Browse
Submit Data
Databases
API
Help

Dataset Information

22 Views

0 Connections

0 Citations

0 Reanalyses

0 Downloads

Omics score: 0

2-Amino-pyridinium 4-hydroxy-benzoate.

ABSTRACT: In the title compound, C(5)H(7)N(2) (+)·C(7)H(5)O(3) (-), the carboxyl-ate mean plane of the 4-hydroxy-benzoate anion is twisted by 8.78?(5)° from the attached ring. The cations and anions are linked via O-H?O, N-H?O and C-H?O hydrogen bonds, forming a three-dimensional network. In addition, ?-? inter-actions involving the benzene and pyridinium rings, with centroid-centroid distances of 3.5500?(6) and 3.6594?(6)?Å, are observed.

SUBMITTER: Quah CK

PROVIDER: S-EPMC2959658 | biostudies-literature | 2008 Oct

REPOSITORIES: biostudies-literature

ACCESS DATA

Json Xml

Publications

2-Amino-pyridinium 4-hydroxy-benzoate.

Quah Ching Kheng CK Jebas Samuel Robinson SR Fun Hoong-Kun HK

Acta crystallographica. Section E, Structure reports online 20081031 Pt 11

In the title compound, C(5)H(7)N(2) (+)·C(7)H(5)O(3) (-), the carboxyl-ate mean plane of the 4-hydroxy-benzoate anion is twisted by 8.78 (5)° from the attached ring. The cations and anions are linked via O-H⋯O, N-H⋯O and C-H⋯O hydrogen bonds, forming a three-dimensional network. In addition, π-π inter-actions involving the benzene and pyridinium rings, with centroid-centroid distances of 3.5500 (6) and 3.6594 (6) Å, are observed. ...[more]

PMID: 21581084

Similar Datasets

2-Amino-5-chloro-pyridinium 4-hydroxy-benzoate.

Project description:In the title salt, C(5)H(6)ClN(2) (+)·C(7)H(5)O(3) (-), the carboxyl-ate mean plane of the 4-hydroxy-benzoate anion is twisted by 7.16?(9)° from the attached ring. In the crystal structure, the cations and anions are linked via O-H?O and N-H?O hydrogen bonds, as well as C-H?O contacts, forming a three-dimensional network. In addition, weak ?-? inter-actions involving the benzene and pyridinium rings, with centroid-to-centroid distances of 3.8941?(9)?Å, are observed.

| S-EPMC2983740 | biostudies-literature

4-(Dimethyl-amino)pyridinium 2-(4-hydroxy-phenyl-diazen-yl)benzoate.

Project description:In the title molecular salt, C(7)H(11)N(2) (+)·C(13)H(9)N(2)O(3) (-), the dihedral angle between the benzene rings in the anion is 35.14 (8)°. In the crystal, centrosymmetrically related anions associate via hydrox-yl-carboxyl-ate O-H⋯O hydrogen bonds, resulting in a 24-membered {⋯OC(3)N(2)C(4)OH}(2) synthon. The cations are associated with this dimeric unit via pyridinium-carboxyl-ate N-H⋯O hydrogen bonds. Weak C-H⋯O links further consolidate the packing, generating layers.

| S-EPMC2971943 | biostudies-literature

2-Amino-5-methyl-pyridinium 4-hydroxy-benzoate.

Project description:In the title salt, C(6)H(9)N(2) (+)·C(7)H(5)O(3) (-), the carboxyl-ate mean plane of the 4-hydroxy-benzoate anion is twisted by 13.07?(4)° from the attached ring. In the crystal structure, the ions are linked into a two-dimensional network by N-H?O, O-H?O and C-H?O hydrogen bonds. Within this network, the N-H?O hydrogen bonds generate R(2) (2)(8) ring motifs. In addition, ?-? inter-actions involving the pyridinium rings, with a centroid-centroid distance of 3.7599?(4)?Å, are observed.

| S-EPMC2983863 | biostudies-other

2,3-Diamino-pyridinium 3-amino-benzoate.

Project description:In the title salt, C(5)H(8)N(3) (+)·C(7)H(6)NO(2) (-), the pyridine N atom of the 2,3-diamino-pyridine mol-ecule is protonated. The proton-ated N atom and one of the two N atoms of the 2-amino groups are hydrogen bonded to the 3-amino-benzoate anion through a pair of N-H?O hydrogen bonds, forming an R(2) (2)(8) ring motif. The carboxyl-ate mean plane of the 3-amino-benzoate anion is twisted by 8.81?(7)° from the attached ring. The crystal structure is further stabilized by ?-? inter-actions [centroid-centroid distance 3.6827?(7)?Å].

| S-EPMC2977358 | 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.

| S-EPMC2983164 | biostudies-literature

2-Amino-5-chloro-pyridinium 4-amino-benzoate.

