N′-Hydroxypyridine-2-carboximidamide–succinic acid (2/1)
نویسنده
چکیده
The asymmetric unit of the title co-crystal, C6H7N3O·0.5C4H6O4, comprises one N'-hy-droxy-pyridine-2-carboximidamide mol-ecule and half a succinic acid mol-ecule (the whole molecule is generated by inversion symmetry). In the crystal, mol-ecules are assembled into columns along [110], via strong N-H⋯O, O-H⋯O and O-H⋯N hydrogen bonds.
منابع مشابه
N′-Hydroxypyridine-2-carboximidamide
The title mol-ecule, C6H7N3O, is almost planar (r.m.s. deviation = 0.0068 Å) and adopts an E conformation about the C=N double bond. In the crystal, mol-ecules are linked by pairs of strong N-H⋯N hydrogen bonds, forming inversion dimers with R 2 (2)(10) motifs. The dimers are further linked into C(3) chains through O-H⋯N hydrogen bonds.
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The crystal structures of N'-amino-pyridine-2-carboximidamide (C6H8N4), 1, and N'-{[1-(pyridin-2-yl)ethyl-idene]amino}-pyridine-2-carboximidamide (C13H13N5), 2, are described. The non-H atoms in compound 1 are nearly planar (r.m.s. deviation from planarity = 0.0108 Å), while 2 is twisted about the central N-N bond by 17.8 (2)°. Both mol-ecules are linked by inter-molecular N-H⋯N hydrogen-bondin...
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In the title salt, [ZnCl(C(6)H(7)N(3))(2)]Cl·2H(2)O, the pyridine-2-carboximidamide ligands chelate to the Zn(II) atom, which is also coordinated by a Cl atom. The Zn(II) atom shows a trigonal-bipyramidal coordination, with the pyridyl N atoms occupying the axial positions. The cation, anion and water mol-ecules are linked by N-H⋯Cl, N-H⋯O, O-H⋯Cl and O-H⋯O hydrogen bonds into a three-dimension...
متن کامل4-Chloro-6-methoxypyrimidin-2-amine–succinic acid (2/1)
The asymmetric unit of the title compound, 2C5H6ClN3O·C4H6O4, consists of one 4-chloro-6-meth-oxy-pyrimidin-2-amine mol-ecule and one half-mol-ecule of succinic acid which lies about an inversion centre. In the crystal, the acid and base mol-ecules are linked through N-H⋯O and O-H⋯N hydrogen bonds, forming a tape along [1-10] in which R2(2)(8) and R4(2)(8) hydrogen-bond motifs are observed. The...
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عنوان ژورنال:
دوره 69 شماره
صفحات -
تاریخ انتشار 2013