Bis(2-methyl-1H-benzimidazol-3-ium) naphthalene-1,5-disulfonate
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چکیده
The asymmetric unit of the title compound, 2C(8)H(9)N(2) (+)·C(10)H(6)O(6)S(2) (2-), contains a 2-methyl-benzimidazolium cation and one half of a naphthalene-1,5-disulfonate anion. The formula unit is generated by an inversion center. In the crystal, N-H⋯O hydrogen bonds link the components into chains along [001]. In addition, weak C-H⋯O hydrogen bonds and weak C-H⋯π inter-actions are observed. The methyl H atoms were refined as disordered over two sets of sites with equal occupancy.
منابع مشابه
Bis(2-trifluoromethyl-1H-benzimidazol-3-ium) naphthalene-1,5-disulfonate
The asymmetric unit of the title compound, C(8)H(6)F(3)N(2) (+)·0.5C(10)H(6)O(6)S(2) (2-), consists of one 2-trifluoro-methyl-1H-benz-imidazol-3-ium cation and a half naphthalene-1,5-disulfate anion, which are linked by an N-H⋯O hydrogen bond. The anion sits across a centre of symmetry. The atoms of the benzimidazole ring are nearly coplanar (r.m.s. deviation of the fitted atoms = 0.0085 Å) and...
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The asymmetric unit of the title organic salt, 2C(4)H(7)N(2) (+)·C(10)H(6)O(6)S(2) (2-)·2H(2)O, consists of a 2-methyl-imidazolium cation, a half of a naphthalene-1,5-disulfonate anion, which lies about a center of symmetry, and a water mol-ecule. In the crystal, N-H⋯O and O-H⋯O hydrogen bonds link the cations, anions and water mol-ecules into the layers parallel to (111).
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The asymmetric unit of the title organic salt, 2C(3)H(5)N(2) (+)·C(10)H(6)O(6)S(2) (2-), consists of an imidazolium cation and half a naphthalene-1,5-disulfonate dianion, completed to the full dianion through an inversion center. N-H⋯S and N-H⋯O hydrogen bonds link cations and anions in the crystal, forming a chain propagating along [101].
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The title compound, [Ag(C(3)H(4)N(2))(2)](2)(C(10)H(6)O(6)S(2)), exists in the form of isolated cations and anions with electrostatic inter-action between them. The Ag atom is two-coordinated by the N atoms of two crystallographically independent imidazole mol-ecules. The naphthalene-1,5-disulfonate anion is located on a crystallographic center of symmetry. The cations and anions are connected ...
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The asymmetric unit of the title compound, 2C(6)H(14)N(+)·C(10)H(6)O(6)S(2) (2-), contains one 3-methyl-piperidinium cation and one-half of the centrosymmetric naphthalene-1,5-disulfonate anion. In the crystal, anions and cations are linked through N-H⋯O hydrogen bonds into layers parallel to (101).
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