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2-Amino-4,6-dimethyl-pyrimidinium dihydrogenphosphate.

ABSTRACT: In the crystal structure of the title compound, C(6)H(10)N(3) (+)·H(2)PO(4) (-), the cations and anions are linked by inter-molecular O-H?O and N-H?O hydrogen bonds, forming a two-dimensional network. Additional stabilization is provided by weak inter-molecular C-H?O inter-actions. N-H?N inter-actions are also present.

SUBMITTER: Lin CH

PROVIDER: S-EPMC2971252 | biostudies-literature | 2009

REPOSITORIES: biostudies-literature

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2-Amino-4,6-dimethyl-pyrimidinium dihydrogenphosphate.

Lin Cui-Hua CH Liu Nai-Sheng NS Jian Fang-Fang FF

Acta crystallographica. Section E, Structure reports online 20091003 Pt 11

In the crystal structure of the title compound, C(6)H(10)N(3) (+)·H(2)PO(4) (-), the cations and anions are linked by inter-molecular O-H⋯O and N-H⋯O hydrogen bonds, forming a two-dimensional network. Additional stabilization is provided by weak inter-molecular C-H⋯O inter-actions. N-H⋯N inter-actions are also present. ...[more]

PMID: 21578254

Similar Datasets

2-Amino-4,6-dimethyl-pyrimidinium chloro-acetate.

Project description:There are two cations and two anions in the asymmetric unit of the title compound, C(6)H(10)N(3) (+)·C(2)H(2)ClO(2) (-). In the crystal, the components are linked by inter-molecular N-H?O and N-H?N hydrogen bonds to form a two-dimensional network. Additional stabilization is provided by weak inter-molecular C-H?O inter-actions.

| S-EPMC2971421 | biostudies-literature

2-Amino-4,6-dimethyl-pyrimidinium 3,5-dinitro-benzoate dihydrate.

Project description:In the title compound, C(6)H(10)N(3) (+)·C(7)H(3)N(2)O(6) (-)·2H(2)O, the amino-pyrimidine mol-ecule is protonated at one of the pyrimidine N atoms. The carboxyl-ate group of the 3,5-dinitro-benzoate anion inter-acts with the protonated pyrimidine N atom and the 2-amino group through a pair of N-H⋯O hydrogen bonds, forming an R(2) (2)(8) motif. Two inversion-related pyrimidine rings are linked via a pair of N-H⋯N hydrogen bonds, also forming an R(2) (2)(8) ring motif.

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2-Anilino-4,6-dimethyl-pyrimidinium chloro-acetate.

Project description:In the crystal structure of the title compound, C(12)H(14)N(3) (+)·C(2)H(2)ClO(2) (-), the chloro-acetate anion is linked to the N-(4,6-dimethyl-pyrimidin-2-yl)aniline cation by N-H?O hydrogen bonding. Within the cation, the pyrimidine ring is twisted with respect to the phenyl ring by a dihedral angle of 7.59?(4)°.

| S-EPMC2915362 | biostudies-literature

2-Amino-4,6-dimethyl-pyridinium benzoate.

Project description:In the title compound, C(7)H(11)N(2) (+)·C(7)H(5)O(2) (-), the 2-amino-4,6-dimethyl-pyridinium cation and the benzoate anion are linked by two N-H⋯O hydrogen bonds, forming an R(2) (2)(8) ring motif. The H atoms in both the methyl groups are rotationally disordered, with fixed site occupancies of 0.50. In the crystal structure, the mol-ecules are stabilized by inter-molecular N-H⋯O hydrogen bonds. A π-π inter-action, with a centroid-centroid distance of 3.661 (2) Å, is also observed.

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2-Amino-4,6-dimethyl-pyridinium chloride dihydrate.

