Hydrazine-1,2-diium bis(3-carboxy-4-hydroxybenzenesulfonate) tetrahydrate
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چکیده
Reaction of 5-sulfosalicylic acid with hydrazine hydrate at pH = 1 results in the formation of the title hydrated salt, 0.5N(2)H(6) (2+)·C(7)H(5)O(6)S(-)·2H(2)O. The hydrazinium dications lie on centres of inversion. They are located between 3-carb-oxy-4-hy-droxy-benzene-sulfonate anions, forming inter-molecular N-H⋯O hydrogen bonds with sulfonate ions and water mol-ecules of crystallisation. Further intra- and inter-molecular O-H⋯O hydrogen bonds are observed in the crystal structure.
منابع مشابه
Piperazine-1,4-diium bis(2-carboxy-1H-pyrazole-4-carboxylate) tetrahydrate
The asymmetric unit of the title compound, C(4)H(12)N(2) (2+)·2C(5)H(3)N(2)O(4) (-)·4H(2)O, comprises one-half of a piperazine-1,4-diium cation, which lies on an inversion centre, a 2-carb-oxy-1H-pyrazole-4-carboxyl-ate anion and two water mol-ecules. An extensive network of inter-molecular O-H⋯O, N-H⋯O, N-H⋯N and C-H⋯O hydrogen bonds between the cations, anions and water mol-ecules leads to a ...
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متن کاملPiperazine-1,4-diium bis(pyridine-2,6-dicarboxylato-κ3 O 2,N,O 6)cobaltate(II) tetrahydrate
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