4-Aminopyridinium-3-sulfonate monohydrate
نویسندگان
چکیده
The reaction of 4-amino-pyridine and oleum yielded the title hydrated zwitterion, C(5)H(6)N(2)O(3)S·H(2)O. There are two formula units in the asymmetric unit. The H and non-H atoms of both zwitterions lie on a mirror plane except for one sulfonate O atom. The water mol-ecules are also situated on a mirror plane. In the crystal, the zwitterions and water mol-ecules are linked by O-H⋯O and N-H⋯O hydrogen bonds, generating a three-dimensional network.
منابع مشابه
4-Aminopyridinium 4-aminobenzenesulfonate 4-ammoniobenzenesulfonate monohydrate
The asymmetric unit of the title compound, C(5)H(7)N(2) (+)·C(6)H(6)NO(3)S(-)·C(6)H(7)NO(3)S·H(2)O, contains one 4-ammonio-benzene-sulfonate zwitterion ((+)H(3)NC(6)H(4)SO(3) (-)), one 4-amino-benzene-sulfonate anion (H(2)NC(6)H(4)SO(3) (-)), one 4-amino-pyridinium cation and two half-mol-ecules of water, each lying on a twofold rotation axis. The various ions and molecules in the structure are...
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In the crystal of the title compound, 2C(5)H(7)N(2) (+)·C(4)N(4)S(6) (2-)·H(2)O, inter-molecular N-H⋯S and N-H⋯N hydrogen bonds link four cations and two dianions into a centrosymmetric cluster. The crystal packing is further consolidated by π-π inter-actions between the five- and six-membered rings of neighbouring clusters [centroid-centroid distances = 3.692 (3), 3.718 (3), 3.660 (3) and 3.69...
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عنوان ژورنال:
دوره 67 شماره
صفحات -
تاریخ انتشار 2011