3-Methoxyanilinium 3-carboxy-4-hydroxybenzenesulfonate dihydrate
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چکیده
منابع مشابه
4-(4-Pyridyl)pyridinium 3′,4,4′-tricarboxybiphenyl-3-carboxylate dihydrate
In the title compound, C(10)H(9)N(2) (+)·C(16)H(9)O(8) (-)·2H(2)O, both the cation and anion possess crystallographically imposed centres of symmetry, causing the nitro-gen-bound H atom in the 4-(4-pyrid-yl)pyridinium cation and the acidic H atom of the carboxyl-ate groups at the 3 and 3' positions in the anion to be disordered over two positions with equal occupancies. In the crystal packing, ...
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In the hydrated title salt, C(5)H(7)N(2) (+)·C(10)H(6)IO(4)S(-)·2H(2)O, the component species are linked by O-H⋯O and N-H⋯O hydrogen bonds, forming an infinite three-dimensional framework.
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Pyrazine and 5-sulfosalicylic acid crystallize from a methanol solution containing water as the title salt, C(4)H(6)N(2) (2+)·2C(7)H(5)O(6)S(-)·2H(2)O. The pyrazine-diium cation sits on an inversion center. The component ions and water mol-ecules are linked by inter-molecular O-H⋯O, N-H⋯O and C-H⋯O hydrogen bonds into layers running parallel to the (10) plane.
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In the crystal structure of the title compound, [Mg(H(2)O)(6)](C(7)H(5)O(6)S)(2)·2H(2)O, the octa-hedral complex cation lies on an inversion centre and is hydrogen bonded through the coordinated water molecules to the substituted benzene-sulfonate monoanions and the water mol-ecules of solvation. These inter-actions together with a carb-oxy-lic acid O-H⋯O(sulfonate) association give a three-dim...
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The asymmetric unit of the title compound, C(19)H(22)N(2)O(2)·2H(2)O, comprises a zwitterionic form of the Schiff base compound and two water mol-ecules of crystallization. Inter-molecular N-H⋯O, C-H⋯O and O-H⋯N hydrogen bonds involving one of the water mol-ecules in the asymmetric unit generate seven- and eight-membered rings, with R(2) (1)(7) and R(2) (2)(8) ring motifs, respectively. The dih...
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ژورنال
عنوان ژورنال: Acta Crystallographica Section E Structure Reports Online
سال: 2006
ISSN: 1600-5368
DOI: 10.1107/s1600536806017090