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15 articles match your search "methylbenzenesulfonate"Results 1 to 10, sorted by relevance:
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In the structure of the title compound, which consists of a unique benzene-1,2-diaminium dication charge-balanced by a pair of crystallographically independent 4-methylbenzene-1-sulfonate anions, the cations and anions are interlinked by several N—H
O hydrogen bonds.
O hydrogen bonds.data reports
The title compound exists with one protonated imidazolium ring, one neutral imidazole ring, and a benzenesulfonate anion in the asymmetric unit. The imidazole rings are held together through hydrogen bonding via a protonated nitrogen on the ring.
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In the title compound, there are intermolecular S=ON(nitro) interactions, with an ON distance of 2.9840 (18) Å, between inversion-related molecules. The aromatic rings attached to the SO3 group are oriented in a gauche fashion around the ester S—O bond, with a C—S—O—C torsion angle of 84.68 (11)°.
N(nitro) interactions, with an ON distance of 2.9840 (18) Å, between inversion-related molecules. The aromatic rings attached to the SO3 group are oriented in a gauche fashion around the ester S—O bond, with a C—S—O—C torsion angle of 84.68 (11)°.
research papers
In a cadmium(II)–organic supramolecular coordination compound based on the multifunctional ligand 2-amino-5-sulfobenzoic acid, intermolecular hydrogen bonds link the mononuclear units into a novel threefold polycatenated two-dimensional (4,4) supramolecular layer, which is further extended into a three-dimensional supramolecular network through strong interlayer hydrogen bonds. The complex exhibits an irreversible dehydration–rehydration behaviour and a weak blue fluorescence emission in the solid state.
research papers
In the crystal structures of nine new salts of the antifolate drugs trimethoprim and pyrimethamine, the pyrimidine N1 atom is protonated. The cation interacts with the corresponding anion primarily via a pair of N—HO hydrogen bonds, generating the robust 
(8) supramolecular heterosynthon. The pyrimidinium cation also forms base pairs via a pair of N—HN hydrogen bonds, generating a ring motif [(8) supramolecular homosynthon]. Quadruple DDAA/DADA arrays of hydrogen bonds and noncovalent ClCl, ClO, C—Brπ, C—Clπ, C—Hπ and π–π interactions further stabilize the crystal structures.
O hydrogen bonds, generating the robust 
(8) supramolecular heterosynthon. The pyrimidinium cation also forms base pairs via a pair of N—HN hydrogen bonds, generating a ring motif [(8) supramolecular homosynthon]. Quadruple DDAA/DADA arrays of hydrogen bonds and noncovalent ClCl, ClO, C—Brπ, C—Clπ, C—Hπ and π–π interactions further stabilize the crystal structures.organic compounds
2-Ammonio-5-chloro-4-methylbenzenesulfonate, C7H8ClNO3S, (Ia), is an intermediate in the synthesis of lake red azo pigments. The present structure determination from single-crystal data confirms the results of a previous powder diffraction determination [Bekö, Thoms, Brüning, Alig, van de Streek, Lakatos, Glaubitz & Schmidt (2010). Z. Kristallogr. 225, 382-387]. The zwitterionic tautomeric form is confirmed. During a polymorph screening, two additional pseudopolymorphs were obtained, viz. 2-ammonio-5-chloro-4-methylbenzenesulfonate 1-methyl-2-pyrrolidone monosolvate, C7H8ClNO3S·C5H9NO, (Ib), and 2-ammonio-5-chloro-4-methylbenzenesulfonate dimethyl sulfoxide monosolvate, C7H8ClNO3S·C2H6OS, (Ic). The molecules of (Ib) have crystallographic m symmetry. The 1-methyl-2-pyrrolidone solvent molecule has an envelope conformation and is disordered around the mirror plane. The structure shows hydrogen-bonded ladders of molecules [graph-set notation C22(6)R22(12)] in the [010] direction. The benzene groups of adjacent ladders are also stacked in this direction. A different type of hydrogen-bonded ladder [graph-set notation C(6)R22(4)R44(12)] occurs in (Ic). In (Ia), (Ib) and (Ic), the molecules correspond to the zwitterionic tautomer. The structure of the cocrystal of 4-aminobenzenesulfonic acid with 1,4-bis(4,5-dihydroimidazol-2-yl)benzene [Shang, Ren, Wang, Lu & Yang (2009). Acta Cryst. E65, o2221-o2222] is corrected; it actually contains 4-aminobenzenesulfonate anions and 2,2'-(1,4-phenylene)di(dihydroimidazolium) dications, i.e. 2,2'-(1,4-phenylene)di(4,5-dihydroimidazolium) bis(4-aminobenzenesulfonate) dihydrate, C12H16N42+·2C6H6NO3S-·2H2O. Hence, all known structures of aminobenzenesulfonic acid complexes contain ionic or zwitterionic molecules; there is no known structure with a neutral aminobenzenesulfonic acid molecule.
organic compoundsOpen access
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In the crystal structure of the title compound, C16H19N2+·C8H10NO3S−·H2O, the cations and anions are linked by O—HO and N—HO hydrogen bonds, forming alternating layers parallel to the ac plane. An intramolecular N—HO hydrogen bond occurs in the anion. The crystal structure is further stabilized by π–π interactions, with centroid–centroid distances of 3.7240 (9) and 3.6803 (8) Å.
O and N—HO hydrogen bonds, forming alternating layers parallel to the ac plane. An intramolecular N—HO hydrogen bond occurs in the anion. The crystal structure is further stabilized by π–π interactions, with centroid–centroid distances of 3.7240 (9) and 3.6803 (8) Å.organic compoundsOpen access
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The asymmetric unit of the title salt, C16H19N2+. C6H4NO5S−, consists of two cations and two anions. The crystal structure is stabilized by π–π interactions between the pyridyl and phenyl rings of the cations, with a centroid–centroid distance of 3.7323 (6) Å.
organic compounds
The two title proton-transfer compounds, 5-methylimidazolium 3-carboxy-4-hydroxybenzenesulfonate, C4H7N2+·C7H5O6S−, (I), and bis(5-methylimidazolium) 3-carboxylato-4-hydroxybenzenesulfonate, 2C4H7N2+·C7H5O6S2−, (II), are each organized into a three-dimensional network by a combination of X—HO (X = O, N or C) hydrogen bonds, and π–π and C—Hπ interactions.
O (X = O, N or C) hydrogen bonds, and π–π and C—Hπ interactions.organic compoundsOpen access
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There are two unique cations and anions in the asymmetric unit of the title molecular salt, C10H15NH3+·C7H7O3S−. In the crystal, all three hydrogen-bond donors of the protonated amine group make hydrogen-bond interactions with sulfonate O-atom acceptors, linking the cations and anions into chains parallel to the a axis. C—Hπ interactions are also present.
π interactions are also present.
