2-(2H-Tetrazol-5-yl)pyridinium chloride
نویسندگان
چکیده
In the title compound, C(6)H(6)N(5) (+)·Cl(-), the pyridinium and tetra-zole rings are essentially coplanar. The pyridine N atoms are protonated. In the crystal structure, mol-ecules are connected via N-H⋯Cl, C-H⋯Cl, C-H⋯N and N-H⋯N hydrogen bonds into layers that are parallel to the (001) plane. There are two crystallographically independent mol-ecules in the asymmetric unit which are located on mirror planes.
منابع مشابه
3-(1H-Tetrazol-5-yl)pyridinium 3-(2H-tetrazol-5-yl)pyridinium dinitrate
In the title compound, C(6)H(6)N(5) (+)·NO(3) (-), there are two different isomers of the cation within the asymmetric unit. The dihedral angles between the the pyridinium and tetra-zole rings are 2.54 (15) and 13.36 (18)° in the two cations. In the crystal, the packing of ions is stabilized by N-H⋯O and N-H⋯(O,O) hydrogen bonds, forming clusters composed of four ion pairs.
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In the cation of the title compound, C(6)H(6)N(5) (+)·NO(3) (-), the dihedral angle between the pyridinium and tetra-zole rings is 8.2 (2)°. The constituent ions of the compound are linked via N-H⋯O hydrogen bonds, forming helical chains running along the b axis. C-H⋯N and C-H⋯O hydrogen bonds are also observed.
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In the cation of the title compound, C(6)H(6)N(5) (+)·ClO(4) (-), the pyridinium and tetra-zole rings form a dihedral angle of 23.6 (1)°. In the crystal structure, weak inter-molecular N-H⋯O and N-H⋯N hydrogen bonds link cations and anions into chains extending along the b axis.
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In the cation of the title compound, C(6)H(6)N(5) (+)·CF(3)COO(-), the pyridine and tetra-zole rings are nearly coplanar, making a dihedral angle of 2.49 (19)°. In the crystal, the cations and anions are connected by inter-molecular N-H⋯O and N-H⋯(F,O) hydrogen bonds, forming centrosymmetric [2 + 2] aggregates, which stack along the a axis.
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In the cation of the title compound, C(6)H(6)N(5) (+)·ClO(4) (-)·H(2)O, the pyridinium and tetra-zole rings are essentially coplanar, making a dihedral angle of 1.2 (2)°. In the crystal, inter-molecular N-H⋯O and O-H⋯O hydrogen bonds link the cations, anions and water mol-ecules into a ribbon-like structure along the c axis. Adjacent ribbons are linked via π-π stacking inter-actions between the...
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