Project description:In the title hydrated mol-ecular salt, C(7)H(11)N(2) (+)·Cl(-)·2H(2)O, the pyridine N atom of the 2-amino-4,6-dimethyl-pyridine mol-ecule is protonated. The cation is essentially planar, with a maximum deviation of 0.006?(2)?Å. In the crystal, the components are linked by N-H?O, N-H?Cl and O-H?Cl hydrogen bonds, thereby forming sheets lying parallel to (100). The crystal structure is further stabilized by aromatic ?-? stacking inter-actions between the pyridinium rings [centroid-centroid distance = 3.4789?(9)?Å].

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2-Amino-4,6-dimethyl-pyrimidin-1-ium chloride.

Project description:In the title compound, C6H10N3(+)·Cl(-), the cation is essentially planar with an r.m.s. deviations of the fitted atoms of 0.008 Å. In the crystal, adjacent ions are linked by weak N-H⋯Cl hydrogen bonds involving the pyrimidine and amine N atoms, forming a three-dimensional network. C-H⋯π inter-actions between the methyl and pyrimidine groups and π-π stacking [centroid-centroid distance = 3.474 (1) Å] between parallel pyrimidine ring systems are also observed.

| S-EPMC3588968 | biostudies-literature

Crystal structure of 2-amino-4,6-di-meth-oxy-pyrimidinium thio-phene-2-carboxyl-ate.

Project description:In the title salt, C6H10N3O2 (+)·C5H3O2S(-), the 2-amino-4,6-di-meth-oxy-pyrimidinium cation inter-acts with the carboxyl-ate group of the thio-phene-2-carboxyl-ate anion through a pair of N-H⋯O hydrogen bonds, forming an R 2 (2)(8) ring motif. These motifs are centrosymmetrically paired via N-H⋯O hydrogen bonds, forming a complementary DDAA array. The separate DDAA arrays are linked by π-π stacking inter-actions between the pyrimidine rings, as well as by a number of weak C-H⋯O and N-H⋯O inter-actions. In the anion, the dihedral angle between the ring plane and the CO2 group is 11.60 (3)°. In the cation, the C atoms of methoxy groups deviate from the ring plane by 0.433 (10) Å.

| S-EPMC4518905 | biostudies-literature

2-Amino-4,6-dimethyl-pyrimidine-anthranilic acid (1/1).

Project description:In the title 1:1 adduct, C(6)H(9)N(3)·C(7)H(7)NO(2), the crystal structure is stabilized by hydrogen bonds involving two different R(2) (2)(8) motifs. One of them is formed by the inter-action of 2-amino-4,6-dimethyl-pyrimidine (AMPY) with the carboxyl group of anthranilic acid (AA) through N-H?O and O-H?N hydrogen bonds, whereas the other is formed through the inter-action of two centrosymmetrically related pyrimidines involving N-H?N hydrogen bonds. These two combined motifs form a heterotetra-mer. The heterotetra-mer sheets are stacked into three-dimensional network.

| S-EPMC2983637 | biostudies-literature

4,6-Dimeth-oxy-2-(methyl-sulfan-yl)pyrimidinium chloride.

Project description:In the title compound, C(7)H(11)N(2)O(2)S(+)·Cl(-), the 4,6-dimeth-oxy-2-(methyl-sulfan-yl)pyrimidinium cation is essentially planar (r.m.s. deviation = 0.043 Å). In the crystal, the anions and cations are connected by inter-molecular N-H⋯Cl and C-H⋯Cl hydrogen bonds, forming a two-dimensional network parallel to (011). Adjacent networks are cross-linked via π-π inter-actions involving the pyrimidinium ring [centroid-centroid distance = 3.5501 (8) Å].

| S-EPMC2979986 | biostudies-literature

3-Amino-4,6-dimethyl-thieno[2,3-b]pyridine-2-carbonitrile.

Project description:The mol-ecule of the title compound, C(10)H(9)N(3)S, is almost planar, with a dihedral angle of 1.38 (4)° between the thio-phene and pyridine rings. In the crystal packing, mol-ecules are linked into layers parallel to the ab plane by inter-molecular N-H⋯N hydrogen bonds and by π⋯π stacking inter-actions involving adjacent pyridine and thio-phene rings with a centroid-centroid distance of 3.537 (3) Å.

| S-EPMC2971991 | biostudies-literature

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