2-Aminopyrimidinium hydrogen sulfate
نویسندگان
چکیده
In the crystal structure of the title compound, C(4)H(6)N(3) (+)·HSO(4) (-), hydrogen sulfate anions self-assemble through O-H⋯O hydrogen bonds, forming chains along the b axis, while the cations form centrosymmetric pairs via N-H⋯N hydrogen bonds. The 2-amino-pyrimidinium pairs are linked to the sulfate anions via N-H⋯O hydrogen bonds, forming a two-dimensional network parallel to (10[Formula: see text]). In addition, weak inter-molecular C-H⋯O contacts generate a three-dimensional network.
منابع مشابه
2-Aminopyrimidinium hydrogen oxalate monohydrate
In the title hydrated salt, C(4)H(6)N(3) (+)·C(2)HO(4) (-)·H(2)O, inter-molecular N-H⋯O and O-H⋯O hydrogen bonding helps to stabilize the crystal structure.
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In the title compound, C(4)H(6)N(3) (+)·NO(3) (-), the cation is coplanar with the anion (r.m.s. deviation = 0.048 Å), and links to the anion via an N-H⋯O hydrogen bond, forming an ion pair. In the crystal, adjacent ion pairs are further linked by N-H⋯O hydrogen bonds into linear chains running along the b axis.
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In the title compound, C(4)H(6)N(3) (+)·C(6)HCl(2)O(4) (-)·H(2)O, anions, cations and water mol-ecules are linked by inter-molecular O-H⋯O, O-H⋯N and N-H⋯O hydrogen bonds into one-dimensional tapes along [111]. These tapes are further linked by weak Cl⋯Cl inter-actions [Cl⋯Cl = 3.394 (2) Å], forming sheets parallel to the (10) plane.
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In the crystal structure of the title compound, C(4)H(6)N(3) (+)·C(7)H(4)NO(5) (-)·H(2)O, inter-molecular N-H⋯N, N-H⋯O and O-H⋯O hydrogen bonds link the cations and anions into almost planar sheets parallel to (102). These hydrogen-bonded sheets are packed into the crystal with the formation of centrosymmetric voids of 68 Å(3), which are filled by the water mol-ecules, each of which is disorder...
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The geometric parameters of the title compound, C(4)H(6)N(3) (+)·C(6)H(2)N(3)O(7) (-), are in the usual ranges. While two nitro groups are almost coplanar with the aromatic picrate ring [dihedral angles 3.0 (2) and 4.4 (3)°], the third is significantly twisted out of this plane [dihedral angle 46.47 (8)°]. Anions and cations are connected via N-H⋯O hydrogen bonds. The mol-ecules crystallize in ...
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