4,4′-Methylenedianilinium bis(3-carboxy-4-hydroxybenzenesulfonate) monohydrate
نویسندگان
چکیده
Co-crystallization of 4,4'-methyl-enediphenyl-amine (MDA) and 5-sulfosalicylic acid (5-H(2)SSA) yields the title salt, C(13)H(16)N(2) (2+)·2C(7)H(5)O(6)S(-)·H(2)O. The asymmetric unit is comprised of one dication, two anions and one water mol-ecule. In the crystal structure, the components of the salt are linked by a combination of inter-molecular O-H⋯O, N-H⋯O and weak C-H⋯O hydrogen bonds into a three-dimensional framework. In addition, two weak π-π inter-actions [with centroid-centroid distances of 3.8734 (15) and 3.7465 (15) Å] and one C-H⋯π inter-action further stabilize the crystal structure.
منابع مشابه
Piperidinium 3-carboxy-4-hydroxybenzenesulfonate monohydrate
The asymmetric unit of the title compound, C(5)H(12)N(+)·C(7)H(5)O(6)S(-)·H(2)O, contains a piperidinium cation, one 3-carb-oxy-4-hydroxy-benzene-sulfonate anion and one water mol-ecule. Inter-molecular O-H⋯O, O-H⋯S and N-H⋯O hydrogen bonds generate a three-dimensional hydrogen-bonded framework.
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In the title salt, C(6)H(10)N(2) (2+)·2C(7)H(5)O(6)S(-), the negative charge of the anion resides on the sulfonate group. In the crystal, the cations and anions are -linked by N-H⋯O and O-H⋯O hydrogen bonds, forming a three-dimensional network. The complete dication is generated by crystallographic twofold symmetry.
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In the title compound, C(14)H(16)N(4) (2+)·2C(7)H(5)O(6)S(-)·2H(2)O, the 3,3'-(p-phenyl-enedimethyl-ene)diimidazol-1-ium dication lies on a crystallographic inversion center. In the crystal structure, dications, anions and solvent water mol-ecules are linked via O-H⋯O, N-H⋯O and C-H⋯O hydrogen bonds, and C-H⋯π inter-actions, forming a three-dimensional network containing R(2) (2)(4), R(2) (4)(1...
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In the structure of the title compound, C(8)H(12)NO(+)·C(7)H(5)O(6)S(-)·H(2)O, isolated from the reaction of 2-(4-amino-phen-yl)ethanol with 5-sulfosalicylic acid, the cations form head-to-tail hydrogen-bonded chains through C(1) (1)(9) anilinium N(+)-H⋯O(hydrox-yl) inter-actions while the anions also form parallel but C(1) (1)(8)-linked chains through carboxylic acid O-H⋯O(sulfonate) inter-act...
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