{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"omics_type":["Unknown"],"volume":["65(Pt 7)"],"submitter":["Fun HK"],"pubmed_abstract":["In the title compound, C(5)H(8)N(3) (+)·C(7)H(5)O(3) (-), the pyridine N atom is protonated. In the 4-hydroxy-benzoate anion, the carboxyl-ate group is twisted slightly out of the benzene ring plane by an angle of 3.77 (5)°. The protonated N atom and one of the two amino groups are hydrogen-bonded to the 4-hydroxy-benzoate anion through a pair of N-H⋯O hydrogen bonds, forming an R(2) (2)(8) ring motif. The crystal structure is further stabilized by O-H⋯O and C-H⋯O hydrogen bonds and π-π inter-actions involving the pyridinium rings [centroid-centroid distance of 3.6277 (5) Å], leading to the formation of a three-dimensional network."],"journal":["Acta crystallographica. Section E, Structure reports online"],"pagination":["o1496-7"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC2969455"],"repository":["biostudies-literature"],"pubmed_title":["2,3-Diamino-pyridinium 4-hydroxy-benzoate."],"pmcid":["PMC2969455"],"pubmed_authors":["Fun HK","Balasubramani K"],"additional_accession":[]},"is_claimable":false,"name":"2,3-Diamino-pyridinium 4-hydroxy-benzoate.","description":"In the title compound, C(5)H(8)N(3) (+)·C(7)H(5)O(3) (-), the pyridine N atom is protonated. In the 4-hydroxy-benzoate anion, the carboxyl-ate group is twisted slightly out of the benzene ring plane by an angle of 3.77 (5)°. The protonated N atom and one of the two amino groups are hydrogen-bonded to the 4-hydroxy-benzoate anion through a pair of N-H⋯O hydrogen bonds, forming an R(2) (2)(8) ring motif. The crystal structure is further stabilized by O-H⋯O and C-H⋯O hydrogen bonds and π-π inter-actions involving the pyridinium rings [centroid-centroid distance of 3.6277 (5) Å], leading to the formation of a three-dimensional network.","dates":{"release":"2009-01-01T00:00:00Z","publication":"2009 Jun","modification":"2025-04-05T15:54:08.289Z","creation":"2019-03-27T00:00:10Z"},"accession":"S-EPMC2969455","cross_references":{"pubmed":["21582796"],"doi":["10.1107/S1600536809020832"]}}