4) (2-)·H(2)O, contains two isomeric protonated amino-methyl-pyridine cations, a sulfate anion and a solvent water mol-ecule. The cations are in the iminium tautomeric form. In the crystal structure, inter-molecular O-H⋯O, N-H⋯O and weak C-H⋯O hydrogen bonds link the components into a three-dimensional network. Additional stabiliza...
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