Project description:In the title molecular salt, C(5)H(6)ClN(2) (+)·C(7)H(6)NO(2) (-), the cations and anions are connected by cation-to-anion and anion-to-anion N-H?O hydrogen bonds into a three-dimensional network. The dihedral angle between the ring and the CO(2) group in the anion is 7.14?(7)°.

| S-EPMC3515278 | biostudies-literature

2-Amino-5-methyl-pyridinium 2-amino-benzoate.

Project description:In the 2-amino-benzoate anion of the title salt, C(6)H(9)N(2) (+)·C(7)H(6)NO(2) (-), an intra-molecular N-H?O hydrogen bond is observed. The dihedral angle between the ring and the CO(2) group is 8.41?(13)°. In the crystal, the protonated N atom and the 2-amino group of the cation are hydrogen bonded to the carboxyl-ate O atoms via a pair of N-H?O hydrogen bonds, forming an R(2) (2)(8) ring motif. The ion pairs are further connected via N-H?O hydrogen bonds, resulting in a donor-donor-acceptor-acceptor (DDAA) array of quadruple hydrogen bonds. The crystal structure also features a weak N-H?O hydrogen bond and a C-H?? inter-action, resulting in a three-dimensional network.

| S-EPMC3515287 | biostudies-literature

2-Amino-4-methyl-pyridinium 4-amino-benzoate.

Project description:In the structure of the title salt, C(6)H(9)N(2) (+)·C(7)H(6)NO(2) (-), the 4-amino-benzoate anions are linked to adjacent anions and 2-amino-4-methyl-pyridinium cations via N-H?O hydrogen bonds, forming a three-dimensional supra-molecular structure. The crystal structure also shows a weak C-H?O hydrogen bond between adjacent anions. Within the 4-amino-benzoate anion, the carboxyl-ate group is twisted by 14.0?(4)° with respect to the benz-ene ring.

| S-EPMC2961432 | biostudies-literature

2-Amino-5-bromo-pyridinium 3-amino-benzoate.

Project description:In the title salt, C(5)H(6)BrN(2) (+)·C(7)H(6)NO(2) (-), the pyridine N atom of the 2-amino-5-bromo-pyridine mol-ecule is protonated. In the crystal, the protonated N atom and the 2-amino group are hydrogen-bonded to the carboxyl-ate O atoms via a pair of N-H?O hydrogen bonds, forming an R(2) (2)(8) ring motif. Two inversion-related 3-amino-benzoate anions are linked through N-H?O hydrogen-bonds, forming an R(2) (2)(14) ring motif. The crystal structure is further stabilized by ??? inter-actions involving the benzene and pyridinium rings with a centroid-centroid distance of 3.7743?(15)?Å.

| S-EPMC2983620 | biostudies-literature

2-Amino-5-methyl-pyridinium 3-amino-benzoate.

Project description:In the title compound, C(6)H(9)N(2) (+)·C(7)H(6)NO(2) (-), the H atom of the N-H group and an H atom of the 2-amino group from the cation are involved in inter-molecular N-H⋯O hydrogen bonds with the O atoms of the carboxyl-ate group of the anion, forming an R(2) (2)(8) ring motif. These ring motifs are, in turn, connected by further N-H⋯O hydrogen bonds, forming a two-dimensional network. The crystal structure is further stabilized by π⋯π stacking inter-actions involving the benzene and pyridinium rings with a centroid-centroid distance of 3.7594 (8) Å.

| S-EPMC2983539 | biostudies-literature

OmicsDI is part of the ELIXIR infrastructure

OmicsDI is an Elixir interoperability service. Learn more ›

Tweets

OmicsDI Databases

PRIDE
PeptideAtlas
MassIVE
JPOST Repository
Physiome Model Repository

EGA
EVA
ENA
LINCS
PAXDB
Cell Collective

MetaboLights
Metabolomics Workbench
MetabolomeExpress
GNPS
BioModels
FAIRDOMHub

ArrayExpress
dbGaP
ExpressionAtlas
GEO
NODE

Information

Databases
Help
API
Contact us
Code on GitHub
Terms of use
Submit Data